Sanyo PLC-HF10000L Service Manual page 179

IC Block Diagrams
● LB1645N <Motor Drive, IC5531, IC5551, IC6501, IC6502, IC6551>
● M62320 <I/O Expander, IC4801, IC4811, IC7702>
2
SCL
SDA 3
Reset
13
V
DD
Power on
Reset
GND 8
CS0 CS1
CS2
16 15
14
I�C BUS
Interface
Output Data
8
Output Data
Latch
8
I/O Port
12 10
11
D5 D4
D7 D6
-179-
Shift Register
Input/Output
8
Input Data
Register
Latch
8
7 6 5
9
D1
D2
D3
1
S0
8
8
Input Data
4
D0