HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 831

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

C.1 Port 1 Block Diagram
WP1D:
WP1:
RP1:
n = 0 to 7
P1
n
Write to P1DDR
Write to port 1
Read port 1
Hardware standby
Appendix C I/O Port Block Diagrams
External bus
released
Software
standby Mode 7
Mode 7
Figure C-1 Port 1 Block Diagram
Mode
1 to 6
824
Mode 1 to 4
RP1
Q
Q
P1 DDR
P1 DR
WP1D
WP1
n
C
C
n
Reset
Reset
R
R
D
D