3069RF-ZTAT Datasheet, PDF (957/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

SSOE
Software standby
External bus release
Hardware standby
Reset
R
Q
D
P8 ₁ DDR
C
WP8D
Mode 7
Reset
R
P8_n
Modes 1 to 5
Q
D
P8₁ DR
C
WP8
RP8
[Legend]
WP8D: Write to P8DDR
WP8: Write to port 8
RP8: Read port 8
SSOE: Software standby output port enable
Bus controller
CS₃ output
RAS₃ output
RAS₃ output enable
Area 3 DRAM
connection enable
Interrupt
controller
IRQ₁ input
Figure C.8 (b) Port 8 Block Diagram (Pin P8₁)
Rev. 5.0, 09/04, page 935 of 978