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PATENTED 099352 Tools Information FAQs Application Note


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HT1660 Controller
PATENTED
099352
Tools Information FAQs Application Note
Features
Operating voltage: 2.7V~5.2V Built-in 32kHz oscillator External 32.768kHz crystal oscillator 32kHz Six-wire interface (four data wires) Eight kinds time base/WDT selection Time base overflow output address auto increment Built-in buzzer driver (2kHz/4kHz) Power down command reduces power consumption Software configuration feature Data mode Command mode instructions Three data accessing modes Provides VLCD adjust operating voltage
quency source input
Standby current: <1mA <2mA Internal resistor type: bias bias, 1/32 duty,
1/16 duty
Three selectable frame frequencies: 64Hz,
89Hz 170Hz
Max. patterns, segments commons segments commons selectable com-
max. VLCD voltage
Provides three kinds bias current programming Control TN-type STN-type LCDs 208-pin package
mand method
Built-in bit-map display RAM: 3072 bits bits) Built-in internal resistor type bias generator
Applications
Leisure products Games Personal digital assistant Cellular phone Global positioning system Consumer electronics
General Description
HT1660 peripheral device specially designed type used expand display capability. max. display segment device 3072 patterns segments commons). also supports four data bits interface, buzzer sound, Watchdog Timer time base timer functions. HT1660 memory mapping multi-function controller. Since HT1660 control TN-type (Twisted Nematic) STN-type (Super Twisted Nematic) LCDs. software configuration feature HT1660 make suitable multiple applications including modules display subsystems. Only lines (CS, DB0~DB3) required interface between host controller HT1660.
Rev. 1.60
February 2009
PATENTED
Block Diagram
HT1660
Assignment
Rev. 1.60
February 2009
PATENTED
Assignment
HT1660
substrate should connected layout artwork.
Chip size: (mm)2
Rev. 1.60
February 2009
PATENTED
Coordinates
-1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1672.500 -1208.250 -1113.250 -1018.250 -895.500 2305.000 1901.700 1806.700 1711.700 1616.700 1521.700 1426.700 1331.700 1236.700 1141.700 1046.700 951.700 856.700 761.700 666.700 571.700 476.700 381.700 286.700 191.700 96.700 1.700 -93.300 -188.300 -283.300 -378.300 -473.300 -568.300 -663.300 -758.300 -853.300 -948.300 -1043.300 -1138.300 -1233.300 -1328.300 -1423.300 -1518.300 -1613.300 -1708.300 -1803.300 -1898.300 -1993.300 -2088.300 -2183.300 -2278.300 -2395.000 -2395.000 -2395.000 -2299.900 -789.900 -694.900 -589.300 -494.300 -388.700 -293.700 -190.500 -95.000 5.300 111.400 185.650 308.850 414.450 509.450 630.250 743.850 857.450 971.050 1084.650 1201.050 1323.050 1419.550 1666.450 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 -2299.900 -2299.900 -2299.900 -2299.900 -2299.900 -2299.900 -2299.900 -2299.900 -2299.900 -2368.850 -2268.850 -2309.400 -2309.400 -2309.400 -2285.250 -2285.250 -2285.250 -2285.250 -2285.250 -2368.850 -2395.000 -2395.000 -2395.000 -2159.100 -2064.100 -1969.100 -1874.100 -1779.100 -1684.100 -1589.100 -1494.100 -1399.100 -1304.100 -1209.100 -1114.100 -1019.100 -924.100 -829.100 -734.100 -639.100 -544.100 -449.100 -354.100 -259.100 -164.100 -69.100 25.900 120.900 215.900 310.900 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1672.500 1484.800 1389.800 1294.800 1199.800 1104.800 1009.800 914.800 819.800 724.800 629.800 534.800 439.800 344.800 249.800 154.800 59.800 -35.200 -130.200 -225.200 -320.200 -415.200 -510.200 -605.200 -700.200 -795.200 -890.200 -985.200 -1080.200 -1175.200 -1270.200 -1365.200 -1460.200
