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Section 8 I/O Ports
Port
Description
Port F
General I/O port
also functioning
as address
outputs
Port H
General I/O port
also functioning
as bi-directional
data bus
Port I
General I/O port
also functioning
as bi-directional
data bus
Notes: 1. Pins without Schmitt-trigger input buffer have CMOS input buffer.
2. Addresses are also output when accessing to the address/data multiplexed I/O space.
Rev.2.00 Jun. 28, 2007 Page 256 of 666
REJ09B0311-0200
Function
Bit
I/O
Input
7
PF7
6
PF6
5
PF5
4
3
2
1
0
2
7
D7*
2
6
D6*
2
5
D5*
2
4
D4*
2
3
D3*
2
2
D2*
2
1
D1*
2
0
D0*
2
7
PI7/D15*
2
6
PI6/D14*
2
5
PI5/D13*
2
4
PI4/D12*
2
3
PI3/D11*
2
2
PI2/D10*
2
1
PI1/D9*
2
0
PI0/D8*
Schmitt-
Trigger
1
Output
Input*
A23/CS4-C/
CS5-C/
CS6-C/
CS7-C
A22/CS6-D
A21/CS5-D
A20
A19
A18
A17
A16
Input
Open-
Pull-up
Drain
MOS
Output
Function
Function
O
O
O
O
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