32.4.4 Reset, WDT, Power-up Timer, and Brown-Out Reset Specifications

Figure 32-7. Reset, Watchdog Timer, and Power-up Timer Timing
Note:
  1. Asserted low.
Figure 32-8. Brown-out Reset Timing and Characteristics
Note:
  1. Only if PWRTE bit in the Configuration Word register is programmed to ‘1’; 2 ms delay if PWRTE = 0.
Table 32-12. 
Standard Operating Conditions (unless otherwise stated)
Param No.Sym.CharacteristicMin.Typ. †Max.UnitsConditions
RST01*TMCLRMCLR Pulse Width Low to ensure Reset2——μs
RST02*TIOZI/O high-impedance from Reset detection——2μs
RST03TWDTWatchdog Timer Time-out Period—16—ms1:512 Prescaler
RST04*TPWRTPower-up Timer Period—65—msPWRTS = ‘10’ (64 ms)
RST06VBORBrown-out Reset Voltage

2.40

1.8

2.8

1.9

3.0

2.0(1)

V

V

BORV = 0

BORV = 1

RST07VBORHYSBrown-out Reset Hysteresis—40—mV
RST08TBORDCBrown-out Reset Response Time—3—μs

* - These parameters are characterized but not tested.

† Data in ‘Typ’ column is at 3.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are not tested.

Note:
  1. This value corresponds to VBORMAX.