Silan
Semiconductors
TONE/PULSE SWITCHABLE DIALER
WITH LCD INTERFACE AND
DUAL-TONE MELODY
DESCRIPTION
SC91415 SERIES
The SC91415 is a series of tone/pulse switchable dialers that is
composed of T/P dialer and T/P dialer with 13 set memories. The
SC91415 series provide necessary functions of telephone set for
application in any environment, such as Pulse dialing, Tone (DTMF)
dialing, Handfree dialing, keying tone and lock functions. The lock
function is designed to inhibit toll dialing operation. Beside this,
melody generator, ring detector and SDO (Serial Data Output)
functions are provided in advance version. Melody generator will
output dual-tone music in line hold duration. Ring detector can
prevent illegal dialing from pocket dialer. The SDO is designed to
drive LCD driver and voice synthesizer.
DIP-18
DIP-22
FEATURES
*Tone/Pulse switchable
*Wide operating voltage from 2.0 V to 5.5 V
*Low operating current, 0.15mA (Pulse) and 0.3mA (Tone) typically
*Adding resistor on keyboard scan pin that can select many tele-
phone specifications, such as: Pulse rate, M/B ratio, Flash time,
lock dialing functions.
*Lock function provides conventionality key lock and password lock
operations
*Ring detector is designed to prevent illegal dialing from pocket
dialer
*13 set one touch or (3 set one touch and 10 set two touch)
repertory memory, each one can hold data up to 16 digits
*A 32-digit LNB (last number) redial memory
*Handfree function provides on-hook dialing and speakerphone
application
*Pause and P-T time are fixed to 3.6 seconds
*Tone duration and inter-tone pause time are fixed to 98 ms
*Using 3.579545 MHz crystal or ceramic resonator
*SDO function supports LCD driver and
voice synthesizer to indicate dialing
numbers.
*Line hold function is designed for stopping
conversation temporality
*Melody generator provides music on hold
function
*Keytone function provides rapidly keying
recognition
ORDERING INFORMATION
SC91415AP
SC91415BP
SC91415CK
SC91415DK
DIP-18 Package
DIP-20 Package
DIP-22 Package
DIP-24 Package
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2.0
2001-11-13
1
SILAN [ SILAN MICROELECTRONICS JOINT-STOCK ]
