HD6432633 Datasheet, PDF (525/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

10B.6.2 Register Configuration
Table 10B-9 shows the port 9 register configuration. Port 9 is an input-only port, and does not
have a data direction register or data register.
Table 10B-9 Port 9 Registers
Name
Abbreviation
Port 9 register
PORT9
Note: * Lower 16 bits of the address.
R/W Initial Value
R
Undefined
Address*
H'FFB8
Port 9 Register (PORT9): The pin states are always read when a port 9 read is performed.
Bit
:
7
6
5
4
3
2
1
0
P97
P96
P95
P94
P93
P92
P91
P90
Initial value : —*
—*
—*
—*
—*
—*
—*
—*
R/W
:
R
R
R
R
R
R
R
R
Note: * Determined by state of pins P97 to P90.
10B.6.3 Pin Functions
Port 9 pins function as A/D converter analog input pins (AN8 to AN15).
471