Quectel SC200R Series User Manual

Smart Module Series
SC200R&SC262R_Series_Hardware_Design 26 / 124
3.3. Pin Description
Table 8: I/O Parameters Definition
The following table shows the pin definition and electrical characteristics of the module.
Table 9: Pin Description
Type
Description
AI
Analog input
AO
Analog output
AIO
Analog input/output
DI
Digital input
DO
Digital output
DIO
Digital input/output
OD
Open drain
PI
Power input
PO
Power output
PIO
Power input/output
Power Supply
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
VBAT_BB
1, 2
PIO
Power supply for
the module’s
baseband part
Vmax = 4.2 V
Vmin = 3.55 V
Vnom = 3.8 V
You must provide
them with sufficient
current of up to 3 A.
It is suggested to
add a TVS for surge
protection.
VBAT_RF
145,
146
PI
Power supply for
the module’s RF
part
Vmax = 4.2 V
Vmin = 3.55 V
Vnom = 3.8 V
VRTC
126
PIO
Power supply for
RTC
V
O
max = 3.2 V
V
I
= 2.0–3.25 V
If it is not used,
keep this pin open.

Quectel SC200R Series Specifications

General

Brand	Quectel
Model	SC200R Series
Category	Control Unit
Language	English