Datasheet

Appendix C I/O Port Block Diagrams
Rev. 4.00 Jun 06, 2006 page 966 of 1004
REJ09B0301-0400
C.2 Port 2 Block Diagrams
R
QD
D
P2nPCR
C
Reset
R
QD
P2nDR
C
Reset
WP2P
R
Q
P2nDDR
C
Reset
WP2D
WP2
8-bit PWM
PWM output enable
PWM output
P2n
RP2P
RP2
Mode 2, 3
Mode 1
EXPE
Legend:
WP2P: Write to P2PCR
WP2D: Write to P2DDR
WP2: Write to port 2
RP2P: Read P2PCR
RP2: Read port 2
Note: n = 0 to 3
Internal data bus
Internal address bus
Hardware
standby
Mode 1
Figure C.2 Port 2 Block Diagram (Pins P20 to P23)