AT83C5122_08 ATMEL [ATMEL Corporation], AT83C5122_08 Datasheet - Page 177

• Manufacturer Part Number: AT83C5122_08
• Description: C51 Microcontroller with USB and Smart Card Reader Interfaces
• Manufacturer: ATMEL [ATMEL Corporation]

4202F–SCR–07/2008
Table 111. Timeout value for
Table 112. Watchdog Timer Enable register (Write Only) - WDTRST (A6h)
Reset Value = XXXX XXXXb
The WDTRST register is used to reset / enable the WDT by writing 1EH then E1H in
sequence.
7
-
S2
0
0
0
0
1
1
1
1
6
-
S1
0
0
1
1
0
0
1
1
5
-
F
CK_WD
S0
AT83R5122, AT8xC5122/23
= 24 MHz / X2
0
1
0
1
0
1
0
1
4
-
3
-
Timeout for F
2
-
131.07 ms
262.14 ms
524.29 ms
16.38 ms
32.77 ms
65.54 ms
4.10 ms
8.19 ms
CK_WD
= 24 MHz / X2
1
-
0
-
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