Table 9.1 Port Functions (2) - Hitachi H8S/2215 Series Hardware Manual

Table 9.1 Port Functions (2)
Port Description
Port 7 General I/O port
also functioning
as bus control
output pins,
manual reset
input pin, and 8-
bit timer I/O
Port 9 General I/O port
also functioning
as D/A converter
analog outputs
and A/D
converter analog
input
Port A General I/O port
also functioning
as SCI_2 I/O
pins, address
output pins, and
external USB
transceiver output
Port B General I/O port
also functioning
as address output
pins
Port C General I/O port
also functioning
as address output
pins
Notes: *1 On-chip USB cannot be used in mode 7.
*2 CS6 and A7 to A0 should be designated as an output when on-chip USB is used in
mode 6.
Rev. 3.0, 10/02, page 218 of 686
Modes 4 and 5 Mode 6
P74/MRES
P73/TMO1/CS7
2
P72/TMO0/CS6*
P71/CS5
P70/TMRI01/TMCI01/CS4
P97/AN15/DA1
P96/AN14/DA0
PA3/A19/SCK2/SUSPND
PA2/A18/RxD2
PA1/A17/TxD2
PA0/A16
PB7/A15
PB6/A14
PB5/A13
PB4/A12
PB3/A11
PB2/A10
PB1/A9
PB0/A8
A7 When DDR = 0: PC7
When DDR = 1:
A7*
A6 When DDR = 0: PC6
When DDR = 1:
A6*
A5 When DDR = 0: PC5
When DDR = 1:
A5*
Mode 7*
P74/MRES
P73/TMO1
P72/TMO0
P71
P70/TMRI01/TMCI01
PA3/SCK2
PA2/RxD2
PA1/TxD2
PA0
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
PC7
2
PC6
2
PC5
2
Input/Output
1
Type
Built-in input
pull-up MOS
Open-drain
output
Built-in input
pull-up MOS
Built-in input
pull-up MOS