3069RF-ZTAT Datasheet, PDF (975/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

Hardware
standby
PB5
External bus release
Software standby
SSOE
Reset
R
Q
D
PB5DDR
C
WPBD
Reset
R
Q
D
PB5DR
C
WPB
SCI
Clock input
enable
TPC
TPC output enable
Next data
Output trigger
Bus controller
CAS output enable
CAS output
SCI
Clock output
enable
Clock output
RPB
Clock input
[Legend]
Note: In mode 7, CAS output enable is fixed at 0.
WPBD: Write to PBDDR
WPB: Write to port B
RPB: Read port B
SSOE: Software standby output port enable
Figure C.11 (f) Port B Block Diagram (Pin PB₅)
Rev. 5.0, 09/04, page 953 of 978