Quectel UMTS Module Series User Manual page 36

Table 12: Pin Definition of J803, J804, J805 and J806
J803
Pin No. Pin Name
1, 3, 5 DTR_TEST
2 POWER_EN
4 PWRKEY_3.0V
6 RESET_3.0V
7 VDD_EXT
8 POWER_OFF_3.0V
9 SPI_MRDY
10 SPI_SRDY
J804
Pin No. Pin Name
1 VDD_3.0V
2 PCM_SYNC
UMTS&LTE_EVB_User_Guide
9 5 1
7 3
10 8 6 4 2
Figure 31: Test Point J804
Description
Data terminal ready test pins
VBAT enable pin
PWRKEY_3.0V test pin
RESET_3.0V test pin
Connected directly to VDD_EXT of UMTS&LTE modules
Used to power off UGxx modules
RESERVED
RESERVED
Description
3.0V power supply from U302
Connected directly to PCM_SYNC of UMTS&LTE modules
UMTS/HSPA/LTE Module Series
UMTS&LTE EVB User Guide
J804
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