Datasheet

Section 8 I/O Ports
Rev.7.00 Dec. 24, 2008 Page 226 of 698
REJ09B0074-0700
Table 8.20 P32 Pin Function
CKE1 in SCR_0 0 1
C/A in SMR_0 0 1 ⎯
CKE0 in SCR_0 0 1 ⎯ ⎯
P32DDR 0 1 ⎯ ⎯ ⎯
P32 input pin P32 output pin SCK0 output pin SCK0 output pin SCK0 input pin Pin Function
IRQ4 input pin*
Note: * When this pin is used as an external interrupt pin, this pin must not be used for another
function.
Table 8.21 P31 Pin Function
RE in SCR_0 0 1
P31DDR 0 1 ⎯
Pin Function P31 input pin P31 output pin RxD0 input pin
Table 8.22 P30 Pin Function
TE in SCR_0 0 1
P30DDR 0 1 ⎯
Pin Function P30 input pin P30 output pin TxD0 output pin