Datasheet

Rev.6.00 Oct.28.2004 page 990 of 1016
REJ09B0138-0600H
R
PA4PCR
C
QD
Reset
WPCRA
Reset
WDRA
R
C
QD
PA
4
RDRA
RODRA
RPORA
Internal data bus
Internal address bus
WDDRA:
WDRA:
WODRA:
WPCRA:
RDRA:
RPORA:
RODRA:
RPCRA:
Write to PADDR
Write to PADR
Write to PAODR
Write to PAPCR
Read PADR
Read port A
Read PAODR
Read PAPCR
PA4DR
Reset
WDDRA
R
Mode
4/5
C
QD
PA4DDR
Reset
WODRA
RPCRA
R
C
QD
PA4ODR
*
1
*
2
Mode 7
Mode 4/5/6
Interrupt
controller
IRQ interrupt
input
Notes: 1. Output enable signal
2. Open drain control signal
Legend:
Figure C-7 (b) Port A Block Diagram (Pin PA
4
)