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reserved.
FIBOCOM SC138-
NA
Series Hardware Guide
25/88
Pin Name
Pin No.
I/O
Pin Description
Remarks
UART Interface
DBG_UART_T
X
90
DO
UART data sending (QUP0 SE4)
Debug serial
port by default
DBG_UART_R
X
89
DI
UART data reception (QUP0
SE4)
UART_TX
45
DO
UART data sending (QUP1 SE0) -
UART_RX
46
DI
UART data reception (QUP1
SE0)
-
UART_CTS/TS
1_I2C_SDA
47
DI
UART clear to send (QUP1 SE0)
Can be
configured to
I3C
UART_RFR/IS1
_I2C_CLK
48
DO
UART request to send (QUP1
SE0)
Can be
configured to
I3C
UART_TX/GPI
O_8
209
DO
UART data sending (QUP0 SE2) -
UART_RX/GPI
O_9
207
DI
UART data reception (QUP0
SE2)
-
SPI Interface
SPI_CLK
113
DO
SPI clock
-
SPI_CS
114
DO
SPI chip selection
-
SPI_MISO
115
DI
SPI MISO
-
SPI_MOSI
116
DO
SPI MOSI
-
I2S Interface
GPIO_125/I2S1
_SCK
247
DO
I2S serial clock
-
GPIO_126/I2S1
_WS
238
DO
I2S frame clock
-
