ST10F272M_12 datasheet(57/176 Pages) STMICROELECTRONICS

Part #	ST10F272M

Description	16-bit MCU with 256 Kbyte Flash memory and 20 Kbyte RAM

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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ST10F272M

Capture/compare (CAPCOM) units

Doc ID 12968 Rev 3

57/176

Table 32.

Compare modes

Function

Mode 0

Interrupt-only compare mode; several compare interrupts per timer period are possible

Mode 1

Pin toggles on each compare match; several compare events per timer period are possible

Mode 2

Interrupt-only compare mode; only one compare interrupt per timer period is generated

Mode 3

Pin set ‘1’ on match; pin reset ‘0’ on compare time overflow; only one compare event per

timer period is generated

Double register mode

Two registers operate on one pin; pin toggles on each compare match; several compare

events per timer period are possible.

Table 33.

CAPCOM timer input frequencies, resolutions and periods at 40 MHz

fCPU = 40 MHz

Timer input selection TxI

000b

001b

010b

011b

100b

101b

110b

111b

Prescaler for

fCPU

8

16

32

64

128

256

512

1024

Input frequency

5 MHz

2.5 MHz

1.25 MHz

625 kHz

312.5 kHz 156.25 kHz 78.125 kHz

39.1 kHz

Resolution

200 ns

400 ns

0.8 µs

1.6 µs

3.2 µs

6.4 µs

12.8 µs

25.6 µs

Period

13.1 ms

26.2 ms

52.4 ms

104.8 ms

209.7 ms

419.4 ms

838.9 ms

1.678 s

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