Appendix C I/O Port Block Diagrams; Port 1 Block Diagram; Figure C.1 Port 1 Block Diagram - Hitachi H8/3062 Hardware Manual

Appendix C I/O Port Block Diagrams

C.1

Port 1 Block Diagram

Hardware standby
P1
n
WP1D : Write to P1DDR
WP1 : Write to port 1
RP1 : Read port 1
SSOE : Software standby output port enable
n = 0 to 7
896
Software
SSOE
standby
Mode 6/7
External bus
released
Mode 6/7
Mode
1 to 5

Figure C.1 Port 1 Block Diagram

Mode 1 to 4
Q
P1 DDR
n
C
WP1D
Q
P1 DR
n
C
WP1
RP1
Reset
R
D
Reset
R
D