HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 277

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

Port 4 Register (PORT4)
PORT4 is an 8-bit read-only register that shows port 4 pin states. PORT4 cannot be modified.
Bits 7 to 4 are reserved; they return an undetermined value if read.
8.5.3
Port 4 pins also function as A/D converter analog input pins (AN0 to AN3).
Bit
Initial value
R/W
Note: * Determined by state of pins P4
Pin Functions
:
:
:
Undefined
—
—
7
Undefined
—
—
6
Undefined
—
—
5
3
to P4
Undefined
0
.
—
—
4
Rev.3.00 Mar. 26, 2007 Page 235 of 772
P43
—*
R
3
P42
—*
R
2
Section 8 I/O Ports
REJ09B0355-0300
P41
—*
R
1
P40
—*
R
0