HD6473032F Datasheet, PDF (164/572 Pages) Hitachi Semiconductor – Hitachi Microcomputer

Table 7-12 Port 8 Pin Functions
Pin
P8₃/IRQ₃
P8₂/IRQ₂
P8₁/IRQ₁
P8₀/IRQ₀
Pin Functions and Selection Method
Bit P8₃DDR selects the pin function as follows
P8₃DDR
Pin function
0
P8₃ input
1
Mode 1
Modes 2 and 3
Illegal setting
IRQ₃ input
P8₃ output
Bit P8₂DDR selects the pin function as follows
P8₂DDR
Pin function
0
P8₂ input
1
Mode 1
Modes 2 and 3
Illegal setting
IRQ₂ input
P8₂ output
Bit P8₁DDR selects the pin function as follows
P8₁DDR
Pin function
0
P8₁ input
1
Mode 1
Modes 2 and 3
Illegal setting
IRQ₁ input
P8₁ output
Bit P8₀DDR selects the pin function as follows
P8₀DDR
Pin function
0
P8₀ input
IRQ₀ input
1
P8₀ output
149