h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 1020

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

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