h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 1024

• 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.4
Rev. 4.00 Jun 06, 2006 page 970 of 1004
REJ09B0301-0400
P40
Port 4 Block Diagrams
Legend:
WP4D: Write to P4DDR
WP4:
RP4:
Write to port 4
Read port 4
Figure C.6 Port 4 Block Diagram (Pin P40)
Hardware
standby
RP4
Q
Q
P40DDR
P40DR
WP4D
Reset
Reset
WP4
R
C
R
C
D
D
SCI2
8-bit timer 0
TxD2/IrTxD
Transmit enable
Counter clock input