tmp88cs38ng TOSHIBA Semiconductor CORPORATION, tmp88cs38ng Datasheet - Page 134

• Manufacturer Part Number: tmp88cs38ng
• Description: Cmos 8-bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

PWM Control Register 1A
PWM Control Register 1B
PWM Data Buffer Register 1
PWMCR1A
PWMCR1B
PWMDBR1
(0002AH)
(00028H)
(00029H)
2.13.3
Note 1: *: Don’t care
Note 2
Note 3: PWMCR1A is write-only register and cannot be used with any of the read-modify-write instructions such
Note 1: *: Don’t care
Note 2: PWMCR1B is write-only register and cannot be used with any of the read-modify-write instructions such
Note 1: PWMDBR1 is write-only register and cannot be used with any of the read-modify-write instructions such
Note 2: When operation mode is changed from STOP mode to NORMAL mode, PWMCR1A, PWMCR1B are
RESOLUTION1 Select channel 1 resolution
RESOLUTION2 Select channel 0 resolution
Control
PWMCR2B) and PWM data buffer register (PWMDBR1, PWMDBR2).
PWMCHS1
Figure 2.13.3 PWM Control Register 1A/1B and PWM Data Buffer Register 1
7
−
7
7
ABORT1
PWM output is controlled by PWM control register (PWMCR1A, PWMCR1B, PWMCR2A,
START3
START2
START1
START0
PWMHL
ABORT1 START3 START2 START1 START0
as SET, CLR, etc.
as SET, CLR, etc.
as SET, CLR, etc.
initialized.
After set the ABORT1 to “1”, the ABORT1 is cleared to “0” automatically.
6
6
6
Abort PWM operation of
channel 3 to 0
Start channel 3
Start channel 2
Start channel 1
Start channel 0
Select the PWM data latch of
12-bit PWM channel
Select upper or lower data
transfer buffer (PWMDBR1)
5
5
5
4
4
4
3
3
3
88CS38-134
0: Operation
1: PWM abort (PWM outputs are fixed to a high level.)
0: Stop
1: Start
0: Stop
1: Start
0: Stop
1: Start
0: Stop
1: Start
0: 14-bit resolution
1: 12-bit resolution
0: 14-bit resolution
1: 12-bit resolution
00: Channel 0
01: Channel 1
10: Channel 2
11: Channel 3
0: Lower 8 bits
1: Upper 4 bits or 6 bits
PWMCHS1
2
2
2
RESOLUTION
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
1
1
1
1
1
3
2
1
0
3
2
0
PWMHL
0
0
0
0
TMP88CS38/CM38A/CP38A
(Initial value: *000 0000)
(Initial value: **** *000)
Write only
(Initial value: 0000 0000)
2007-09-12
Write
Write
only
only