•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
Die type
•132 pin die : EM78871H
•128 pin package : (EM78871AQ POVD disable, EM78871BQ POVD enable)
III.Application
1. adjunct units
2. answering machines
3. feature phones
EM78871
8-bit Micro-controller
__________________________________________________________________________________________________________________________________________________________________
* This specification is subject to be changed without notice. 5
8/23/04 (V1.5)