3069RF-ZTAT Datasheet, PDF (306/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

Table 8.15 Port 8 Pin Functions in Mode 7
Pin
P8
4
P8 /IRQ /ADTRG
3
3
Pin Functions and Selection Method
Bit P8 DDR selects the pin function as follows.
4
P8 DDR
0
4
Pin function
P8 input
4
Bit P8 DDR selects the pin function as follows.
3
P8 DDR
0
3
Pin function
P8 input
3
P8 /IRQ
2
2
P8 /IRQ
1
1
P8 /IRQ
0
0
Bit P8 DDR selects the pin function as follows.
2
P8 DDR
0
2
Pin function
P8 input
2
Bit P8 DDR selects the pin function as follows.
1
P8 DDR
0
1
Pin function
P8 input
1
Bit P8 DDR select the pin function as follows.
0
P8 DDR
0
0
Pin function
P8 input
0
1
P8 output
4
IRQ input
3
ADTRG input
1
P8 output
3
IRQ input
2
1
P8 output
2
IRQ input
1
1
P8 output
1
IRQ input
0
1
P8 output
0
Rev. 5.0, 09/04, page 284 of 978