9.8.2 Register Description
Table 9-12 summarizes the port 7 register. Port 7 is an input-only port, so it has no data direction
register.
Table 9-12 Port 7 Data Register
Address
*
Name
Abbreviation
R/W
Initial Value
H'FFCE
Port 7 data register
P7DR
R
Undetermined
Note:
*
Lower 16 bits of the address.
Port 7 Data Register (P7DR)
When port 7 is read, the pin levels are always read.
Bit
Initial value
Read/Write
0
P7
—
R
*
Note:
*
0
1
P7
—
R
*
1
2
P7
—
R
*
2
3
P7
—
R
*
3
4
P7
—
R
*
4
5
P7
—
R
*
5
6
P7
—
R
*
6
7
P7
—
R
*
7
7
0
Determined by pins P7 to P7 .
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