Datasheet

Section 8 I/O Ports
Rev.7.00 Dec. 24, 2008 Page 213 of 698
REJ09B0074-0700
Port Description Modes 4 and 5 Mode 6 Mode 7
Input/Output
Type
8-bit bus mode: PE7
16-bit bus mode: D7
PE7
8-bit bus mode: PE6
16-bit bus mode: D6
PE6
8-bit bus mode: PE5
16-bit bus mode: D5
PE5
8-bit bus mode: PE4
16-bit bus mode: D4
PE4
8-bit bus mode: PE3
16-bit bus mode: D3
PE3
Port E General I/O port
also functioning as
data bus I/O pins
8-bit bus mode: PE2
16-bit bus mode: D2
PE2
On-chip input
pull-up MOS
8-bit bus mode: PE1
16-bit bus mode: D1
PE1
8-bit bus mode: PE0
16-bit bus mode: D0
PE0
Port F When DDR = 0: PF7
When DDR = 1 (after
reset): φ
When DDR = 0
(after reset): PF7
When DDR = 1: φ
Schmitt trigger
input
(IRQ3, IRQ2)
AS PF6
RD PF5
General I/O port
also functioning as
bus control signal
I/O pins and
interrupt input pins
HWR PF4
8-bit bus mode:
PF3/ADTRG/IRQ3
16-bit bus mode: LWR
PF3/ADTRG/IRQ3
When WAITE = 0
(after reset): PF2
When WAITE = 1:
WAIT
PF2
When BRLE = 0
(after reset): PF1
When BRLE = 1:
BACK
PF1
When BRLE = 0
(after reset): PF0/IRQ2
When BRLE = 1:
BREQ/IRQ2
PF0/IRQ2