Datasheet

Section 10 I/O Ports
Rev. 3.00 Mar 17, 2006 page 449 of 926
REJ09B0283-0300
P24/PO4/TIOCA4/IRQ12
The pin function is switched as shown below according to the combination of the TPU channel
4 settings (by bits MD3 to MD0 in TMDR4 and bits IOA3 to IOA0 in TIOR4), bit NDER4 in
NDERL, bit P24DDR, and bit ITS12 in ITSR.
TPU channel 4
settings
(1) in table
below
(2) in table below
P24DDR 0 1 1
NDER4 0 1
P24 input P24 output PO4 outputTIOCA4 output
TIOCA4 input
*
1
Pin function
IRQ12 interrupt input
*
2
Notes: 1. TIOCA4 input when MD3 to MD0 = B'0000 or B'01xx and IOA3 to IOA0 = B'10xx.
2. IRQ12 input when ITS12 = 1.
TPU channel 4
settings
(2) (1) (2) (1) (1) (2)
MD3 to MD0 B'0000, B'01xx B'001x B'0010 B'0011
IOA3 to IOA0 B'0000
B'0100
B'1xxx
B'0001 to B'0011
B'0101 to B'0111
B'xx00 Other
than
B'xx00
Other than B'xx00
CCLR1, CCLR0 Other
than
B'01
B'01
Output function Output compare
output
—PWM
*
3
mode 1
output
PWM
mode 2
output
x: Don’t care
Note: 3. TIOCB4 output disabled.