Pin Description - Quectel SC200R Series Hardware Design

3.3. Pin Description

Table 8: I/O Parameters Definition
Type
AI
AO
AIO
DI
DO
DIO
OD
PI
PO
PIO
The following table shows the pin definition and electrical characteristics of the module.
Table 9: Pin Description
Power Supply
Pin Name Pin No.
VBAT_BB 1, 2
145,
VBAT_RF
146
VRTC 126
SC200R&SC262R_Series_Hardware_Design
Description
Analog input
Analog output
Analog input/output
Digital input
Digital output
Digital input/output
Open drain
Power input
Power output
Power input/output
I/O Description
Power supply for
the module's
PIO
baseband part
Power supply for
the module's RF
PI
part
Power supply for
PIO
RTC
Smart Module Series
DC Characteristics
Vmax = 4.2 V
Vmin = 3.55 V
Vnom = 3.8 V
Vmax = 4.2 V
Vmin = 3.55 V
Vnom = 3.8 V
V max = 3.2 V
O
V = 2.0–3.25 V
I
Comment
You must provide
them with sufficient
current of up to 3 A.
It is suggested to
add a TVS for surge
protection.
If it is not used,
keep this pin open.
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