HT1660
Unit: 405.900 500.900 595.900 690.900 785.900 880.900 975.900 1070.900 1165.900 1260.900 1355.900 1450.900 1545.900 1640.900 1735.900 1830.900 2305.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000 2395.000
Rev. 1.60
February 2009
PATENTED
Description
1~33 87~149 34~49 71~86 Name SEG63~SEG95 SEG0~SEG62 COM31~COM16 COM0~COM15 segment outputs Description
HT1660
common outputs, under command mode, COM16~COM31 will share SEG96~SEG111. COM31/SEG96, COM30/SEG97, COM29/ SEG98., COM18/SEG109, COM17/SEG110, COM16/SEG111 Chip selection input with pull-high resistor. When logic high, data command read from write HT1660 disabled. serial interface circuit also reset. logic level input pad, data command transmission between host controller HT1660 enabled. READ clock input with pull-high resistor. Data HT1660 clocked falling edge signal. clocked data will appear data line. host controller next rising edge latch clocked data. WRITE clock input with pull-high resistor. Data DATA line latched into HT1660 rising edge signal. Parallel data input/output with pull-high resistor Negative power supply logic circuit, ground OSCI OSCO pads connected 32.768kHz crystal order generate system clock. system clock comes from external clock source, external clock source should connected OSCI pad. on-chip oscillator selected, OSCI OSCO pads left open. Positive power supply logic circuit Power supply driver circuit Time base Watchdog Timer overflow flag, NMOS open drain output. 2kHz 4kHz frequency output pair (tristate output buffer) Vary bias current usually connected
53~56
DB0~DB3
OSCI OSCO
65~69
VLCD T1~T4, T000
Absolute Maximum Ratings
Supply Voltage .VSS-0.3V VSS+5.5V Input Voltage.VSS-0.3V VDD+0.3V Storage Temperature .-50°C 125°C Operating Temperature.-25°C 75°C
Note: These stress ratings only. Stresses exceeding range specified under Maximum cause substantial damage device. Functional operation this device other conditions beyond those listed specification implied prolonged exposure extreme conditions affect device reliability.
Rev. 1.60
February 2009
PATENTED
D.C. Characteristics
Symbol IDD1 IDD2 IDD11 IDD22 ISTB IOL1 IOH1 IOL2 IOH2 IOL3 IOH3 IOL4 IOH4 Parameter Operating Voltage Operating Current Test Conditions Conditions load/LCD On-chip oscillator load/LCD Crystal oscillator load/LCD On-chip oscillator load/LCD Crystal oscillator load, Power down mode Min. -0.9 -0.9 Typ. -1.8 -1.8 -180 -140
HT1660
Ta=25°C Max. Unit
Operating Current
Operating Current
Operating Current
Standby Current
Input Voltage
DB0~DB3,
Input High Voltage
DB0~DB3, VOL=0.3V VOL=0.5V VOH=2.7V VOH=4.5V VOL=0.3V VOL=0.5V VOH=2.7V VOH=4.5V VOL=0.3V VOL=0.5V VOH=2.7V VOH=4.5V VOL=0.3V VOL=0.5V VOH=2.7V VOH=4.5V DB0~DB3,
Sink Current
Source Current
DB0~DB3 Sink Current
DB0~DB3 Source Current
Common Sink Current
Common Source Current
Segment Sink Current
Segment Source Current
Pull-high Resistor
Rev. 1.60
February 2009
PATENTED
A.C. Characteristics
Symbol fSYS1 fSYS2 fSYS3 fLCD1 fLCD2 fLCD3 tCOM fCLK1 Parameter System Clock System Clock System Clock Frame Frequency Frame Frequency Frame Frequency Common Period 4-Bit Data Clock Pin) fCLK2 4-Bit Data Clock Pin) 4-Bit Interface Reset Pulse Width (Figure tCLK Read mode Input Pulse Width (Figure Write mode Read mode Rise/Fall Time Serial Data Clock Width (Figure Setup Time Clock Width (Figure Hold Time Clock Width (Figure Setup Time Clock Width (Figure Setup Time Clock Width (Figure Tone Frequency Tone Frequency 3.34 1.67 6.67 Write mode Duty cycle Test Conditions Duty cycle Conditions On-chip oscillator Crystal oscillator External clock source Min. Typ. 32768 32768 Max.
