HD6432633 Datasheet, PDF (1422/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

Reset
R
Q
D
PA2PCR
C
WPCRA
RPCRA
RxD input
enable
*1
PA2
*2
Modes 4 to 6
Address
enable
Reset
R
QD
PA2DDR
C
WDDRA
Reset
R
QD
PA2DR
C
WDRA
Reset
R
QD
PA2ODR
C
WODRA
RODRA
1368
RDRA
RxD input
RPORA
Legend
WDDRA : Write to PADDR
WDRA : Write to PADR
WODRA : Write to PAODR
WPCRA : Write to PAPCR
RDRA : Read PADR
RPORA : Read port A
RODRA : Read PAODR
RPCRA : Read PAPCR
Notes: *1 Output enable signal
*2 Open drain control signal
Figure C-18 (c) Port A Block Diagram (Pin PA2)