HD643303x Hitachi, HD643303x Datasheet - Page 160

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

7.7.2 Register Description
Table 7-10 summarizes the port 7 register. Port 7 is an input-only port, so it has no data direction
register.
Table 7-10 Port 7 Data Register
Address*
H'FFCE
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
Note: *
Determined by pins P7 to P7 .
Name
Port 7 data register
P7
—
R
7
*
7
P7
—
R
6
*
7
6
0
P7
—
R
5
*
5
145
P7
—
R
4
*
4
Abbreviation
P7DR
P7
—
R
3
*
3
P7
—
R
2
*
2
R/W
R
P7
—
R
1
*
1
Initial Value
Undetermined
P7
—
R
0
*
0