h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 660

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

Section 17 Motor Control PWM Timer
17.2.6
There are four PWDTR1x registers (PWDTR1A, 1C, 1E, 1G). PWDTR1A is used for outputs
PWM1A and PWM1B, PWDTR1C for outputs PWM1C and PWM1D, PWDTR1E for outputs
PWM1E and PWM1F, and PWDTR1G for outputs PWM1G and PWM1H.
PWDTR1 cannot be read or written to directly. When a PWCYR1 compare match occurs, data is
transferred from buffer register 1 (PWBFR1) to PWDTR1.
PWDTR1x is initialized to H'EC00 when the counter start bit (CST) in PWCR1 is cleared to 0,
and also upon reset and in standby mode, watch mode, subactive mode, subsleep mode, and
module stop mode.
Bits 15 to 13—Reserved: These bits cannot be read from or written to.
Bit 12—Output Terminal Select (OTS): Bit 12 selects the pin used for PWM output according
to the value in bit 12 in the buffer register that is transferred by a PWCYR1 compare match.
Unselected pins output a low level (or a high level when the corresponding bit in PWPR1 is set to
1).
Bits 11 and 10—Reserved: These bits cannot be read from or written to.
Rev. 5.00 Sep 22, 2005 page 634 of 1136
REJ09B0257-0500
Bit
Initial value
Read/Write
Register
PWDTR1A
PWDTR1C
PWDTR1E
PWDTR1G
PWM Duty Registers 1A, 1C, 1E, 1G (PWDTR1A, 1C, 1E, 1G)
15
—
—
1
Bit 12
OTS
0
1
0
1
0
1
0
1
14
—
—
1
13
— OTS —
—
1
Description
PWM1A output selected
PWM1B output selected
PWM1C output selected
PWM1D output selected
PWM1E output selected
PWM1F output selected
PWM1G output selected
PWM1H output selected
12
—
0
11
—
1
10
— DT9 DT8 DT7 DT6 DT5 DT4 DT3 DT2 DT1 DT0
—
1
—
9
0
—
8
0
—
7
0
—
6
0
—
5
0
—
4
0
—
3
0
—
(Initial value)
(Initial value)
(Initial value)
(Initial value)
2
0
—
1
0
—
0
0