HD6432633 Datasheet, PDF (1376/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

C.6 Port A Block Diagram
Reset
R
Q
D
PA0PCR
C
WPCRA
RPCRA
*1
PA0
*2
Modes 4 to 6
Address
enable
Reset
R
Q
D
PA0DDR
C
WDDRA
Reset
R
Q
D
PA0DR
C
WDRA
Reset
R
Q
D
PA0ODR
C
WODRA
RODRA
1322
RDRA
RPORA
Legend
Notes: *1 Output enable signal
WDDRA : Write to PADDR
*2 Open drain control signal
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
Figure C-6 (a) Port A Block Diagram (Pin PA0)