Datasheet
Rev.6.00 Oct.28.2004 page 991 of 1016
REJ09B0138-0600H
R
PAnPCR
C
QD
Reset
WPCRA
Reset
WDRA
R
C
QD
PA
n
RDRA
RODRA
RPORA
Internal data bus
Internal address bus
WDDRA:
WDRA:
WODRA:
WPCRA:
RDRA:
RPORA:
RODRA:
RPCRA:
n = 5 to 7
 Write to PADDR
 Write to PADR
 Write to PAODR
 Write to PAPCR
 Read PADR
 Read port A
 Read PAODR
 Read PAPCR
PAnDR
WDDRA
C
QD
PAnDDR
Reset
WODRA
RPCRA
R
C
QD
PAnODR
*
1
*
2
Mode 7
Mode 4/5/6
Interrupt 
controller
IRQ interrupt 
input
Reset
R
Notes: 1. Output enable signal
2. Open drain control signal
Legend:
Figure C-7 (c) Port A Block Diagram (Pins PA
5
 to PA
7
)