HT1660
Ta=25°C Unit
On-chip oscillator 61/117 Crystal oscillator External clock source Number 3.34
89/170 111/213 n/fLCD
tsu1
ftone2k ftone4k
On-chip oscillator On-chip oscillator
Rev. 1.60
February 2009
PATENTED
HT1660
Figure
Figure
Figure
Functional Description
System Oscillator HT1660 system clock used generate time base/Watchdog Timer (WDT) clock frequency, driving clock, tone frequency. clock source from on-chip oscillator (32kHz), crystal oscillator (32.768kHz), external 32kHz clock setting. configuration system oscillator shown. After command executed, system clock will stop bias generator will turn off. That command available only on-chip oscillator crystal oscillator. Once system clock stops, display will become blank, time base/WDT loses function well. command used turn bias generator off. After bias generator switches issuing command, using command reduces power consumption, thus serving system power down command. external clock source chosen system clock, using command neither turn oscillator carry power down mode. crystal oscillator option applied connect external frequency source 32kHz OSCI pin. this case, system fails enter power down mode, similar case external 32kHz clock source operation. initial system power HT1660 state.
illa illa
System Oscillator Configuration
Rev. 1.60
February 2009
PATENTED
Display Memory Structure
HT1660
static display organized into bits stores display data. contents directly mapped contents driver. Data accessed READ, WRITE READ-MODIFY-WRITE commands. following mapping from patterns. COM0 COM1 COM2 COM3 COM4 COM5 COM6 COM7 COM8 COM9 COM10 COM11 COM12 COM13 COM14 COM15 COM16 COM17 COM18 COM19 COM20 COM21 COM22 COM23 COM24 COM25 COM26 COM27 COM28 COM29 COM30 COM31 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 SEG0 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 SEG1 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit03 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 SEG2 SEG3 SEG92 2DFH 2E7H 26H- 2DEH 2E6H 25H- 2DDH 2E5H 24H- 2DCH 2E4H 23H- 2DBH 2E3H 22H- 2DAH 2E2H 2D9H 2E1H 2D8H 2E0H 2E8H Bit0 Bit1 Bit2 Bit3 2E9H Bit0 Bit1 Bit2 Bit3 2EAH Bit0 Bit1 Bit2 Bit3 2EBH Bit0 Bit1 Bit2 Bit3 2ECH Bit0 Bit1 Bit2 Bit3 2EDH Bit0 Bit1 Bit2 Bit3 2EEH Bit0 Bit1 Bit2 Bit3 2EFH Bit0 Bit1 Bit2 Bit3 SEG93 2F0H Bit0 Bit1 Bit2 Bit3 2F1H Bit0 Bit1 Bit2 Bit3 2F2H Bit0 Bit1 Bit2 Bit3 2F3H Bit0 Bit1 Bit2 Bit3 2F4H Bit0 Bit1 Bit2 Bit3 2F5H Bit0 Bit1 Bit2 Bit3 2F6H Bit0 Bit1 Bit2 Bit3 2F7H Bit0 Bit1 Bit2 Bit3 SEG94 2F8H Bit0 Bit1 Bit2 Bit3 2F9H Bit0 Bit1 Bit2 Bit3 2FAH Bit0 Bit1 Bit2 Bit3 2FBH Bit0 Bit1 Bit2 Bit3 2FCH Bit0 Bit1 Bit2 Bit3 2FDH Bit0 Bit1 Bit2 Bit3 2FEH Bit0 Bit1 Bit2 Bit3 2FFH Bit0 Bit1 Bit2 Bit3 SEG95
Selection Mode Mapping Table
Rev. 1.60
February 2009
PATENTED
COM0 COM1 COM2 COM3 Bit0 Bit1 Bit2 Bit3 COM4 COM5 COM6 COM7 Bit0 Bit1 Bit2 Bit3 COM8 COM9 COM10 COM11 Bit0 Bit1 Bit2 Bit3 COM12 COM13 COM14 COM15 Bit0 Bit1 Bit2 Bit3 SEG0 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 SEG1 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3s Bit0 Bit1 Bit2 Bit3 SEG2 SEG3 1AFH 1B3H 12H- 1AEH 1B2H 11H- 1ADH 1B1H 10H- 1ACH 1B0H 1B4H Bit0 Bit1 Bit2 Bit3 1B5H Bit0 Bit1 Bit2 Bit3 1B6H Bit0 Bit1 Bit2 Bit3 1B7H Bit0 Bit1 Bit2 Bit3 1B8H Bit0 Bit1 Bit2 Bit3 1B9H Bit0 Bit1 Bit2 Bit3 1BAH Bit0 Bit1 Bit2 Bit3 1BBH Bit0 Bit1 Bit2 Bit3
HT1660
1BCH Bit0 Bit1 Bit2 Bit3 1BDH Bit0 Bit1 Bit2 Bit3 1BEH Bit0 Bit1 Bit2 Bit3 1BFH Bit0 Bit1 Bit2 Bit3
SEG108 SEG109 SEG110 SEG111
Selection Mode Mapping Table Name Mode Command Code X100-0001-1111-XXXX Function Change segment from common from
