Datasheet

Section 8 I/O Ports
Rev.7.00 Dec. 24, 2008 Page 214 of 698
REJ09B0074-0700
Port Description Modes 4 and 5 Mode 6 Mode 7
Input/Output
Type
Port G When DDR = 0 (after reset in mode 6):
PG4
When DDR = 1 (after reset in modes 4, 5):
CS0
PG4 Schmitt trigger
input
(IRQ7)
General I/O port
also functioning
as bus control
output pins and
interrupt Input
pins
When DDR = 0: PG3
When DDR = 1: CS1
PG3
When DDR = 0: PG2
When DDR = 1: CS2
PG2
When DDR = 0: PG1/IRQ7
When DDR = 1: CS3/IRQ7
PG1/IRQ7
Table 8.2 Port Functions of H8S/2212 Group
Port Description Mode 7
Input/Output
Type
Port 1 General I/O port
also functioning
as TPU I/O pins
and interrupt
input pins
P17/TIOCB2/TCLKD
P16/TIOCA2/IRQ1
P15/TIOCB1/TCLKC
P14/TIOCA1/IRQ0
P13/TIOCD0/TCLKB
P12/TIOCC0/TCLKA
P11/TIOCB0
P10/TIOCA0
Schmitt trigger
input
(IRQ1, IRQ0)
Port3 General I/O port
also functioning
as SCI_0 I/O pins
and interrupt
input pins
P36
P32/SCK0/IRQ4
P31/RxD0
P30/TxD0
Open-drain
output
Schmitt trigger
input
(IRQ4)
Port 4 General input
port also
functioning as
A/D converter
analog input pins
P43/AN3
P42/AN2
P41/AN1
P40/AN0
Port 7 General I/O port P77*
P76*
P75*
Port 9 General input
port also
functioning as
A/D converter
analog input pins
P97/AN15
P96/AN14