ST52F513G3M6 STMicroelectronics, ST52F513G3M6 Datasheet - Page 72

• Manufacturer Part Number: ST52F513G3M6
• Manufacturer: STMicroelectronics

Specifications of ST52F513G3M6

• Cpu Family: ST52
• Device Core Size: 8b
• Frequency (max): 20MHz
• Interface Type: I2C/SCI/SPI
• Program Memory Type: Flash
• Program Memory Size: 8KB
• Total Internal Ram Size: 256Byte
• # I/os (max): 22
• Number Of Timers - General Purpose: 2
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 28
• Package Type: SO
• Lead Free Status / Rohs Status: Compliant

ST52510xx ST52513xx
Watchdog Control Register (WDT_CR)
Configuration Register 7 (07h) Read/Write
Reset Value: 0000 0001 (01h)
Bit 7-4: Not Used
Table 11.2 Watchdog Timeout configuration examples
72/136
7
-
WDT_CR(3:0)
0000
0001
0010
0011
0100
0101
0110
1000
1001
1010
1011
1100
1101
0111
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
following formula:
Timeout Values (ms)
10 MHz
156.25
218.75
281.25
343.75
406.25
468.75
31.25
312.5
437.5
93.75
187.5
0.05
62.5
=
125
250
375
5
------------------------------------------------------------------ -
10
5
Clock MHz
Table 11.2
DivisionFactor
109.375
140.625
171.875
203.125
234.375
20MHz
15.625
46.875
156.25
218.75
78.125
0.025
31.25
93.75
187.5
62.5
125
and the