Quectel QuecPython EC200U C4-P01 Series - Page 22

LTE Standard Module Series
QuecPython_EC200U&A-XX_C4-P01_EVB_Specification_and_User_Guide 21 / 32
Table 4: Pin Definition of 10-Pin Headers
⚫ Pin 1 and pin 2: turn on automatically.
⚫ Pin 3 and pin 4: pin 3 and pin 4 are used to supply power to the peripheral circuits after being
connected; To measure the power consumption of the module, disconnect pin 3 and pin 4
2
.
⚫ Pin 5 and pin 6: when pin 5 and pin 6 are connected, the USB power supply supplies power to the
module through DCDC. Disconnect pin 5 and pin 6, and an external power supply can be connected
to pin 5 to supply power to the module and measure power consumption.
⚫ Pin 7 and pin 8: enable SD active power supply.
⚫ Pin 9 and pin 10: enable GNSS active power supply.
2
Turn off the USB detection switch.
Pin No.
Function
Silkscreen
1
POWERKEY
PWK_AUTO
2
GND
3
1.8 V
VDD_EXT
4
VDD_EXT
5
VBAT
MODULE_EN
6
3.8 V
7
SD_EN
SD_EN
8
3.3 V
9
3.3 V
GNSS_EN
10
GNSS_EN