Pin Description - Quectel UC20 Manual

3.3. Pin Description

The following tables show the UC20's pin definition.
Table 3: IO Parameters Definition
Type
IO
DI
DO
PI
PO
AI
AO
OD
Table 4: Pin Description
Power Supply
Pin Name Pin No.
VBAT_BB 59,60
VBAT_RF 57,58
VRTC 18
UC20_Hardware_Design
Description
Bidirectional input/output
Digital input
Digital output
Power input
Power output
Analog input
Analog output
Open drain
I/O Description
Power supply for
PI module baseband
part.
Power supply for
PI
module RF part.
Power supply for
IO
internal RTC circuit.
Confidential / Released
UMTS/HSPA Module Series
UC20 Hardware Design
DC Characteristics
Vmax = 4.3V
Vmin = 3.4V
Vnorm = 3.8V
Vmax = 4.3V
Vmin = 3.4V
Vnorm = 3.8V
V max = 3.25V
O
when VBAT ≥ 3.4V.
V = 1.5V~3.25V at
I
I = 3uA when
IN
VBAT is not applied.
Comment
It must be able to
provide sufficient
current up to 0.8A.
It must be able to
provide sufficient
current in a transmitting
burst which typically
rises to 2.0A.
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