Toshiba TLCS-870/C Series Manual page 110

CLR (TC4CR).3: Stops the timer.
CLR (TC4CR).7 : Sets the
Note 3: To enter the STOP mode, stop the timer and then enter the STOP mode. If the STOP mode is entered with-
out stopping of the timer when fc, fc/2 or fs is selected as the source clock, a pulse is output from the
pin during the warm-up period time after exiting the STOP mode.
Table 9-7 16-Bit PWM Output Mode
Source Clock
NORMAL1/2, IDLE1/2 mode
DV7CK = 0 DV7CK = 1
11
fc/2 fs/2
7
fc/2 fc/2
5
fc/2 fc/2
3
fc/2 fc/2
fs
fc/2 fc/2
fc
Example :Generating a pulse with 1-ms high-level width and a period of 32.768 ms (fc = 16.0 MHz)
4 pin to the high level.
PWM
SLOW1/2,
SLEEP1/2
mode
3 3
[Hz] fs/2 [Hz]
7
–
5
–
3
–
fs fs
–
fc –
Setting ports
LDW (PWREG3), 07D0H
LD (TC3CR), 33H
LD (TC4CR), 056H
LD (TC4CR), 05EH
Resolution
fc = 16 MHz fs = 32.768 kHz
128 µs 244.14 µs
8 µs
–
2 µs
–
500 ns –
30.5 µs 30.5 µs
125 ns –
62.5 ns –
: Sets the pulse width.
: Sets the operating clock to fc/2
mode (lower byte).
: Sets TFF4 to the initial value 0, and 16-bit PWM signal
generation mode (upper byte).
: Starts the timer.
Page 95
TMP86PM29BUG
4
PWM
Repeated Cycle
fc = 16 MHz fs = 32.768 kHz
8.39 s 16 s
524.3 ms –
131.1 ms –
32.8 ms –
2 s 2 s
8.2 ms –
4.1 ms –
3
, and 16-bit PWM output