W91F810N series tone/pulse switchable telephone dialers with 23-falsh
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Preliminary W91F810N SERIES 23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK HOLD FUNCTIONS
W91F810N series tone/pulse switchable telephone dialers with 23-falsh memory, keytone, hold, lock, mute, volume control handfree dialing control features. These chips fabricated using Winbond's high-performance CMOS technology thus offer good performance lowvoltage, low-power operations.
Tone/pulse switchable dialer digits redial save memory Three digits one-touch direct repertory flash-memory Twenty digits one-touch direct two-touch indirect repertory flash-memory read-write times: Pulse-to-tone (*/T) keypad long distance call operation Chain dialing Uses keyboard Easy operation with redial, flash, pause, keypads Pause, (pulse-to-tone) stored digit memory Dialing rate: mask option Minimum tone output duration: Minimum intertone pause: Pause time: sec. Flash break time selectable keypad; pause time Make/break ratio (2:3 1:2) selectable MODE Mute speech network mute will accepted except "HOLD" when Hold mode 4-level volume control default value zero tone output valid keypad entry recognition On-chip power-on reset Uses 3.579545 crystal ceramic resonator 22-pin mil, 24-pin 28-pin dual-in-line plastic package different dialers W91F810N series shown following table:
TYPE W91F810N W91F810AN W91F810LN W91F810ALN W91F811AN W91F811ALN W91F812N W91F812AN PULSE (ppS) FLASH-MEMORY touch, touch touch, touch touch, touch touch, touch touch touch touch, touch touch, touch touch LOCK TONE HANDFREE DIALING VOLUME CONTROL PACKAGE (PINS)
W91F813AN
Publication Release Date: January 1999 Revision
Preliminary W91F810N SERIES
CONFIGURATIONS
MUTE MUTE MUTE MODE DTMF MUTE MUTE MUTE MODE DTMF MUTE MUTE
MUTE MODE DTMF
W91F810N/F812N
W91F810AN/F812AN
W91F811AN/F813AN
LOCK MUTE MUTE MUTE MODE DTMF LOCK MUTE MUTE MUTE MODE DTMF MUTE LOCK MUTE
MUTE MODE DTMF
W91F810LN
W91F810ALN
W91F811ALN
Preliminary W91F810N SERIES
DESCRIPTION
SYMBOL ColumnRow Inputs 22-PIN 18-22 24-PIN 20-24 28-PIN 23-28 FUNCTION keyboard input compatible with standard keyboard, inexpensive single contact (Form keyboard, electronic input. normal operation, single button pushed produce dual tone, pulses, functions. Activation more buttons will result response except single tone. built-in inverter together with inexpensive 3.579545 crystal supplies oscillator. oscillator stops when there keypad input. crystal frequency deviation 0.02%. Crystal oscillator output pin. MUTE conventional CMOS N-channel open drain output. output transistor turns with level during dialing sequence (both pulse tone mode). Otherwise, off. MUTE MUTE conventional CMOS N-channel open drain output. Toggle action speech mute control MUTE key. Connecting mode places dialer tone mode. Connecting mode places dialer pulse mode with ratio 40:60. Leaving mode floating places dialer pulse mode with ratio 33.3:66.7. (hook switch) input used sense whether handset on-hook off-hook. on-hook state, chip sleeping mode, operation. off-hook state, chip enabled normal operation. pulled internal resistor.
(W91F810N/F8 10AN/F812N/F 812AN/F811AN /F813AN only)
MUTE
MODE
tone output conventional CMOS inverter. tone generated when valid pressed; generates square wave When pressed, remains state.
Publication Release Date: January 1999 Revision
Preliminary W91F810N SERIES
Description, continued
SYMBOL LOCK
(W91F810LN/ F810ALN/ F811ALN only)
22-PIN
24-PIN
28-PIN
FUNCTION function this terminal prevent dialing dialing under PABX system long distance call control. When first input after reset inputs, including key, become invalid chip generates output. telephone reinitialized reset. function LOCK shown below:
LOCK Floating FUNCTION "0", dialing inhibited Normal dialing Mode dialing inhibited
MUTE
MUTE conventional inverter output. During pulse dialing, flash break hold period, this output active high; otherwise, remains state. N-channel open drain dialing pulse output. Flash will cause active either tone mode pulse mode. timing diagram pulse mode shown Figure 1(a, During pulse dialing, this remains state regardless keypad input. tone mode, will output dual single tone. detailed timing diagram tone mode shown Figure 2(a,
OUTPUT FREQUENCY Specified 1209 1336 1477 Actual 1216 1332 1472 Error +0.28 -0.52 -0.47 +0.74 +0.57 -0.30 -0.34
DTMF
Preliminary W91F810N SERIES
Description, continued
SYMBOL VDD,
22-PIN
24-PIN
28-PIN
FUNCTION Power input pins dialer chip. power ground. Volume control output pins. These pins toggled volume control keys (Vup, Vdown). These pins output conventional CMOS Nchannel open drain output. pulse input toggles handfree control state. status handfree control state listed following table:
CURRENT STATE
HOOK INPUT
HFI,
Handfree control pins.
