w91510dn Winbond Electronics Corp America, w91510dn Datasheet

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w91510dn

Manufacturer Part Number
w91510dn
Description
Tone/pulse Dialer With Rtc And Lcd Display Function
Manufacturer
Winbond Electronics Corp America
Datasheet
GENERAL DESCRIPTION
The W91510DN series ICs are Si-gate CMOS IC that provide the signals needed for either pulse or
tone dialing. They feature a 12/16-digit LCD driver for displaying telephone numbers and calling time.
A real time clock is included to display the time of day. The W91510DN series is fabricated using
CMOS technology and thus provide good performance in low voltage, low power applications.
FEATURES
off hook after power on reset that DP will keep high for 100 mS then go low for 200 mS)
One by 32 digits for redial
Uses 5
Pause, pulse-to-tone (*/T) can be stored as a digit in memory
Flash can be stored as a digit in memory when in store mode
Minimum tone output duration: 87 mS
Minimum intertone pause: 87 mS
Tone/pulse mode pin selectable
Make/break ratio pin selectable
Dialing rate: 10 ppS
Pause time: 3.6 Sec.
Flash break time (73 mS, 100 mS, 300 mS or 600 mS) selectable by keypad
Built-in 12 or 16-digit LCD driver 1/4 duty, 1/3 bias) selectable by mask option
Built-in calling timer from [00:00] to [59:59]
On-chip power-on reset and clear LCD
Uses 3.579545 MHz TV quartz crystal or ceramic resonator
Uses 32768 Hz crystal as RTC frequency base
Packaged in 64-pin plastic QFP with RTC
Switchable 24-hour clock or 12-hour clock with p.m. mode by keypad
0 or 9 dialing inhibition pin for PABX systems or long distance dialing lock out
On hook debounce: 150 mS in normal mode and 20 mS in lock mode
Off-hook delay 300 mS in lock mode ( DP will keep low for 300 mS while off hook except the first
First key-in delay: 300 mS in lock mode
Mixed dialing allowed
6 keyboard
TONE/PULSE DIALER WITH RTC AND LCD
Preliminary W91510DN SERIES
- 1 -
DISPLAY FUNCTIONS
Publication Release Date: May 1997
Revision A2

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