Appendix C I/O Port Block Diagrams; Port 1; Port 2 - Renesas H8S/2319 series Hardware Manual

Appendix C I/O Port Block Diagrams

C.1

Port 1

P1n
WDDR1: Write to P1DDR
WDR1: Write to P1DR
RDR1: Read P1DR
RPOR1: Read port 1
AmE: Address m enable
n = 0 or 1
m = 20 or 21
Figure C-1(a) Port 1 Block Diagram (Pins P10 and P11)
Reset
R
Q D
P1nDDR
C
WDDR1
Reset
R
Q D
P1nDR
C
WDR1
Modes 4 to 6
RDR1
RPOR1
Rev. 5.00, 12/03, page 1051 of 1088
Bus controller
AmE bit
TPU module
Output compare output/
PWM output enable
Output compare output/
PWM output
Input capture input