Datasheet

Section 9 I/O Ports
Rev.6.00 Sep. 27, 2007 Page 362 of 1268
REJ09B0220-0600
Pin Selection Method and Pin Functions
P1
0
/PO
8
/TIOCA
0
/
DACK
0
*
2
The pin function is switched as shown below according to the combination of
the TPU channel 0 setting (by bits MD3 to MD0 in TMDR0, bits IOA3 to IOA0
in TIOR0H, and bits CCLR2 to CCLR0 in TCR0), bit NDER8 in NDERH, bit
SAE0
*
2
in DMABCRH, and bit P10DDR.
SAE0
*
2
0 1
TPU Channel
0 Setting
Table
Below (1) Table Below (2) —
P10DDR — 0 1 1 —
NDER8 — — 0 1 —
Pin function TIOCA
0
output
P1
0
input
P1
0
output
PO
8
output
DACK
0
*
2
output
TIOCA
0
input
*
1
TPU Channel
0 Setting (2) (1) (2) (1) (1) (2)
MD3 to MD0 B'0000 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
CCLR2 to
CCLR0
— — — — Other
than
B'001
B'001
Output
function
— Output
compare
output
— PWM
mode 1
output
*
3
PWM
mode 2
output
—
x: Don’t care
Notes: 1. TIOCA
0
input when MD3 to MD0 = B'0000, and IOA3 to IOA0 =
B'10xx.
2. The DMAC and the DACK
0
pin function are not supported in the
H8S/2321.
3. TIOCB
0
output is disabled.