default value after power reset mode, command will change mode mode. Frame Frequency HT1660 provides three kinds frame frequency option command code; 64Hz, 89Hz 170Hz respectively. FRAME 64Hz provides 64Hz frame frequency. FRAME 89Hz provides 89Hz frame frequency. FRAME 170Hz provides 170Hz frame frequency. Name FRAME 170Hz FRAME 89Hz FRAME 64Hz Command Code X100-0001-1000-XXXX X100-0001-1101-XXXX X100-0001-1110-XXXX Function Select 170Hz frame frequency Select 89Hz frame frequency Select 64Hz frame frequency
Frame Frequency Selection Command Code Time Base Watchdog Timer time base generator share same counter which divided 256. clock programmed 1Hz, 2Hz, 128Hz output. TIMER DIS/EN/CLR, DIS/EN/CLR EN/DIS independent from each other. Once time-out occurs, will remain logic level until command issued. external clock selected system frequency source, command turns invalid power down mode fails carried until external clock source removed.
Rev. 1.60
February 2009
PATENTED
Buzzer Tone Output simple tone generator implemented HT1660. tone generator output pair differential driving signals which used generate single tone. executing TONE TONE commands there tone frequency outputs selectable that turn tone output. TONE TONE commands tone frequency 4kHz 2kHz, respectively. tone output turned invoking TONE command. tone outputs, namely pair differential driving outputs used drive piezo buzzer. Once system disabled tone output inhibited, outputs will remain level. Command Format HT1660 configured software setting. There mode commands configure HT1660 resource transfer display data. configuration mode HT1660 called command mode, command mode 100. command mode consists system configuration
HT1660
command, system frequency selection command, configuration command, tone frequency selection command, bias current selection command, timer/WDT setting command, operating command. data mode, other hand, includes READ, WRITE, READ-MODIFY-WRITE operations. following data mode command mode Operation READ WRITE READ-MODIFY-WRITE COMMAND Mode Data Data Data Command
successive commands have been issued, command mode omitted. While system operating non-successive command non-successive address data mode, should previous operation mode will also reset. returns operation mode should issued first.
Time Base Configurations
Name TONE TONE TONE
Command Code X100-0000-1000-XXXX X100-0001-0000-XXXX X100-0001-0001-XXXX Turn-off tone output
Function
Turn-on tone output, tone frequency 4kHz Turn-on tone output, tone frequency 2kHz
Buzzer Tone Output Command Code following data mode command Operation READ WRITE READ-MODIFY-WRITE COMMAND Mode Data Data Data Command
successive commands have been issued, command mode omitted. While system operating non-successive address data mode, should previous operation mode will also reset. returns operation mode should issued first.
Rev. 1.60
February 2009
PATENTED
Bias Generator HT1660 bias voltage belongs internal resistor type. provides kinds bias option named bias bias respectively. also provides three kinds bias current option programming suitably drive panel. three kinds bias current large, middle, small, respectively. Usually, large panel excellently displayed large bias current. Relatively, consumes large current when command used. Small bias current provides power consumption during condition when normally displayed. following reference value table. When bias current more than Large Bias Current setting. recommended external circuit increase driving current. Interfacing Only lines required interface with HT1660. line used initialize serial interface circuit terminate communication between host controller HT1660.
