User's Manual

APPN-TT551 Databook B&B Electronics, Inc.
25
8.0 RESET Function
For correct operation of the on-board Power-on RESET (POR) and internal RESET
controllers, the RESET pin on the module must obey the following timing and signal
conditions.
Figure 3 - Power on RESET Timing
Figure 4 - RESET Timing
Table 18 - RESET Timing
Symbol Parameter
Min Typ Max Units
t
PURST
Valid V
DD
to RESET valid 200 ms
t
RLRV
RESET Valid to RESET Low 0 ms
t
RPWI
Valid V
DD
to Internal RESET completed 200 ms
t
RPW
RESET Pulse Width 100 µs