ST10F271B datasheet(61/180 Pages) STMICROELECTRONICS

Numer części	ST10F271B

Szczegółowy opis	16-bit MCU with 128 Kbyte Flash memory and 8/12 Kbyte RAM

PDF	180 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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61 / 180 page

ST10F271B/ST10F271E

General purpose timer unit

61/180

Figure 10.

Block diagram of GPT1

Resolution

200ns

400ns

0.8µs

1.6µs

3.2µs

6.4µs

12.8µs

25.6µs

Period

maximum

13.1ms

26.2ms

52.4ms

104.8

209.7ms

419.4ms

838.9ms

1.678s

Table 35.

GPT1 timer input frequencies, resolutions and periods at 64 MHz

fCPU = 64 MHz

Timer Input Selection T2I / T3I / T4I

000b

001b

010b

011b

100b

101b

110b

111b

Pre-scaler

factor

128

256

512

1024

Input Freq

8MHz

4MHz

2MHz

1 kHz

500 kHz

250 kHz

128 kHz

64 kHz

Resolution

125ns

250ns

0.5µs

1.0µs

2.0µs

4.0µs

8.0µs

16.0µs

Period

maximum

8.2ms

16.4ms

32.8ms

65.5ms

131.1ms

262.1ms

524.3ms

1.049s

Table 34.

GPT1 timer input frequencies, resolutions and periods at 40 MHz

fCPU = 40 MHz

Timer Input Selection T2I / T3I / T4I

000b

001b

010b

011b

100b

101b

110b

111b

2n n=3...10

T2EUD

T2IN

CPU Clock

T3IN

T4IN

T3EUD

T4EUD

GPT1 Timer T2

GPT1 Timer T3

GPT1 Timer T4

T3OTL

Reload

Capture

U/D

Reload

Capture

Interrupt

Request

Interrupt

Request

Interrupt

Request

T3OUT

U/D

Mode

Control

Mode

Control

Mode

Control

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