Datasheet

Section 9 I/O Ports
Rev.6.00 Sep. 27, 2007 Page 361 of 1268
REJ09B0220-0600
Pin Selection Method and Pin Functions
P1
1
/PO
9
/TIOCB
0
/
DACK
1
*
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 IOB3 to IOB0
in TIOR0H, and bits CCLR2 to CCLR0 in TCR0), bit NDER9 in NDERH, bit
SAE1
*
2
in DMABCRH, and bit P11DDR.
SAE1
*
2
0 1
TPU Channel
0 Setting
Table
Below (1) Table Below (2)
P11DDR — 0 1 1 —
NDER9 — — 0 1 —
Pin function TIOCB
0
output
P1
1
input
P1
1
output
PO
9
output
DACK
1
*
2
output
TIOCB
0
input
*
1
Notes:
1.
TIOCB
0
input when MD3 to MD0 = B'0000, and IOB3 to IOB0 =
B'10xx.
2. The DMAC and the DACK
1
pin function are not supported in the
H8S/2321.
TPU Channel
0 Setting (2) (1) (2) (2) (1) (2)
MD3 to MD0 B'0000 B'0010 B'0011
IOB3 to IOB0 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'010
B'010
Output
function
— Output
compare
output
— — PWM
mode 2
output
—
x: Don’t care