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Operating voltage: 2.7V~5.2V Built-in 32kHz oscillator External 32.768


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HT1650 Controller
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 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 com-
mons
segments commons selectable com-
max. VLCD voltage
Provides three kinds bias current programming Control TN-type STN-type LCDs 128-pin package
mand method
Built-in bit-map display RAM: 2048 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
HT1650 peripheral device specially designed type MCUs which used expand display capability. max. display segment device 2048 patterns segments commons). also supports four data bits interface, buzzer sound, Watchdog Timer time base timer functions. HT1650 memory mapping multi-function controller. control TN-type (Twisted Nematic) STN-type (Super Twisted Nematic) LCDs. software configuration feature HT1650 make suitable multiple applications including modules display subsystems. Only lines (CS, DB0~DB3) required interface between host controller HT1650.
Rev. 1.00
September 2003
HT1650
Block Diagram
Rev. 1.00
September 2003
HT1650
Assignment
Rev. 1.00
September 2003
HT1650
Assignment
Chip size: (mm)2 substrate should connected layout artwork.
Coordinates
Rev. 1.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 1635.35 1535.35 1435.35 1335.35 1235.35 1135.35 1035.35 935.35 835.35 735.35 635.35 535.35 435.35 335.35 235.35 135.35 35.35 -417.35 -276.25 -141.75 -3.55 137.25 212.30 393.90 540.40 675.80 835.40 983.60 1130.60 1278.80 1425.80 1577.90 1714.90 1814.90 -1639.80 -1639.80 -1644.30 -1644.30 -1711.95 -1576.95 -1598.20 -1639.90 -1639.90 -1639.90 -1639.90 -1639.90 -1639.90 -1639.90 -1701.15 -1751.90 -1751.90 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1454.90 1354.90 1254.90 1154.90 1054.90 954.90 854.90 754.90
Unit: 639.60 739.60 839.60 939.60 1039.60 1139.60 1239.60 1339.60 1439.60 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40
September 2003
HT1650
-1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1921.00 -1612.45 -1512.45 -1412.45 -1258.55 -1115.95 -980.55 -833.65 -698.25 -552.95 -64.65 -164.65 -264.65 -364.65 -464.65 -564.65 -664.65 -764.65 -864.65 -964.65 -1064.65 -1164.65 -1264.65 -1747.70 -1747.70 -1747.70 -1639.80 -1639.80 -1639.80 -1639.80 -1639.80 -1639.80 1914.90 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 1918.10 -1751.90 -1465.70 -1365.70 -1265.70 -1165.70 -1065.70 -965.70 -865.70 -765.70 -665.70 -565.70 -465.70 -365.70 -265.70 -160.40 -60.40 39.60 139.60 239.60 339.60 439.60 539.60 654.90 554.90 454.90 354.90 254.90 154.90 54.90 -45.10 -145.10 -245.10 -345.10 -445.10 -545.10 -645.10 -745.10 -845.10 -945.10 -1045.10 -1145.10 -1245.10 -1345.10 -1445.10 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40 1760.40
Description
1~17 71~117 18~33 55~70 Name SEG47~SEG63 SEG0~SEG46 COM31~COM16 COM0~COM15 segment outputs common outputs, under command mode, COM16~COM31 will shared with SEG64~SEG79. COM31/SEG64, COM30/SEG65, COM29/SEG66., COM18/SEG77, COM17/SEG78, COM16/SEG79 Chip selection input with pull-high resistor. When logic high, data command read from write HT1650 disabled. serial interface circuit also reset. logic level input pad, data command transmission between host controller HT1650 enabled. READ clock input with pull-high resistor. Data HT1650 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 HT1650 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) connected Description
37~40
DB0~DB3
OSCI OSCO
49~53
VLCD T1~T4, T000
Rev. 1.00
September 2003
HT1650
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.
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. -1.8 -1.8 -180 -140 Typ. -0.9 -0.9 Max.
