User Manual

TiWi-uB2 / uBleu2 Module
DATASHEET
The information in this document is subject to change without notice.
TiWi-uB2 uBleu2 Datasheet Copyright © 2012 LS Research, LLC Page 11 of 25
BLUETOOTH POWER-UP/ DOWN SEQUENCE
Figure 3 Bluetooth Power-Up/Down Sequence
nSHUTD Requirements
Parameter
Symbol
Min
Max
Unit
Operation mode level
(1)
V
IH
1.42
1.98
V
Shutdown mode level
(1)
V
IL
0
0.4
V
Minimum time for nSHUT_DOWN low to reset the device
5
Rise/fall times
Tr/Tf
20
us
(1) Internal pull-down retains shutdown mode when no external signal is applied to this pin.
Table 13 nSHUTD Requirements