Specifications
Rev 2 Mar.18
63
41110485
Pin-out Information
For complete pin-out information, refer to the
(document number 4117166).
Figure 3-8: IoT Expansion Card Pin Configuration—IoT Expansion Card View
IoT Connector Interface
Note: If you develop an IOT card and use the UART in a hardware loop-back mode by
connecting the transmit and receive signals, do not configure UART2 in Linux Console
mode (AT!MAPUART=16,2).
Table 3-11: IoT Connector Interface
IoT Connector Signal
FX30S Hardware
Peripheral
Linux Interface
GPIO1
GPIO 42
/sys/class/gpio/gpio42
GPIO2
GPIO 33
/sys/class/gpio/gpio33
GPIO3
GPIO 13
/sys/class/gpio/gpio13
GPIO4
GPIO 8
/sys/class/gpio/gpio8
Iot_DETECT
GPIO 25
/sys/class/gpio/gpio25
USB
Hub on HSIC WP interface,
mounted on ttyUSB0
/dev/ttyUSB0
SDIO
SDIO
/dev/mmcblk0
UART
UART2
/dev/ttyHSL1
SPI
SPI1
/dev/sierra-spi
ADC
ADC0
/sys/class/hwmon0/device/
mmp_01 (in uV units)
PCM
PCM
/proc/asound and /dev/snd
I2C
I2C1
/dev/i2c-0
CN200
CONN_38P_EDGE_IOT
25
20
19
18
17
16
24
23
22
21
15
14
13
12
11
30
28
27
26
29
5
4
3
2
1
38
37
36
35
10
9
8
7
6
34
33
32
31
VCC_1V8
VCC_3V3
VCC_5V0
n_CARD_DETECT
GPIO_2
I2C_SCL
I2C_SDA
USB_D-
USB_D+
SDIO_CMD
SDIO_CLK
SDIO_DAT1
SDIO_DAT2
SDIO_DAT0
SDIO_DAT3/CD
PCM_DIN
PCM_DOUT
PCM_SYNC
PCM_CLK
GPIO_4
GPIO_3
UART_TXD
UART_RXD
UART_CTS
UART_RTS
GPIO_1
n_RESET
SPI_CLK
SPI_MISO
SPI_MOSI
SPI_SS/MRDY
ADC0
PPS