HT1660
data command issued between host controller HT1660 first disabled then initialized. Before issuing mode command mode switching, high level pulse required initialize serial interface HT1660. DB0~DB3 4-bit parallel data input/output lines. Data read written commands written have pass through DB0~DB3 lines. line READ clock input. Data clocked falling edge signal, clocked data will then appear DB0~DB3 lines. recommended that host controller read correct data during interval between rising edge next falling edge signal. line WRITE clock input. data, address, command DB0~DB3 lines clocked into HT1660 rising edge signal. There optional line used interface between host controller HT1660. selected timer output overflow flag output setting. host controller perform time base function connecting with HT1660.
Bias
VLCD
Large Bias Current 165mA 270mA 140mA 225mA
Middle Bias Current 70mA 110mA 55mA 90mA
Small Bias Current 30mA 50mA 25mA 40mA
Internal Resistor Type Bias Generator Configurations Note: voltage applied VLCD must lower than Adjust display
Rev. 1.60
February 2009
PATENTED
HT1660
Increase Driver Current Configurations Note: external resistors used increment driving current. external capacitors used keep bias voltage stable.
Timing Diagrams
READ Mode (Command Code:
Rev. 1.60
February 2009
PATENTED
WRITE Mode (Command Code:
HT1660
READ-MODIFY-WRITE Mode (Command Code:
Rev. 1.60
February 2009
PATENTED
Command Mode (Command Code:
HT1660
Note: stands care
Application Circuits
Host Controller With HT1660 Display System
*Note: connection selected depending MCU. Adjust display Adjust (external pull-high resistance) time base clock. recommended that internal equivalent capacitance between panel should lower than 10pF. (LCR meter test condition: frequency 1KHz)
Rev. 1.60
February 2009
PATENTED
Instruction Summary
Name READ WRITE Command Code Function Read data from Write data Read Write data
HT1660
Def.
READ-MODIFY- D3D2D1D0 TIMER TIMER TONE TIMER TONE TONE LARGE BIAS MIDDLE BIAS SMALL BIAS BIAS BIAS FRAME 170Hz FRAME 89Hz FRAME 64Hz Select X100-0000-0000-XXXX-XXXX X100-0000-0001-XXXX-XXXX X100-0000-0010-XXXX-XXXX X100-0000-0011-XXXX-XXXX X100-0000-0100-XXXX-XXXX X100-0000-0101-XXXX-XXXX X100-0000-0110-XXXX-XXXX X100-0000-0111-XXXX-XXXX X100-0000-1000-XXXX-XXXX X100-0000-1101-XXXX-XXXX X100-0000-1111-XXXX-XXXX X100-0001-0000-XXXX-XXXX X100-0001-0001-XXXX-XXXX X100-0001-0010-XXXX-XXXX X100-0001-0011-XXXX-XXXX X100-0001-0100-XXXX-XXXX X100-0001-0101-XXXX-XXXX X100-0001-0110-XXXX-XXXX X100-0001-0111-XXXX-XXXX X100-0001-1000-XXXX-XXXX X100-0001-1010-XXXX-XXXX X100-0001-1001-XXXX-XXXX X100-0001-1100-XXXX-XXXX X100-0001-1101-XXXX-XXXX X100-0001-1110-XXXX-XXXX X100-0001-1111-XXXX-XXXX X100-1010-0000-XXXX-XXXX X100-1010-0001-XXXX-XXXX X100-1010-0010-XXXX-XXXX
Turn both system oscillator bias generator Turn system oscillator Turn display Turn display Disable time base output Disable time-out flag output Enable time base output Enable time-out flag output Turn tone outputs Clear contents time base generator Clear contents stage Turn tone output, tone frequency output: 4kHz Turn tone output, tone frequency output: 2kHz Disable output Enable output System clock source, on-chip oscillator System clock source, external 32kHz clock source crystal oscillator 32.768kHz Large bias current option Middle bias current option Small bias current option bias option bias option Selects 170Hz frame frequency Selects 89Hz frame frequency Selects 64Hz frame frequency This command will change segment from common from Time base clock output: time-out flag after: Time base clock output: time-out flag after: Time base clock output: time-out flag after:
Rev. 1.60
February 2009
PATENTED
Name F128 TEST NORMAL Note: Command Code X100-1010-0011-XXXX-XXXX X100-1010-0100-XXXX-XXXX X100-1010-0101-XXXX-XXXX X100-1010-0110-XXXX-XXXX X100-1010-0111-XXXX-XXXX X100-1111-1111-XXXX-XXXX X100-1111-1110-XXXX-XXXX Function Time base clock output: time-out flag after: 1/2s Time base clock output: 16Hz time-out flag after: 1/4s Time base clock output: 32Hz time-out flag after: 1/8s Time base clock output: 96Hz time-out flag after: 1/16s Time base clock output: 128Hz time-out flag after: 1/32s Test mode, user use. Normal mode, mode will
HT1660
Def.
