Quectel UC200T-GL Manual page 37

The timing o of turning on
VBAT
PWRKEY
VDD_EXT
FORCE_U
RESET_N
STATUS
(OD)
UART
USB
NOTES
1. Please make sure
no less s than 30ms.
2. PWRKE EY can be
needs t to be power
3.7.2. Tur rn off the M
The followin ng procedure
 Using t the PWRKEY
 Using A
AT+QPOWD
UC200T-GL L_Hardware
n the module e is illustrate
N NOTE 1
SB_BOOT
Figur re 12: Timin
that VBAT i is stable bef
.
pulled down n directly to
red on autom matically and
Module
es can be us sed to turn o
Y pin.
Dcommand.
e_Design36 6 / 84
ed in the foll owing figure
≥500ms ≥
V V
≤0.5V
IL
About 5ms
0ms. After this
≥100
high le evel by an ext
About 22m ms
10s
≥
10s
≥
I nactive
10s
≥
Inactive
ng of Turnin ng on the M
fore pulling down PWRK
o GND with a recomme
d shutdown is not neede
off the modu ule:
UMTS/H HSPA+ Mod
UC200T T-GLHardw
e.
time, the pin c can be set
ternal circuit.
Active
Active
Module
KEY pin. Th he time betw
ended 4.7kΩ Ω resistor if
ed.
dule Series s
ware Design n
ween them is s
f the module e