B+B SmartWorx APPN551 ユーザーズマニュアル
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.
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