Quectel LTE OPEN EVB - Eeprom (U0903)

LTE Module Series
LTE OPEN EVB User Guide
LTE_OPEN_EVB_User_Guide 43 / 62
Table 21: SPI Flash Function GPIO Configuration
4.10. EEPROM (U0903)
LTE OPEN EVB includes one EEPROM device (U0903), as shown in the following figure.
Figure 38: EEPROM Device
If the function is intended to be used, then please short the signals illustrated in the figure and table below.
Figure 39: EEPROM Function GPIO Configuration
Pin No.
Pin Name
Operation
Pin No.
Pin Name
Pin 3 (J0201)
SPI_MOSI
Shorted to
Pin 2 (J0201)
GPIO_20
Pin 6 (J0201)
SPI_MISO
Shorted to
Pin 5 (J0201)
GPIO_21
Pin 9 (J0201)
SPI_CS_N
Shorted to
Pin 8 (J0201)
GPIO_22
Pin 12 (J0201)
SPI_CLK
Shorted to
Pin 11 (J0201)
GPIO_23