HD6432621 Hitachi, HD6432621 Datasheet - Page 1052

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

C.7
1008
Port D Block Diagram
PDn
Legend
WDDRD: Write to PDDDR
WDRD:
WPCRD: Write to PDPCR
RDRD:
RPORD: Read port D
RPCRD: Read PDPCR
n = 0 to 7
Figure C-7 Port D Block Diagram (Pins PD0 to PD7)
Write to PDDR
Read PDDR
External address
write
Mode 7
Modes 4 to 6
External address
upper write
External address
upper read
Q
Q
Q
PDnPCR
PDnDDR
WDDRD
WPCRD
PDnDR
WDRD
Reset
Reset
Reset
R
C
R
C
R
C
RPCRD
RDRD
RPORD
D
D
D