ST10F276-4TR3 datasheet(89/235 Pages) STMICROELECTRONICS

Part #	ST10F276-4TR3

Description	16-bit MCU with MAC unit 832 Kbyte Flash memory and 68 Kbyte RAM

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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89 / 235 page

ST10F276E

PWM modules

Doc ID 12303 Rev 3

89/235

11

PWM modules

Two pulse width modulation modules are available on ST10F276E: standard PWM0 and

XBUS PWM1. They can generate up to four PWM output signals each, using edge-aligned

or centre-aligned PWM. In addition, the PWM modules can generate PWM burst signals and

single shot outputs. Table 50 and Table 51 show the PWM frequencies for different

resolutions. The level of the output signals is selectable and the PWM modules can

generate interrupt requests.

Figure 19.

Block diagram of PWM module

1.

User readable / writeable register

Table 50.

PWM unit frequencies and resolutions at 40 MHz CPU clock

Mode

CPU clock

divided by

Resolution

8-bit

10-bit

12-bit

14-bit

16-bit

0

1

25ns

156.25 kHz

39.1 kHz

9.77 kHz

2.44 Hz

610 Hz

64

1.6µs

2.44 kHz

610 Hz

152.6 Hz

38.15 Hz

9.54 Hz

1

25ns

78.12 kHz

19.53 kHz

4.88 kHz

1.22 kHz

305.2 Hz

64

1.6µs

1.22 kHz

305.17 Hz

76.29 Hz

19.07 Hz

4.77 Hz

Table 51.

PWM unit frequencies and resolutions at 64 MHz CPU clock

Mode

CPU clock

divided by

Resolution

8-bit

10-bit

12-bit

14-bit

16-bit

0

1

15.6ns

250 kHz

62.5 kHz

15.63 kHz

3.91 Hz

977 Hz

64

1.0µs

3.91 kHz

976.6 Hz

244.1Hz

61.01 Hz

15.26 Hz

1

15.6ns

125 kHz

31.25 kHz

7.81 kHz

1.95 kHz

488.3 Hz

64

1.0µs

1.95 kHz

488.28 Hz

122.07 Hz

30.52 Hz

7.63 Hz

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ST10F276-4TR3 Datasheet(PDF) 89 Page - STMicroelectronics

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