Ta=25°C 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. 1.00
September 2003
HT1650
A.C. Characteristics
Symbol Parameter Test Conditions System Clock fSYS2 System Clock fSYS3 System Clock fLCD1 Frame Frequency fLCD2 Frame Frequency fLCD3 tCOM fCLK1 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 Hold Time Clock Width (Figure 3.34 1.67 6.67 Write mode Duty cycle Duty cycle Number External clock source Crystal oscillator On-chip oscillator 61/117 3.34 89/170 111/213 n/fLCD External clock source Crystal oscillator On-chip oscillator 61/117 32.768 32.768 Conditions Min. Typ. Max. Ta=25°C Unit
fSYS1
89/170 111/213
tsu1
Rev. 1.00
September 2003
HT1650
Figure
Figure
Figure
Functional Description
System Oscillator HT1650 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 HT1650 state.
illa illa
System Oscillator Configuration
Rev. 1.00
September 2003
HT1650
Display Memory Structure 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 Bit3 Bit0 Bit1 Bit2 Bit3 Bit0 Bit1 Bit2 Bit3 SEG2 SEG3 SEG60 1DFH 1E7H 1DEH 1E6H 25H- 1DDH 1E5H 24H- 1DCH 1E4H 23H- 1DBH 1E3H 22H- 1DAH 1E2H 1D9H 1E1H 1D8H 1E0H 1E8H Bit0 Bit1 Bit2 Bit3 1E9H Bit0 Bit1 Bit2 Bit3 1EAH Bit0 Bit1 Bit2 Bit3 1EBH Bit0 Bit1 Bit2 Bit3 1ECH Bit0 Bit1 Bit2 Bit3 1EDH Bit0 Bit1 Bit2 Bit3 1EEH Bit0 Bit1 Bit2 Bit3 1EFH Bit0 Bit1 Bit2 Bit3 SEG61 1F0H Bit0 Bit1 Bit2 Bit3 1F1H Bit0 Bit1 Bit2 Bit3 1F2H Bit0 Bit1 Bit2 Bit3 1F3H Bit0 Bit1 Bit2 Bit3 1F4H Bit0 Bit1 Bit2 Bit3 1F5H Bit0 Bit1 Bit2 Bit3 1F6H Bit0 Bit1 Bit2 Bit3 1F7H Bit0 Bit1 Bit2 Bit3 SEG62 1F8H Bit0 Bit1 Bit2 Bit3 1F9H Bit0 Bit1 Bit2 Bit3 1FAH Bit0 Bit1 Bit2 Bit3 1FBH Bit0 Bit1 Bit2 Bit3 1FCH Bit0 Bit1 Bit2 Bit3 1FDH Bit0 Bit1 Bit2 Bit3 1FEH Bit0 Bit1 Bit2 Bit3 1FFH Bit0 Bit1 Bit2 Bit3 SEG63
Selection Mode Mapping Table
Rev. 1.00
September 2003
HT1650
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 SEG2 SEG3 SEG76 12FH 133H 12EH 132H 12DH 131H 12CH 130H 134H Bit0 Bit1 Bit2 Bit3 135H Bit0 Bit1 Bit2 Bit3 136H Bit0 Bit1 Bit2 Bit3 137H Bit0 Bit1 Bit2 Bit3 SEG77 138H Bit0 Bit1 Bit2 Bit3 139H Bit0 Bit1 Bit2 Bit3 13AH Bit0 Bit1 Bit2 Bit3 13BH Bit0 Bit1 Bit2 Bit3 SEG78 13CH Bit0 Bit1 Bit2 Bit3 13DH Bit0 Bit1 Bit2 Bit3 13EH Bit0 Bit1 Bit2 Bit3 13FH Bit0 Bit1 Bit2 Bit3 SEG79
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 HT1650 provides three kinds frame frequency options 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. 1.00
September 2003
HT1650
Buzzer Tone Output simple tone generator implemented HT1650. 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 HT1650 configured software setting. There mode commands configure HT1650 resource transfer display data. configuration mode HT1650 called command mode, command mode 100. command mode consists system configuration
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
Function Turn-off tone output 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. 1.00
September 2003
HT1650
Bias Generator HT1650 bias voltage belongs internal resistor type. provides kinds bias options, namely bias bias respectively. also provides three kinds bias current options 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. Interfacing Only lines required interface with HT1650. line used initialize serial interface circuit terminate communication between host controller HT1650. data command issued between host controller HT1650 first disabled then initialized. Bias 225mA
Before issuing mode command mode switching, high level pulse required initialize serial interface HT1650. 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 HT1650 rising edge signal. There optional line used interface between host controller HT1650. selected timer output overflow flag output setting. host controller perform time base function connecting with HT1650.
