HD6432621 Hitachi, HD6432621 Datasheet - Page 1042

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

C.4
998
Port A Block Diagrams
PA0
Legend
WDDRA: Write to PADDR
WDRA:
WODRA: Write to PAODR
WPCRA: Write to PAPCR
RDRA:
RPORA: Read port A
RODRA: Read PAODR
RPCRA: Read PAPCR
Figure C-4 (a) Port A Block Diagram (Pin PA0)
*1
*2
Write to PADR
Read PADR
Notes: *1 Output enable signal
Modes 4 to 6
Address
enable
*2 Open drain control signal
Q
Q
PA0DDR
Q
Q
PA0ODR
PA0PCR
WDDRA
WODRA
WPCRA
PA0DR
WDRA
Reset
Reset
Reset
Reset
R
C
R
C
R
C
R
C
RPCRA
RODRA
RDRA
RPORA
D
D
D
D