Hitachi H8S/2646 Hardware Manual page 1126

P52
Legend
WDDR5
: Write to P5DDR
WDR5
: Write to P5DR
RDR5
: Read P5DR
RPOR5
: Read port 5
Figure C-5 (d) Port 5 Block Diagram (Pin P52) (H8S/2648, H8S/2648R, H8S/2647)
1094
*
Note: * Priority order: Serial clock output > DR output
Reset
R
Q D
P52DDR
C
WDDR5
Reset
R
Q D
P52DR
C
WDR5
SCI module
Serial clock
output enable
Serial clock
output SCK2
Serial clock
input enable
RDR5
RPOR5
Serial clock
input SCK2