r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 588
r4f2456
Manufacturer Part Number
r4f2456
Description
16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R4F2456.pdf
(1376 pages)
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Section 10 I/O Ports
10.6
Note: Port 6 is not supported in the H8S/2454 Group.
Port 6 is a 6-bit I/O port that also has other functions. Port 6 has the following registers. For the
port function control registers, refer to section 10.18, Port Function Control Registers.
• Port 6 data direction register (P6DDR)
• Port 6 data register (P6DR)
• Port 6 register (PORT6)
• Port 6 open drain control register (P6ODR)
• Port function control register 3 (PFCR3)
10.6.1
The individual bits of P6DDR specify input or output for the pins of port 6. P6DDR cannot be
read; if it is, an undefined value will be read.
Rev. 1.00 Sep. 19, 2008 Page 558 of 1342
REJ09B0467-0100
Bit
7, 6
5
4
3
2
1
0
Bit Name
P65DDR
P64DDR
P63DDR
P62DDR
P61DDR
P60DDR
Port 6
Port 6 Data Direction Register (P6DDR)
Initial Value
All 0
0
0
0
0
0
0
R/W
W
W
W
W
W
W
Description
Reserved
When a pin function is specified as a general
purpose I/O, setting this bit to 1 makes the
corresponding pin an output port, while clearing this
bit to 0 makes the corresponding pin an input port.
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