HD64F2149 Datasheet, PDF (1001/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Hardware
standby
Reset
R
QD
P51DDR
C
WP5D
SCI0
Reset
Input enable
R
P51
QD
P51DR
C
WP5
RP5
WP5D : Write to P5DDR
WP5 : Write to port 5
RP5 : Read port 5
Figure C.16 Port 5 Block Diagram (Pin P51)
Serial receive
data
967