HD64F3028F25 Datasheet, PDF (899/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

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
Note: In modes 6 and 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. 2.00, 09/03, page 867 of 890