HD6473032F Datasheet, PDF (547/572 Pages) Hitachi Semiconductor – Hitachi Microcomputer

Appendix C I/O Port Block Diagrams
C.1 Port 1 Block Diagram
Software standby Mode 2/3
Hardware standby
Mode 2/3
P1_n
Mode 1
Mode 1/2/3 Reset
R
Q
D
P1_nDDR
C
*
WP1D
Reset
R
Q
D
P1_nDDR
C
WP1
RP1
WP1D: Write to P1DDR
WP1: Write to port 1
RP1: Read port 1
n = 0 to 7
*:
Set priority
Figure C-1 Port 1 Block Diagram
532