Datasheet

Section 10 I/O Ports
Rev. 3.00 Mar 17, 2006 page 431 of 926
REJ09B0283-0300
Modes 3
*
1
, 7
Port Description
Modes 1
and 5
Modes 2
and 6
Mode 4
EXPE = 1 EXPE = 0
Input/
Output
Type
Port
D
General I/O port
also functioning
as data I/Os
D15
D14
D13
D12
D11
D10
D9
D8
D15
D14
D13
D12
D11
D10
D9
D8
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
Built-in
input pull-
up MOS
Port
E
General I/O port
also functioning
as data I/Os
D7
D6
D5
D4
D3
D2
D1
D0
PE7/D7
PE6/D6
PE5/D5
PE4/D4
PE3/D3
PE2/D2
PE1/D1
PE0/D0
PE7/D7
PE6/D6
PE5/D5
PE4/D4
PE3/D3
PE2/D2
PE1/D1
PE0/D0
PE7/D7
PE6/D6
PE5/D5
PE4/D4
PE3/D3
PE2/D2
PE1/D1
PE0/D0
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
Built-in
input pull-
up MOS
PF7/φ
PF6/AS
RD
HWR
PF3/LWR
PF7/φ
PF6/AS
RD
HWR
PF3/LWR
PF7/φ
PF6
PF5
PF4
PF3
PF2/LCAS/DQML
*
2
/IRQ15 PF2/LCAS/
DQML
*
2
/IRQ15
PF2/IRQ15
PF1/UCAS/DQMU
*
2
/IRQ14 PF1/UCAS/
DQMU
*
2
/IRQ14
PF1/IRQ14
Port
F
General I/O port
also functioning
as interrupt inputs
and bus control
I/Os
PF0/WAIT PF0/WAIT PF0
Only PF1
and PF2
are
Schmitt-
triggered
inputs
when
used as
the IRQ
input
Port
G
General I/O port
also functioning
as bus control
I/Os
PG6/BREQ
PG5/BACK
PG4/BREQO
PG3/CS3/RAS3/CAS
*
2
PG2/CS2/RAS2/RAS
*
2
PG1/CS1
PG0/CS0
PG6/BREQ
PG5/BACK
PG4/BREQO
PG3/CS3/RAS3/
CAS
*
2
PG2/CS2/RAS2/
RAS
*
2
PG1/CS1
PG0/CS0
PG6
PG5
PG4
PG3
PG2
PG1
PG0