Datasheet

Appendix C I/O Port Block Diagrams
Rev.6.00 Sep. 27, 2007 Page 1243 of 1268
REJ09B0220-0600
C.8 Port B
R
PBnPCR
C
QD
Reset
WPCRB
Reset
WDRB
R
C
QD
PB
n
RDRB
RPORB
Internal address bus
PBnDR
Reset
WDDRB
R
C
QD
PBnDDR
RPCRB
Mode 7
Modes 4 to 6
Legend:
WDDRB: Write to PBDDR
WDRB: Write to PBDR
WPCRB: Write to PBPCR
RDRB: Read PBDR
RPORB: Read port B
RPCRB: Read PBPCR
Note: n = 0 to 7
Internal data bus
Modes
4 and 5
Modes 6 and 7
Figure C.8 Port B Block Diagram (Pins PB
0
to PB
7
)