Pioneer PRO-720HD Service Manual page 50

PRO-720HD, PRO-620HD, PRO-520HD
24LC32A(I)P (SIGNAL ASSY : IC2454)
• 32Kbit CMOS Serial EEPROM
Pin Assignment (Top view)
1
A0
2
A1
3
A2
VSS 4
Pin Function
No. Pin Name Pin Function
1 A0
User configurable
2 A1
chip selects
3 A2
4 VSS Ground
5 SDA Serial Address / Data I/O
6 SCL Serial clock
7 WP Write protect input
8 VCC +2.5V to 5.5V power supply
232
Block Diagram
8
VCC
7
WP
6
SCL
5 SDA
SCL
6
SDA
5
VCC
8
VSS
4
A0 A1 A2 WP
1 2 3 7
I/O MEMORY
CONTROL CONTROL
LOGIC LOGIC
I/O
HV GENERATOR
EEPROM
XDEC
ARRAY
PAGE LATCHES
YDEC
SENSE AMP
R/W CONTROL