NEXT STATE
DIALING
Hook Hook Hook Hook Hook
High High High
Hook Hook Hook
High High
pulled internal resistor. detailed timing diagram shown Figure
Publication Release Date: January 1999 Revision
Preliminary W91F810N SERIES
BLOCK DIAGRAM
SYSTEM CLOCK GENERATOR
KEYBOARD INTERFACE COLUMN LOCATION LATCH
READ/WRITE COUNTER
CONTROL LOGIC
LOCK MODE
MUTE PULSE CONTROL LOGIC MUTE MUTE
DTMF
CONVERTER
COLUMN PROGRAMMABLE COUNTER
DATA LATCH DECODER
FUNCTIONAL DESCRIPTION
Keyboard Operation
Page Page SAVE MUTE VX/R5 SAVE MUTE Vdown
Vx/R5
Store function
Preliminary W91F810N SERIES
Page: Indirect repertory memory dialing function Hold function redial function R/P: Redial pause function */T: tone mode pulse mode SAVE: Save function one-touch 32-digit memory MUTE: Mute function speech mute M0-M9: touch memory. dialing number stored M0-M9 locations key.
Note that touch memory (Page+ Page+9) share same memory buffer with M10- M19, respectively
M10, M19: touch touch memory keys. there M10-M19 keys, Page+(M0-
used simulate M10-M19.
EM1, EM3: Emergency one-touch memory Indirect repertory dialing function Flash function keys: flash
pause time
Note: D1`, Dn`, */T, M19, PAGE PAGE M10-M19
Normal Dialing
HOOK HOOK will dialed out. Dialing length unlimited, redial inhibited length oversteps digits normal dialing.
Redialing Dialing
HOOK HOOK HOOK BUSY
Come
HOOK
HOOK
execute redial function only first key-in after off-hook. Otherwise, will invoke
pause function. HOOK HOOK
one-key redial function timing diagram shown Figure dialing finished, pressing will cause pulse output
seconds break time 600ms pause will automatically added. Publication Release Date: January 1999 Revision
Preliminary W91F810N SERIES
pulses dialed number HOOK come, HOOK have finished, will ignored. Busy HOOK
HOOK
first after HOOK, only execute redialing function will cause
pulse output break time seconds.
Number Store
HOOK HOOK SAVE pressed.
PAGE
PAGE
dialing
must first finished before
will stored memory location saved then dialed out. HOOK HOOK
SAVE
PAGE
will stored memory location, saved), will dialed out. keys stored digit memory, pause function key. cannot
first digit. store mode,
store mode released after store function executed when state hook switch changes flash function executed.
Save
HOOK HOOK SAVE
will dialed out. dialing memory. HOOK come HOOK SAVE finished, pressing SAVE will duplicate save
HOOK
HOOK
will dialed after
SAVE
pressed.
Preliminary W91F810N SERIES
Repertory Dialing Procedure
One-touch direct repertory dialing: HOOK HOOK SAVE
Two-touch direct repertory dialing: HOOK HOOK Page
Access Pause
HOOK HOOK
pause function stored memory. pause function executed with normal dialing, redialing memory dialing. pause function timing diagram shown Figure
Pulse-to-tone (*/T)
HOOK HOOK
mode switch pulse mode, then will perform Pause, (3.6 sec), D1', D2', (Pulse) (Tone) mode switch tone mode, then output signal will D1', D2', (Tone) (Tone) reset pulse mode only HOOK active. This because remains tone mode when digits have been dialed out. function timing diagram shown Figure
Flash
HOOK HOOK
F1-F4.
pressed, dialer will execute flash break time (F1),
(F2), (F3) (F4) pause time second, after which next digit dialed out. flash first priority keyboard function only flash will released user. When flash system will return initial state after flash pause time finished.
