st10f269z1 STMicroelectronics, st10f269z1 Datasheet - Page 56

• Manufacturer Part Number: st10f269z1
• Description: St10f269 16-bit Mcu With Mac Unit, 256k Byte Flash Memory And 12k Byte Ram
• Manufacturer: STMicroelectronics

11 - PWM MODULE
11 - PWM MODULE
The pulse width modulation module can generate
up to four PWM output signals using edge-aligned
or centre-aligned PWM. In addition, the PWM
module can generate PWM burst signals and
Figure 17 : Block Diagram of PWM Module
Table 16 : PWM Unit Frequencies and Resolution at 40MHz CPU Clock (PQFP144 devices)
Table 17 : PWM Unit Frequencies and Resolution at 32MHz CPU Clock (TQFP144 devices)
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CPU Clock/64
CPU Clock/64
CPU Clock/64
CPU Clock/64
Clock 1
Clock 2
CPU Clock/1
CPU Clock/1
CPU Clock/1
CPU Clock/1
* User readable / writeable register
Mode 0
Mode 1
Mode 0
Mode 1
Control
Input
Resolution
Resolution
Resolution
Resolution
31.25ns
31.25ns
2.00 s
2.00 s
1.6 s
1.6 s
25ns
25ns
Run
156.25kHz
1.953KHz
78.12kHz
62.5KHz
976.6Hz
1.22kHz
125KHz
2.44Hz
8-bit
8-bit
8-bit
8-bit
PWx Pulse Width Register
16-bit Up/Down Counter
PPx Period Register
Shadow Register
Comparator
Comparator
PTx
305.17Hz
31.25KHz
15.62KHz
19.53kHz
488.3Hz
244.1Hz
39.1kHz
610Hz
10-bit
10-bit
10-bit
10-bit
single shot outputs. Table 16 and Table 17 show
the PWM frequencies for different resolutions. The
level of the output signals is selectable and the
PWM module can generate interrupt requests.
*
*
*
Match
Match
7.81KHz
3.90KHz
152.6Hz
76.29Hz
122.1Hz
9.77kHz
4.88kHz
12-bit
12-bit
12-bit
12-bit
61Hz
Output Control
Clear Control
Write Control
Up/Down/
1.953KHz
38.15Hz
19.07Hz
30.52Hz
976.6Hz
15.26Hz
1.22kHz
2.44Hz
14-bit
14-bit
14-bit
14-bit
Enable
POUTx
ST10F269
305.17Hz
976.6Hz
244.1Hz
9.54Hz
4.77Hz
7.63Hz
3.81Hz
610Hz
16-bit
16-bit
16-bit
16-bit