Datasheet

Table Of Contents
Section 9 I/O Ports
Page 230 of 846 REJ09B0140-0900 Rev. 9.00
Sep 16, 2010
H8S/2215 Group
Table 9.1 Port Functions (2)
Port Description Modes 4 and 5 Mode 6 Mode 7
*
1
Input/Output
Type
Port 7 General I/O port
also functioning
as bus control
output pins,
manual reset
input pin, and 8-
bit timer I/O
P74/MRES
P73/TMO1/CS7
P72/TMO0/CS6
*
2
P71/CS5
P70/TMRI01/TMCI01/CS4
P74/MRES
P73/TMO1
P72/TMO0
P71
P70/TMRI01/TMCI01
Port 9 General I/O port
also functioning
as D/A converter
analog outputs
and A/D
converter analog
input
P97/AN15/DA1
P96/AN14/DA0
Port A General I/O port
also functioning
as SCI_2 I/O
pins, address
output pins, and
external USB
transceiver output
PA3/A19/SCK2/SUSPND
PA2/A18/RxD2
PA1/A17/TxD2
PA0/A16
PA3/SCK2
PA2/RxD2
PA1/TxD2
PA0
Built-in input
pull-up MOS
Open-drain
output
Port B General I/O port
also functioning
as address output
pins
PB7/A15
PB6/A14
PB5/A13
PB4/A12
PB3/A11
PB2/A10
PB1/A9
PB0/A8
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
Built-in input
pull-up MOS
A7 When DDR = 0: PC7
When DDR = 1: A7
*
2
PC7
Port C General I/O port
also functioning
as address output
pins
A6 When DDR = 0: PC6
When DDR = 1: A6
*
2
PC6
Built-in input
pull-up MOS
A5 When DDR = 0: PC5
When DDR = 1: A5
*
2
PC5
Notes: 1. The USB may be unusable in mode 7 in some cases. See section 3, MCU Operating
Modes, for details.
2. CS6 and A7 to A0 should be designated as an output when on-chip USB is used in
mode 6.