r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 583
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r4f2426
Manufacturer Part Number
r4f2426
Description
16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R4F2426.pdf
(1302 pages)
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10.4
Port 4 is an 8-bit input-only port that also has other functions, such as analog input pins. Port 4 has
the following register.
• Port 4 register (PORT4)
10.4.1
PORT4 is an 8-bit read-only register that shows the pin states of port 4. PORT4 cannot be
modified.
Note:
10.4.2
Port 4 also functions as the pins for A/D converter analog inputs and interrupt inputs (the
H8S/2424 Group). The correspondence between pins is as follows.
(1)
• P40/AN0_0, P41/AN1_0, P42/AN2_0, P43/AN3_0, P44/AN4_0, P45/AN5_0, P46/AN6_0,
Pin function
Legend:
n = 7 to 0
Bit
7
6
5
4
3
2
1
0
P47/AN7_0
Pin Functions of H8S/2426 Group and H8S/2426R Group
Bit Name
P47
P46
P45
P44
P43
P42
P41
P40
*
Port 4
Port 4 Register (PORT4)
Pin Functions
Determined by the states of pins P47 to P40.
*
*
*
*
*
*
*
*
Initial Value
R/W
R
R
R
R
R
R
R
R
Description
The pin states are always read from this register.
ANn_0 input
Rev. 1.00 Sep. 19, 2008 Page 555 of 1270
Section 10 I/O Ports
REJ09B0466-0100
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