HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 782

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Appendix C I/O Port Block Diagrams
Rev.3.00 Mar. 26, 2007 Page 740 of 772
REJ09B0355-0300
Legend:
WDDR3
WDR3
WODR3
RDR3
RPOR3
RODR3
Notes: n = 4 or 5
P3
n
1. Priority order: Serial clock input > serial clock output > DR output
2. Output enable signal
3. Open drain control signal
: Write to P3DDR
: Write to P3DR
: Write to P3ODR
: Read P3DR
: Read port 3
: Read P3ODR
*
*
2
3
Figure C.3 (c) Port 3 Block Diagram (Pins P3
*
1
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
Interrupt controller
5
Serial clock output
enable
Serial clock output
Serial clock input
enable
Serial clock input
IRQ interrupt input
)