Datasheet

Section 7 I/O Ports
Rev. 3.00 Sep. 28, 2009 Page 169 of 910
REJ09B0350-0300
(2) PB6/CTS
The pin function is switched as shown below according to the PB6DDR bit.
Setting
I/O Port
Module
Name
Pin Function
PB6DDR
I/O port PB6 output 1
PB6 input
(initial setting)
0
(3) PB5/DTR
The pin function is switched as shown below according to the combination of the SCIFE bit in
HICR5 of LPC and the PB5DDR bit.
Setting
SCIF I/O Port
Module
Name
Pin Function
DTR_OE PB5DDR
SCIF DTR output 1 ⎯
I/O port PB5 output 0 1
PB5 input
(initial setting)
0 0
(4) PB4/DSR
The pin function is switched as shown below according to the state of the PB4DDR bit.
Setting
I/O Port
Module
Name
Pin Function PB4DDR
I/O port PB4 output 1
PB4 input
(initial setting)
0