3069RF-ZTAT Datasheet, PDF (960/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

Reset Modes 1 to 4
Mode 7
Software standby
SSOE
External bus release
SR
Hardware standby
Q
D
P8 ₄ DDR
C
WP8D
Reset
Bus controller
CS ₀
output
R
Mode 7
P84
Modes 1 to 5
Q
D
P8₄ DR
C
WP8
RP8
[Legend]
WP8D: Write to P8DDR
WP8: Write to port 8
RP8: Read port 8
SSOE: Software standby output port enable
Figure C.8 (e) Port 8 Block Diagram (Pin P8₄)
Rev. 5.0, 09/04, page 938 of 978