Datasheet

Section 9 I/O Ports
Rev.4.00 Nov. 02, 2005 Page 113 of 304
REJ09B0143-0400
P80/FTCI pin
Register PCR8
Bit Name PCR80 Pin Function
Setting Value 0 P80 input/FTCI input pin
1 P80 output/FTCI input pin
9.6 Port B
Port B is an input port also functioning as an A/D converter analog input pin. Each pin of the port
B is shown in figure 9.6.
PB3/AN3
PB2/AN2
PB1/AN1
PB0/AN0
Port B
Figure 9.6 Port B Pin Configuration
Port B has the following register.
• Port data register B (PDRB)