h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 224

• Manufacturer Part Number: h8s-2649
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 9 I/O Ports
• P21/TIOCB3
The pin function is switched as shown below according to the combination of the TPU channel 3
setting (by bits MD3 to MD0 in TMDR_3, bits IOB3 to IOB0 in TIORL_3, and bits CCLR2 to
CCLR0 in TCR_3) and bit P21DDR.
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Rev. 2.00 Dec. 05, 2005 Page 186 of 724
REJ09B0200-0200
TPU channel 3
setting
P21DDR
Pin function
TPU channel 3
setting
MD3 to MD0
IOB3 to IOB0
CCLR2 to CCLR0
Output function
Don't care
B'0000
B'0100
B'1xxx
(2)


Table Below (1)
TIOCB3 output

B'0000
B'0001 to B'0011
B'0101 to B'0111
Output compare
output
(1)

B'0010
P21 input
(2)



0
Table Below (2)
TIOCB3 input
B'xx00
(2)


B'0011
Other than
Other than B'xx00
mode 2
P21 output
output
B'010
PWM
(1)
1
B'010
(2)