Publication Release Date: January 1999 Revision
Preliminary W91F810N SERIES
flash function timing diagram shown Figure
Cascaded Dialing
HOOK HOOK Normal Dialing
Normal Dialing (1st sequence)
Repertory Dialing (2nd sequence) Normal Dialing (2nd sequence)
Repertory Dialing (1st sequence)
Repertory Dialing
Redialing
Normal Dialing
Repertory Dialing
(1st sequence)
(2nd sequence)
Redialing valid only first key-in. second sequence should operated until first sequence dialed completely.
Mute
HOOK MUTE
MUTE on/off toggle function.
ABSOLUTE MAXIMUM RATING
PARAMETER Supply Voltage Input/Output Voltage SYMBOL VDD-VSS Power Dissipation Operation Temperature Storage Temperature TOPR TSTG RATING -0.3 +7.0 -0.3 +0.3 -0.3 +0.3 +150 UNIT
Note: Exposure conditions beyond those listed under Absolute Maximum Ratings adversely affect life reliability device.
Preliminary W91F810N SERIES
CHARACTERISTICS
(VDD-VSS 2.5V, Fosc. 3.58 MHz, outputs unloaded)
PARAMETER Operating Voltage Operating Current Standby Current Memory Retention Current Tone Output Voltage Pre-emphasis DTMF Distortion DTMF Output Level DTMF Output Sink Current Output Sink Current MUTE Output Sink Current Drive/Sink Current Drive/Sink Current
SYM. Tone Pulse
CONDITIONS
MIN.
TYP.
MAX.
UNIT
mVrms
load entry 1.0V group, Col/Row, 2.0-5.5V
VTDC IKTH IKTL IHFH IHFL IKML IHPH IHPL RHKS
2.0- 5.5V 2.0- 5.5V 0.5V 0.5V 0.5V VKTH 2.0V VKTL 0.5V VHFH 2.0V VHFL 0.5V VKML 0.5V VHPH 2.0V VHPL 0.5V
MUTE Sink Current MUTE Drive/Sink Current Keypad Input Drive Current
Pull High Resister
Keypad Input Sink Current Keypad Resistance
2.5V
Publication Release Date: January 1999 Revision
Preliminary W91F810N SERIES
CHARACTERISTICS
PARAMETER Key-in Debounce Release Debounce On-hook Debounce Pre-digit Pause1 Pre-digit Pause2 SYM. TKID TKRD TOHD TPDP1 TPDP2 TIDP CONDITIONS Lock Mode Unlock Mode Mode Mode Floating Mode Mode Floating
(Unless 91F810N/W91F810AN/ 810LN/F810ALN/F811AN/ F811ALN only)
MIN.
TYP. 33.3 16.7
MAX.
UNIT
Inter Digit Pause (Auto Dialing)
(W91F812N/F812AN/F813AN only)
Interdigit Pause (Auto dialing) Make/Break Ratio Tone Output Duration Intertone Pause Flash Break Time
TIDP TITP
Mode Mode Floating
40:60 33.3:66.7
Flash Pause Time Pause Time Tone Frequency Tone Duration One-key Redialing Pause Time One-key Redialing Break Time First Key-in Delay
TKTD TFKD
Lock only
Notes: Crystal parameters suggested proper operation 0.02 Fosc. 3.579545 ±0.02%. Crystal oscillator accuracy directly affects these times.
Preliminary W91F810N SERIES
VOLUME CONTROL FLOW CHART
Volume initial data: line handfree mode handset mode Volume Vol-set1: hold mode Volume data can't changed will handfree data hold mode handset mode Vol-set2:
Off-hook
Hold release handfree Volume handfree mode
Publication Release Date: January 1999 Revision
Preliminary W91F810N SERIES
Volume Control Flow Chart, continied
Volume initial data:
Chip Enable Press Vdown keys
Hand-free
handset mode
Volume setting Press hand-free
hand-free mode
Press Vdown keys
Volume setting
Switch handset
Preliminary W91F810N SERIES
TIMING WAVEFORMS
TKID
TKID
TIDP
TIDP TPDP
TIDP
MUTE
MUTE DTMF
OSC.
OSC.
OSC.
Figure 1(a) Pulse Mode Tming Diagram (Normal dialing without lock function)
<300
TIDP
MUTE
TFKD
MUTE DTMF OSC.
OSC.
OSC.
