ST52F513FMB6 datasheet(70/106 Pages) STMICROELECTRONICS

Il numero della parte	ST52F513FMB6

Spiegazioni elettronici	8-BIT INTELLIGENT CONTROLLER UNIT ICU Two Timer/PWMs, ADC, I2C, SPI, SCI

PDF	106 Pages

Scroll/Zoom	100%

Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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70 / 106 page

ST52F510/F513/F514

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Watchdog Control Register (WDT_CR)

Configuration Register 7 (07h) Read/Write

Reset Value: 0000 0001 (00h)

Bit 7-4: Not Used

Bit 3-0: D3-0 Watchdog Clock divisor factor bits

The Watchdog Clock (WDT CLK) is divided

by the numeric factor determined by these

bits, according with Table 11.2 and the

following formula:

Timeout ms

()

510

DivisionFactor

Clock MHz

()

-----------------------------------------------------------------

Table 11.2 Watchdog Timeout configuration examples

WDT_CR(3:0)

Division Factor

Timeout Values (ms)

5 MHz

10 MHz

20MHz

0000

0.1

0.05

0.025

0001

625

62.5

31.25

15.625

0010

1250

125

62.5

31.25

0011

1875

187.5

93.75

46.875

0100

2500

250

125

62.5

0101

3125

312.5

156.25

78.125

0110

3750

375

187.5

93.75

0111

4375

437.5

218.75

109.375

1000

5000

500

250

125

1001

5625

562.5

281.25

140.625

1010

6250

625

312.5

156.25

1011

6875

687.5

343.75

171.875

1100

7500

750

375

187.5

1101

8125

812.5

406.25

203.125

1110

8750

875

437.5

218.75

1111

9375

937.5

468.75

234.375

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