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| HD64F3028F25 Datasheet, PDF (898/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series | |||
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Hardware standby
External bus release
SSOE
Software standby
Reset
R
Q
D
PB4 DDR
C
WPBD
Reset
TPC
R
TPC output
enable
PB4
Q
D
PB 4 DR
Next data
C
WPB
Output trigger
Bus controller
Output enable
CAS output
RPB
WPBD: Write to PBDDR
WPB: Write to port B
RPB: Read port B
SSOE: Software standby output port enable
Note: In modes 6 and 7, CAS output enable is fixed at 0.
Figure C.11 (e) Port B Block Diagram (Pin PB4)
Rev. 2.00, 09/03, page 866 of 890
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