Figure 1(b) Pulse Mode Timing Diagram (Normal dialing with lock function)
Publication Release Date: January 1999 Revision
Preliminary W91F810N SERIES
Timing Waveforms, continued
TPDP MUTE
TIDP
TIDP TPDP
TIDP
MUTE
DTMF OSC.
HOOK
OSC.
Figure 1(c) Pulse Mode Timing Diagram (Auto dialing without lock)
<300
TIDP TPDP
TIDP
MUTE
TFKD
MUTE
DTMF OSC.
OSC.
Figure 1(d) Pulse Mode Timing Diagram (Auto dialing with lock function)
Preliminary W91F810N SERIES
Timing Waveforms, continued
TKID DTMF MUTE TKRD TKRD TKRD
TKID
TITP
TITP
TITP
MUTE DTMF
HIGH OSC. OSC.
OSC.
Figure 2(a) Tone Mode Timing Diagram (Normal dialing without lock)
TKRD
TKRD
TKID
TKRD
DTMF MUTE TFKD MUTE
TITP
TITP
TITP
HIGH OSC. OSC.
OSC.
Figure 2(b) Tone Mode Timing Diagram (Normal dialing with lock function)
Publication Release Date: January 1999 Revision
Preliminary W91F810N SERIES
Timing Waveforms, continued
TKID DTMF MUTE
TITP
MUTE
HIGH OSC.
HOOK
OSC.
Figure 2(c) Tone Mode Timing Diagram (Auto dialing without lock)
DTMF MUTE TFKD
TITP
TITP
MUTE
HIGH OSC.
OSC.
Figure 2(d) Tone Mode Timing Diagram (Auto dialing with lock function)
Preliminary W91F810N SERIES
Timing Waveforms, continued
TKID DTMF MUTE (return initial state) MUTE HIGH OSC.
HOOK
TITP
OSC.
Figure 2(e) Tone Mode Timing Diagram with On-hook Debounce (Auto dialing)
HOOK
HOOK
MUTE HIGH
MUTE
CHIP ENABLE
Note: enabled during chip dissable.
Figure 3(a)
Publication Release Date: January 1999 Revision
Preliminary W91F810N SERIES
Timing Waveforms, continued
HOOK
MUTE HIGH
MUTE
CHIP ENABLE
Figure 3(b) Note: inputs will toggle signal. first time activated, signal will high previous active input will neglected.
HOOK
MUTE HIGH
MUTE CHIP ENABLE
Figure 3(c) Note: signal change state from high will initialize both MUTE signals.
Preliminary W91F810N SERIES
Timing Waveforms, continued
TKID
MUTE MUTE
DTMF OSC. CHIP ENABLE
HOOK
OSC. OSC.
Figure Lock Function Timing Diagram
TKID MUTE
TIDP TPDP TPDP
TIDP
MUTE
DTMF
OSC.
Figure Pulse Mode One-key Redialing Timing Diagram
Publication Release Date: January 1999 Revision
Preliminary W91F810N SERIES
Timing Waveforms, continued
TKID
MUTE
TIDP TPDP
TIDP
TIDP
MUTE DTMF OSC.
OSC.
Figure Pause Function Timing Diagram (without lock)
TKID
TPDP MUTE
TIDP
TIDP
DTMF TITP MUTE
OSC.
OSC.
Figure Pulse Tone Function Timing Diagram (without lock)
Preliminary W91F810N SERIES
Timing Waveforms, continued
TKID
MUTE
MUTE
DTMF OSC. OSC.
Figure Flash Operation Timing Diagram
Publication Release Date: January 1999 Revision
Preliminary W91F810N SERIES
Headquarters
Winbond Electronics (H.K.) Ltd.
803, World Trade Square, Tower Creation III, Rd., Kwun Tong, Science-Based Industrial Park, Kowloon, Hong Kong Hsinchu, Taiwan TEL: 852-27513100 TEL: 886-3-5770066 FAX: 852-27552064 FAX: 886-3-5792766 http://www.winbond.com.tw/ Voice Fax-on-demand: 886-2-27197006
Winbond Electronics North America Corp. Winbond Memory Lab. Winbond Microelectronics Corp. Winbond Systems Lab.
2727 First Street, Jose, 95134, U.S.A. TEL: 408-9436666 FAX: 408-5441798
Taipei Office
11F, 115, Sec. Min-Sheng East Rd., Taipei, Taiwan TEL: 886-2-27190505 FAX: 886-2-27197502
Note: data specifications subject change without notice.
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