EM78P808 datasheet(5/63 Pages) EMC

5 / 63 page

EM78808

8-bit Micro-controller

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* This specification is subject to change without notice.

8/1/2004 (V3.1)

•FSK demodulator for Bell 202 and ITU-T V.23 (formerly as CCITT V.23)

•Differential Energy Detector (DED) for line energy detection

CALL WAITING

•Operation Voltage 2.6V∼5.5V

•Compatible with Bellcore special report SR-TSV-002476

•Call-Waiting (2130Hz plus 2750Hz) Alert Signal Detector

•Good talkdown and talkoff performance

•Sensitivity compensated by adjusting input OP gain

LCD (8x80, 9x80, 16x80, 24x72)

•Maximum common driver pins : 16/24

•Maximum segment driver pins : 80(SEG0..SEG79)/72(SEG8..SEG79)

•Shared COM16 ~ COM23 pins with SEG0 ~ SEG7 pins

•1/4 bias for 8, 9 and 16 common mode and 1/5 bias for 24 common mode

•1/8, 1/9, 1/16, 1/24 duty

•16 Level LCD contrast control (software)

•Internal resistor circuit for LCD bias

•Internal voltage follower for better display

Package type

•136 pin Chip : EM78808BH

•128 pin QFP : (EM78808AAQ , POVD disable) (EM78808ABQ , POVD enable)

•128 pin QFP : (EM78808BAQ , POVD disable) (EM78808BBQ , POVD enable)

III.Application

1. adjunct units

2. answering machines

3. feature phones

EM78P808 Datasheet(PDF) 5 Page - ELAN Microelectronics Corp

EM78P808 Datasheet(HTML) 5 Page - ELAN Microelectronics Corp

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