Datasheet

Section 8 I/O Ports
Rev. 6.00 Aug 04, 2006 page 252 of 680
REJ09B0145-0600
8.13 Port C
8.13.1 Overview
Port C is a 4-bit input-only port, configured as shown in figure 8.12.
PC
3
/AN
11
PC
2
/AN
10
PC
1
/AN
9
PC
0
/AN
8
Port C
Figure 8.12 Port C Pin Configuration
8.13.2 Register Configuration and Description
Table 8.33 shows the port C register configuration.
Table 8.33 Port C Register
Name Abbr. R/W Address
Port data register C PDRC R H'FFDF
1. Port Data Register C (PDRC)
Bit
Read/Write
7
—
—
6
—
—
5
—
—
4
—
—
3
PC
3
R
0
PC
0
R
2
PC
2
R
1
PC
1
R
Reading PDRC always gives the pin states.