Hitachi H8S/2633 Hardware Manual page 1131

C.4 Port 7 Block Diagram
P7n
Legend
WDDR7 : Write to P7DDR
WDR7 : Write to P7DR
RDR7 : Read P7DR
RPOR7 : Read port 7
n= 0 or 1
Figure C-4 (a) Port 7 Block Diagram (Pins P70 and P71)
Mode 7
Mode 4 to 6
Reset
R
Q D
P7nDDR
C
WDDR7
Reset
R
Q D
P7nDR
C
WDR7
Bus controller
Chip select
RDR7
RPOR7
DMA controller
DMA request input
8-bit timer
Reset/Count input
1119