3069RF-ZTAT Datasheet, PDF (963/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

Reset
R
Hardware standby
Q
D
P9 ₂ DDR
C
SCI
WP9D
Reset
Input enable
R
P92
Q
D
P9 ₂ DR
C
WP9
RP9
[Legend]
WP9D: Write to P9DDR
WP9: Write to port 9
RP9: Read port 9
Figure C.9 (c) Port 9 Block Diagram (Pin P9₂)
Serial receive
data
Rev. 5.0, 09/04, page 941 of 978