Quectel UMTS&LTE EVB - Page 36

UMTS/HSPA/LTE Module Series
UMTS&LTE EVB User Guide
UMTS&LTE_EVB_User_Guide Confidential / Released 35 / 44
J804
1
2
3
4
5
6
7
8
9
10
Figure 31: Test Point J804
Table 12: Pin Definition of J803, J804, J805 and J806
J803 Pin No.
Pin Name
Description
1,3,5
DTR_TEST
Data terminal ready test pins
2
POWER_EN
VBAT enable pin
4
PWRKEY_3.0V
PWRKEY_3.0V test pin
6
RESET_3.0V
RESET_3.0V test pin
7
VDD_EXT
Connected directly to VDD_EXT of UMTS&LTE module
8
POWER_OFF_3.0V
Used to power off UGxx modules
9
SPI_MRDY
RESERVED
10
SPI_SRDY
RESERVED
J804 Pin No.
Pin Name
Description
1
VDD_3.0V
3.0V power supply from U302
2
PCM_SYNC
Connected directly to PCM_SYNC of UMTS&LTE module
3
VDD_1V8
1.8V power supply from U301
4
PCM_IN
Connected directly to PCM_IN of UMTS&LTE module
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