Hitachi H8S/2646 Hardware Manual page 250

Port Description
Port 3 • 8-bit I/O
P37
port
P36
• Open-drain
P35/SCK1/IRQ5
output
P34/RxD1
capability
P33/TxD1
P32/SCK0/IRQ4
P31/RxD0
P30/TxD0
Port 4 • 8-bit input
P47/AN7
port
P46/AN6
P45/AN5
P44/AN4
P43/AN3
P42/AN2
P41/AN1
P40/AN0
Port 5 • 3-bit I/O
P52/SCK2
port
P51/RxD2
P50/TxD2
Port 9 • 8-bit input
P97
port
P96
P95
P94
P93/AN11
P92/AN10
P91/AN9
P90/AN8
Port A • 8-bit I/O
PA7/A23/SEG40
port
PA6/A22/SEG39
• Built-in
PA5/A21/SEG38
MOS input
PA4/A20/SEG37
pull-up
PA3/A19/COM4
• Open-drain
PA2/A18/COM3
output
capability
PA1/A17/COM2
PA0/A16/COM1
218
Pins Mode 4
SCI (channels 0, 1) I/O pins (TxD0, RxD0, SCK0, TxD1, RxD1,
SCK1), interrupt input pins (IRQ4, IRQ5), and 8-bit I/O port
A/D converter analog input (AN7 to AN0) and 8-bit input port
SCI (channel 2) I/O pins (SCK2, RxD2, TxD2) and 3-bit I/O port
A/D converter analog input (AN11 to AN8) and 8-bit input port
LCD segment and common output (SEG37 to
SEG40, COM1 to COM4), address output (A23
to A16), and 8-bit I/O port
Mode 5 Mode 6 Mode 7
LCD segment
and common
output (SEG37
to SEG40,
COM1 to
COM4) and 8-
bit I/O port