I/O Port; I/O Port Memory Map - Epson E0C6001 Technical Manual

I/O port memory
map
Table 3.4.1 I/O memory map
Address
D3
P03
0F6H
0
0FCH
*1 Initial value following initial reset
*2 Not set in the circuit
*3 Undefined
*4 Reset (0) immediately after being read
*5 Always 0 when being read
*6 Refer to main manual

3.4 I/O Port

Register
D2 D1 D0 Name
P02 P01 P00 P03
P02
R/W
P01
P00
0 0 IOC 0
0
R R/W
0
IOC
CHAPTER 3: PERIPHERAL CIRCUITS (I/O Port)
SR *1 1 0
*2
High Low
–
*2
– High Low
*2
High Low
–
*2
– High Low
*5
*5
*5
Output Input
0
Comment
I/O port (P00–P03)
I/O port P00–P03 Input/Output
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