W91473D Winbond, W91473D Datasheet
W91473D
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W91473D Summary of contents
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... The different dialers in the W91473 series are shown in the following table: TYPE NO. PULSE MEMORY (ppS) W91473 10 W91473L 10 W91473A 10 W91473AL 10 W91473B 10/20 W91473BL 10/20 W91473C 10/20 W91473CL 10/20 W91473D 10 W91473DL 10 3 emergency dialing memory and a 16-digit MERCURY HOLD MEMORY 14 Yes Yes Yes Yes Yes Yes 14 Yes ...
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PIN CONFIGURATIONS HPM MUTE MODE ...
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PIN DESCRIPTION SYMBOL 22-PIN 24-PIN Column Row & Inputs XT, XT T/P 11 MUTE 13 DP MODE 15 12 HKS 28-PIN I/O I The keyboard input may be ...
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Pin Description, continued SYMBOL 22-PIN 24-PIN HPM 17 MUTE (only for (only for W91473/D W91473A LOCK (W91473L (W91473 /DL) AL) DTMF 16 28-PIN I ...
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Pin Description, continued SYMBOL 22-PIN 24-PIN - 12, 13 HFI, HFO KT - DRS - 28-PIN I/O 14 Handfree control pins. A low pulse on the HFI input pin toggles the handfree control state. Status of the ...
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... R5 COLUMN C (C1 to C7) E D/A CONVERTER DTMF FUNCTIONAL DESCRIPTION Keyboard Operation */ Note: *MER location in W91473C/CL or W91473D/DL is SAVE memory. S:Store function key XT XT HKS SYSTEM CLOCK LOCK GENERATOR MODE HFI READ/WRITE R COUNTER RAM I C LOCATION LATCH ROW & COLUMN PROGRAMMABLE COUNTER C3 ...
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F1, F2, F3: Flash keys R: One-key redial H: Hold function key M0j: Direct repertory memory EMi: One-touch memory for emergency call */T: * & CLR: Clear key R/P: Redial and pause function key MER: One-touch memory for ...
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Number Store 1. OFF HOOK (or ON HOOK S , Moj (or EMi D1, D2, ..., Dn will be stored in memory location but will not be dialed out. R/P and */T keys can be stored as a digit in ...
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Pulse-to-Tone (*/ T) OFF HOOK (or ON HOOK */T , D1' , D2' , ..., 1. If the mode switch is set to pulse mode, then the output signal will be: D1, D2, ..., Dn, Pause (3.6s), D1', D2', ..., ...
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Clear key 1. CLR , R/P (or R Redial and one-key redial buffer will be cleared. 2. CLR , Moj Location M0j buffer content will be cleared. 3. CLR , Location M0j buffer content will be cleared. ...
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The primary redial content may not be manual dialing. Otherwise, the last redial content will be overwritten. ¡Ï 5. Redialing Repertory Dialing Redial buffer content = Redialing + Repertory dialing. Redialing is valid only as the first key-in after off-hook ...
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MERCURY DIALING digits may be stored. 2. Mercury dialing is activated only as the first key-in after off-hook or handfree dialing is activated. 3. The timing diagram for the mercury memory function is given below. KEY ...
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DC CHARACTERISTICS ( 2.5V, Fosc. = 3.58 MHz all outputs unloaded PARAMETER SYMBOL Operating Voltage Operating Current Standby Current Memory Retention Current DTMF Output Voltage Pre-emphasis DTMF Distortion DTMF Output DC Level ...
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AC CHARACTERISTICS PARAMETER Keypad Active in Debounce Key Release Debounce 1 Pre-digit Pause 2 Pre-digit Pause Interdigit Pause (Auto dialing) Make/Break Ratio Tone Output Duration Intertone Pause Flash Break Time Pause Time Key Tone Frequency Key Tone Duration One-key Redialing ...
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HKS 4 KEY IN T KID PDP T/P MUTE HPM MUTE KT DTMF T FKP OSC. HKS KEY IN DTMF T TD T/P MUTE HPM MUTE FKP OSC. Timing waveforms, continued ...
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HKS OFF HOOK HFI H KEY HFO T/P MUTE HPM MUTE CHIP ENBLE _____ Note: The H KEY cannot be enabled when chip is disabled. HKS HFI H KEY HFO T/P MUTE HPM MUTE CHIP ENBLE ___ _____ Note: The ...
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Timing waveforms, continued HKS HFI H KEY HFO T/P MUTE HPM MUTE CHIP ENBLE Note: Changing the state of the HKS signal from high to low will initialize the HFO and HPM MUTE signals. HKS KEY IN DP T/P MUTE ...
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Timing waveforms, continued HKS KEY IN DP T/P MUTE HPM MUTE KT DTMF T FKP OSC. HKS KEY IN DP T/P MUTE HPM MUTE KT DTMF T FKP OSC R/P T KID ...
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Timing waveforms, continued HKS KEY IN DP T/P MUTE HPM MUTE KT DTMF OSC. LOW LOW T FKP OSC. Figure 7. Flash Operation Timing Diagram Publication Release Date: February 1995 - 19 - W91473 SERIES Revision A3 ...
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... No. 115, Sec. 3, Min-Sheng East Rd., Taipei, Taiwan TEL: 886-2-7190505 FAX: 886-2-7197502 Note: All data and specifications are subject to change without notice. W91473 SERIES Winbond Electronics North America Corp. Winbond Memory Lab. Winbond Microelectronics Corp. Winbond Systems Lab. 2730 Orchard Parkway, San Jose, CA 95134, U.S.A. ...