HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 1258

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Appendix C I/O Port Block Diagrams
Rev.6.00 Sep. 27, 2007 Page 1228 of 1268
REJ09B0220-0600
P3
n
Legend:
WDDR3: Write to P3DDR
WDR3:
WODR3: Write to P3ODR
RDR3:
RPOR3: Read port 3
RODR3: Read P3ODR
Notes: n = 4 or 5
*1
*2
1. Output enable signal
2. Open drain control signal
Figure C.3 (c) Port 3 Block Diagram (Pins P3
Write to P3DR
Read P3DR
Q
Q
Q
P3nODR
P3nDDR
WDDR3
WODR3
P3nDR
WDR3
Reset
Reset
Reset
R
C
R
C
R
C
RODR3
RDR3
RPOR3
D
D
D
4
and P3
SCI module
Serial clock output
enable
Serial clock output
Serial clock input
enable
Serial clock
input
5
)