HD6432621 Hitachi, HD6432621 Datasheet - Page 1045

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

PA3
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 (d) Port A Block Diagram (Pin PA3)
*1
*2
Write to PADR
Read PADR
SCK input
enable
SCK input
SCK output
Modes 4 to 6
Address
enable
SCK output
enable
Notes: *1 Output enable signal
*2 Open drain control signal
Q
Q
Q
Q
PA3DDR
PA3ODR
PA3PCR
WPCRA
WDDRA
WODRA
PA3DR
WDRA
Reset
Reset
Reset
Reset
R
R
C
C
R
C
R
C
RPCRA
RODRA
RDRA
RPORA
D
D
D
D
1001