Texas Instruments C2000

High Frequency PWM
t
V
F2808 – SysClk = 100 MHz
V
STEP
PWM resolution = Log
2
( T
PWM
/ T
SysClk
)
T
Sysclk
PWM Freq Regular resolution High resolution
(kHz) (bits) (%) (bits) (%)
200
9.0 0.2
14.8
0.004
250
8.6 0.3
14.4
0.005
300
8.4 0.3
14.2
0.005
500
7.6 0.5
13.4
0.009
750
7.1 0.8
12.9
0.014
1000
6.6 1.0
12.4
0.018
1500
6.1 1.5
11.9
0.027
2000
5.6 2.0
11.4
0.036