MAX16065 Datasheet, PDF (38/61 Pages) Maxim Integrated Products – 12-Channel/8-Channel, Flash-Configurable System Managers with Nonvolatile Fault Registers

12-Channel/8-Channel, Flash-Configurable System
Managers with Nonvolatile Fault Registers
V_CC
WDI
0V
V_CC
RESET
0V
V_CC
WDO
0V
< t_WDI
t_WDI
t_RP
< t_{WDI_STARTUP}
< t_WDI
1µs
Figure 10. Watchdog Startup Sequence with Watchdog Reset Enable Bit Set to ‘1’
Table 24. Watchdog Configuration
REGISTER
ADDRESS
73h
76h
FLASH
ADDRESS
273h
276h
BIT RANGE
[4]
[7]
[6:4]
[3:0]
DESCRIPTION
1 = Independent mode
0 = Dependent mode
1 = Watchdog affects RESET output
0 = Watchdog does not affect RESET output
Watchdog Startup Delay:
000 = No initial timeout
001 = 30s
010 = 40s
011 = 80s
100 = 120s
101 = 160s
110 = 220s
111 = 300s
Watchdog Timeout:
0000 = Watchdog disabled
0001 = 1ms
0010 = 2ms
0011 = 4ms
0100 = 8ms
0101 = 14ms
0110 = 27ms
0111 = 50ms
1000 = 100ms
1001 = 200ms
1010 = 400ms
1011 = 750ms
1100 = 1.4s
1101 = 2.7s
1110 = 5s
1111 = 10s
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