Datasheet

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Philips Semiconductors
PCF85102C-2
256 × 8-bit CMOS EEPROM with I
2
C-bus interface
9397 750 14216
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data Rev. 04 — 22 October 2004 3 of 20 5. Block diagram
Fig 1. Block diagram.
002aaa247
TEST MODE DECODER
POWER-ON-RESET
I
2
C-BUS CONTROL LOGIC
SEQUENCER
ADDRESS
HIGH
REGISTER
BYTE
COUNTER
DIVIDER
( 128)
EE
CONTROL
TIMER
( 16)
EEPROM
ADDRESS
POINTER
BYTE
LATCH
(8 bytes)
SHIFT
REGISTER
ADDRESS
SWITCH
INPUT
FILTER
OSCILLATOR
8
4
3
n
PCF85102C-2
4
V
SS
A1
A2
A0
3
2
1
8
V
DD
6
5
SCL
SDA