VLCD
Large Bias Current 165mA 270mA 140mA
Middle Bias Current 70mA 110mA 55mA 90mA
Small Bias Current 30mA 50mA 25mA 40mA
Internal Resistor Type Bias Generator Configurations
Rev. 1.00
September 2003
HT1650
Timing Diagrams
READ Mode (Command Code:
WRITE Mode (Command Code:
itin
itin
Rev. 1.00
September 2003
HT1650
READ-MODIFY-WRITE Mode (Command Code:
Command Mode (Command Code:
Note: stands care
Rev. 1.00
September 2003
HT1650
Application Circuits
Host Controller With HT1650 Display System
Note:
connection selected depending MCU. Adjust display Adjust (external pull-high resistance) time base clock.
Instruction Summary
Name READ WRITE Command Code A8110-A7A6A5A4A3A2A1A0D3D2D1D0 A8101-A7A6A5A4A3A2A1A0D3D2D1D0 Function Read data from Write data Read from Write data 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 Def.
WRITE TIMER TIMER TONE TIMER TONE TONE X100-0000-0000-XXXX X100-0000-0001-XXXX X100-0000-0010-XXXX X100-0000-0011-XXXX X100-0000-0100-XXXX X100-0000-0101-XXXX X100-0000-0110-XXXX X100-0000-0111-XXXX X100-0000-1000-XXXX X100-0000-1101-XXXX X100-0000-1111-XXXX X100-0001-0000-XXXX X100-0001-0001-XXXX
Rev. 1.00
September 2003
HT1650
Name LARGE BIAS MIDDLE BIAS SMALL BIAS BIAS BIAS FRAME 170Hz FRAME 89Hz FRAME 64Hz Select F128 TEST NORMAL Note: Command Code X100-0001-0010-XXXX X100-0001-0011-XXXX X100-0001-0100-XXXX X100-0001-0101-XXXX X100-0001-0110-XXXX X100-0001-0111-XXXX X100-0001-1000-XXXX X100-0001-1010-XXXX X100-0001-1001-XXXX X100-0001-1100-XXXX X100-0001-1101-XXXX X100-0001-1110-XXXX X100-0001-1111-XXXX X100-1010-0000-XXXX X100-1010-0001-XXXX X100-1010-0010-XXXX X100-1010-0011-XXXX X100-1010-0100-XXXX X100-1010-0101-XXXX X100-1010-0110-XXXX X100-1010-0111-XXXX X100-1111-1111-XXXX X100-1111-1110-XXXX Function 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 command 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 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: 64Hz time-out flag after 1/16s Time base clock output: 128Hz time-out flag after 1/32s Test mode, user Normal mode, mode will Def.
stands care A8~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 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 HT1650 after power-on reset, otherwise, power reset fail, which turn leads malfunctioning HT1650.
Rev. 1.00
September 2003
HT1650
Package Information
128-pin Outline Dimensions
Symbol
Dimensions Min. 18.80 13.90 24.80 19.90 2.50 0.65 0.10 Nom. 0.50 0.20 0.10 Max. 19.20 14.10 25.20 20.10 3.10 3.40 0.95 0.20
Rev. 1.00
September 2003
HT1650
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. (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 (Shanghai) Inc. Floor, Building No.889, Shan Rd., Shanghai, China Tel: 021-6485-5560 Fax: 021-6485-0313 http://www.holtek.com.cn Holtek Semiconductor (Hong Kong) Ltd. Block 3/F, Industrial Building, 777-779 Cheung Rd., Kowloon, Hong Kong Tel: 852-2-745-8288 Fax: 852-2-742-8657 Holmate Semiconductor, Inc. 46712 Fremont Blvd., Fremont, 94538 Tel: 510-252-9880 Fax: 510-252-9885 http://www.holmate.com Copyright 2003 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. 1.00
September 2003

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