h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 1140

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Appendix C I/O Port Block Diagrams
C.8
Rev. 5.00 Sep 22, 2005 page 1114 of 1136
REJ09B0257-0500
Port B Block Diagram
Legend:
WDDRB
WDRB
WODRB
WPCRB
RDRB
RPORB
RODRB
RPCRB
PBn
Figure C.8 Port B Block Diagram (Pins PB0 to PB7)
: Write to PBDDR
: Write to PBDR
: Write to PBODR
: Write to PBPCR
: Read PBDR
: Read port B
: Read PBODR
: Read PBPCR
*1
*2
Notes: n = 0 to 7
1. Output enable signal
2. Open drain control signal
Mode 4 to 6
Address
enable
Q
PBnPCR
Q
PBnDDR
Q
Q
PBnODR
WDDRB
WODRB
WPCRB
PBnDR
WDRB
Reset
Reset
Reset
Reset
R
R
C
C
R
C
R
C
RPCRB
RODRB
RDRB
RPORB
D
D
D
D