Telit Wireless Solutions WE866E4-P User Manual

WE866E4-P Module Hardware User Guide
1VV0301487 Rev. 1.2 䢴䢲 2018-07-27
PRELIMINAR
Y
5.2 Power Up/Down Sequence
The BT_EN is the main power enable pin including the WIFI_EN. All supplies should be
stable for a minimum of 10 μs before BT_EN is de-asserted (i.e, greater than VIL for
VIO). If VIO = 3.3V, then VDD_BLE, VDD_WLAN, and VIO shares the same 3.3V power
(see Figure 1, page 20).
Figure 1 Power Up/Down Sequence
5.3 Power ON Reset Time
Table 6, page 20 describes the Power ON reset time.
5.4 Unconditional Shutdown
The BT_EN is used for unconditional shutdown.
Table 6 Power ON Reset Time
Parameter Description Minimum Maximum Units
tR
Rise time of poweer to 90% of final
voltage
N/A 25 ms
tS
Minimum of 10 uS before BLE_EN is
asserted
10 N/A μs

Telit Wireless Solutions WE866E4-P Specifications

General

Brand	Telit Wireless Solutions
Model	WE866E4-P
Category	Network Card
Language	English