ST52F510FMB6 STMICROELECTRONICS [STMicroelectronics], ST52F510FMB6 Datasheet - Page 70

• Manufacturer Part Number: ST52F510FMB6
• Description: 8-BIT INTELLIGENT CONTROLLER UNIT ICU Two Timer/PWMs, ADC, I2C, SPI, SCI
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST52F510/F513/F514
Watchdog Control Register (WDT_CR)
Configuration Register 7 (07h) Read/Write
Reset Value: 0000 0001 (00h)
Bit 7-4: Not Used
Table 11.2 Watchdog Timeout configuration examples
70/106
7
-
WDT_CR(3:0)
0000
0001
0010
0100
0101
1000
1001
1010
0011
0110
0111
1011
1100
1101
1110
1111
-
-
-
Division Factor
D3
1250
1875
2500
3125
3750
4375
5000
5625
6250
6875
7500
8125
8750
9375
625
1
D2
D1
D0
0
5 MHz
187.5
312.5
437.5
562.5
687.5
812.5
937.5
62.5
125
250
375
500
625
750
875
0.1
Bit 3-0: D3-0 Watchdog Clock divisor factor bits
Timeout ms
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 Values (ms)
10 MHz
156.25
218.75
281.25
343.75
406.25
468.75
31.25
93.75
187.5
312.5
437.5
0.05
62.5
125
250
375
=
5
---------------------------------------------------------------- -
10
5
Clock MHz
DivisionFactor
109.375
140.625
171.875
203.125
234.375
20MHz
15.625
46.875
78.125
156.25
218.75
0.025
31.25
93.75
187.5
62.5
125