Sony BVP-550 Maintenance Manual page 174

IC
UPD71055GB-10-3B4(NEC)FLAT PACKAGE
C-MOS PARALLEL INTERFACE UNIT
– TOP VIEW –
6-28
X24164SI(XICOR)(16K BIT)FLAT PACKAGE
X24C02S-3.0(XICOR)(2K BIT)FLAT PACKAGE
C-MOS SERIAL EEPROM
– TOP VIEW –
6
SCL
A0 1 Vcc (+5V) 8 3
IN
A2
2
A1
A1 2 7 WC* 1
IN IN
A0
A2 3 6 SCL 7
IN IN
WC*
4 GND 5 SDA
OUT
7
WC *
5
START
SDA
STOP
LOGIC
SLAVE ADDRESS
CONTROL
6 REGISTER
LOGIC
SCL
COMPARATOR
3
A2
2
A1
1
A0
WORD
ADDRESS
COUNTER
R/W
PIN
D OUT
ACK
NOTE : * TEST (at X24164SIC7000)
5
SDA
START
H. V. GENERATION
CYCLE
TIMING &
CONTROL
2
E PROM
2K ; 64x32
X DEC
4K ; 64x64
16K ; 64x256
Y DEC
8
CK
DATA
ERGISTER
D OUT
BVP-550
BVP-550P