Hitachi H8/500 Series - Port 1 Pin Functions in Single-Chip Modes

Table 9-4 Port 1 Pin Functions in Single-Chip Modes
Pin Selection of Pin Functions
P1
7 / TMO The function depends on output select bits 3 to 0 (OS3 to OS0) of the 8-bit timer
control/status register (TCSR) and on the P1
7DDR bit as follows:
OS3 to OS0 All four bits are “0” At least one bit is “1”
P1
7DDR0101
Pin function P1
7 input P17 output TMO output
P1
6 / IRQ1 The function depends on the IRQ1E bit and the P16DDR bit as follows:
IRQ
1E0 1
P1
6DDR0101
Pin function P1
6 input P16 output IRQ1 input
P1
5 / IRQ0 The function depends on the IRQ0E bit and the P15DDR bit as follows:
IRQ
0E0 1
P1
5DDR0101
Pin function P1
5 input P15 output IRQ0 input
P1
4
P14DDR 0 1
Pin function Input Output
P1
3
P13DDR 0 1
Pin function Input Output
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