h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 268

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 9 I/O Ports
Rev. 5.00 Sep 22, 2005 page 242 of 1136
REJ09B0257-0500
Pin
P21/TIOCB3
Selection Method and Pin Functions
Switches as follows according to the combinations of the TPU channel 3
setting made using bits MD3 to MD0 of TMDR3, bits IOB3 to IOB0 of TIOR3L,
and bits CCR2 to CCR0 of TCR3, as well as the P21DDR bit.
TPU Channel
3 Setting
P21DDR
Pin function
TPU Channel
3 Setting
MD3 to MD0
IOB3 to IOB0
CCLR2 to
CCLR0
Output
function
B'0000
B'0100
B'1xxx
Table Below (1)
TIOCB3 output
(2)
—
—
B'0000
—
B'0001 to
B'0011
B'0101 to
B'0111
compare
Output
output
(1)
—
B'0010
(2)
—
—
—
P21 input
0
B'xx00
Table Below (2)
TIOCB3 input
(2)
—
—
Other than B'xx00
mode 2
B'0011
output
Other
B'010
PWM
than
(1)
P21 output
1
B'010
(2)
—