stands care A9~A0: address D3~D0: data D/C: Data/Command mode Def.: Power-on reset default bold forms, namely mode commands. these, indicates command mode successive commands have been issued, command mode except first command will omitted. tone frequency source time base/WDT clock frequency source derived from on-chip 32kHz oscillator, 32.768kHz crystal oscillator, external 32kHz clock. Calculation frequency based system frequency sources stated above. recommended that host controller should initialize HT1660 after power-on reset, otherwise, power reset fail, which turn leads malfunctioning HT1660.
Rev. 1.60
February 2009
PATENTED
Package Information
208-pin Outline Dimensions
HT1660
Symbol
Dimensions Min. 27.9 27.9 0.35 Nom. Max. 31.4 28.1 31.4 28.1 0.65
Rev. 1.60
February 2009
PATENTED
HT1660
Holtek Semiconductor Inc. (Headquarters) No.3, Creation Science Park, Hsinchu, Taiwan Tel: 886-3-563-1999 Fax: 886-3-563-1189 http://www.holtek.com.tw Holtek Semiconductor Inc. (Taipei Sales Office) 4F-2, 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan Tel: 886-2-2655-7070 Fax: 886-2-2655-7373 Fax: 886-2-2655-7383 (International sales hotline) Holtek Semiconductor Inc. (Shanghai Sales Office) Room, Floor, No.1 Building, No.2016 Yi-Shan Road, Minhang District, Shanghai, China 201103 Tel: 86-21-5422-4590 Fax: 86-21-5422-4705 http://www.holtek.com.cn Holtek Semiconductor Inc. (Shenzhen Sales Office) Unit Productivity Building, Gaoxin 2nd, Middle Zone High-Tech Industrial Park, ShenZhen, China 518057 Tel: 86-755-8616-9908, 86-755-8616-9308 Fax: 86-755-8616-9722 Holtek Semiconductor Inc. (Beijing Sales Office) Suite 1721, Jinyu Tower, A129 West Xuan Street, Xicheng District, Beijing, China 100031 Tel: 86-10-6641-0030, 86-10-6641-7751, 86-10-6641-7752 Fax: 86-10-6641-0125 Holtek Semiconductor Inc. (Chengdu Sales Office) 709, Building Champagne Plaza, No.97 Dongda Street, Chengdu, Sichuan, China 610016 Tel: 86-28-6653-6590 Fax: 86-28-6653-6591 Holtek Semiconductor (USA), Inc. (North America Sales Office) 46729 Fremont Blvd., Fremont, 94538, Tel: 1-510-252-9880 Fax: 1-510-252-9885 http://www.holtek.com
Copyright 2009 HOLTEK SEMICONDUCTOR INC. information appearing this Data Sheet believed accurate time publication. However, Holtek assumes responsibility arising from specifications described. applications mentioned herein used solely purpose illustration Holtek makes warranty representation that such applications will suitable without further modification, recommends products application that present risk human life malfunction otherwise. products authorized critical components life support devices systems. Holtek reserves right alter products without prior notification. most up-to-date information, please visit site http://www.holtek.com.tw.
Rev. 1.60
February 2009

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