Datasheet

Appendix C I/O Port Block Diagrams
Rev.6.00 Sep. 27, 2007 Page 1239 of 1268
REJ09B0220-0600
R
P6nDDR
C
QD
Reset
WDDR6
Reset
WDR6
R
P6nDR
C
QD
P6
n
RDR6
RPOR6
Bus controller
Chip select
IRQm interrupt input
Legend:
WDDR6: Write to P6DDR
WDR6: Write to P6DR
RDR6: Read P6DR
RPOR6: Read port 6
CS167E: CS167 enable
Note: n = 6 or 7
m = 2 or 3
Mode 7
Modes
4 to 6
Internal data bus
CS167E
Figure C.6 (f) Port 6 Block Diagram (Pins P6
6
and P6
7
)