HD6432621 Hitachi, HD6432621 Datasheet - Page 1054

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

C.9
1010
PF0
Port F Block Diagrams
Legend
WDDRF: Write to PFDDR
WDRF:
RDRF:
RPORF: Read port F
Write to PFDR
Read PFDR
Figure C-9 (a) Port F Block Diagram (Pin PF0)
Modes 4 to 6
Q
Q
PF0DDR
WDDRF
PF0DR
WDRF
Reset
Reset
R
C
R
C
RDRF
RPORF
D
D
Bus controller
BRLE bit
Bus request input
IRQ interrupt input