![Fibocom SC138-NA Series Hardware Manual Download Page 34](http://html1.mh-extra.com/html/fibocom/sc138-na-series/sc138-na-series_hardware-manual_2286855034.webp)
Reproduction forbidden without Fibocom Wireless Inc. written authorization - All rights
reserved.
FIBOCOM SC138-
NA
Series Hardware Guide
34/88
210
GPIO_27
L5
-
SPI_CS2
-
-
88
GPIO_28
QUP1
SE2
L0
-
I2C_SDA
-
-
87
GPIO_29
L1
-
I2C_SCL
-
-
104
GPIO_30
QUP1
SE1
L0
UART_CTS
SPI_MISO
I2C_SDA
-
86
GPIO_31
L1
UART_RFR
SPI_MOSI
I2C_SCL
-
96
GPIO_32
L2
UART_TX
SPI_SCLK
-
-
97
GPIO_33
L3
UART_RX
SPI_CS_N
-
-
Only one protocol can be selected in one QUP engine at a time. For example, simultaneous UART
and I2C functionality are no longer supported.
Note: