Reset function, Figure 4 - power on reset timing, Figure 5 - reset timing – B&B Electronics WLNN-EK-DP551 - Product Specification User Manual

Page 29: Table 18 - reset timing, 0 reset function

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Airborne DP550 Family Databook

B&B Electronics, Inc.

9.0 RESET Function

For correct operation of the on-board Power-on RESET (POR) and internal RESET
controllers, the RESET pin on the WLNN-XX-DP550 family must obey the following
timing and signal conditions.

Figure 4 - Power on RESET Timing

Figure 5 - RESET Timing

Table 18 - RESET Timing

Symbol

Parameter

Min

Typ

Max

Units

PURST

Valid V

to RESET valid

200

RLRV

RESET Valid to RESET Low

RPWI

Valid V

to Internal RESET completed

200

RPW

RESET Pulse Width

100

µs