SBC-APL-350 HARDWARE MANUAL
– VER 1.00 JUN 12 2019
Page
11
of
35
NOTE: This card slot can be only used by a M.2 KEY-B 3G/LTE module installed into the M2-B connector.
The M2-B
connector can be found at location “B” in chapter
4. Internal Connectors and Expansion
of this manual. No M.2 KEY-B 3G/LTE module is included in this device (must be purchased
separately, not sold by TechNexion).
3.3. MicroSD Card Slot
The SBC-APL-350 features a standard microSD card slot which is connected to the Intel Apollo Lake
processor (Intel Atom x5-E3930 / x5-E3940 / x7-E3950)
integrated “Ultra Secured Digital Host Controller”
(uSDHC).
The following main features are supported by uSDHC:
•
Compatible with the MMC System Specification version 4.2/4.3/4.4/4.41/5.0.
•
Conforms to the SD Host Controller Standard Specification version 3.0.
•
Compatible with the SD Memory Card Specification version
3.0 and supports the “Extended
Capacity SD Memory Card”.
•
Compatible with the SDIO Card Specification version 3.0.
•
Supports 1-bit / 4-bit SD and SDIO modes
The MMC/SD/SDIO host controller can support a single MMC / SD / SDIO card or device.
3.4. USB OTG (Type-C) Connector
The SBC-APL-350 has one USB OTG Type-C connector (USB 2.0 and USB 3.0 signals) that can be
used to connect a host computer to the unit for programming and update purposes.
Pin
#
Signal
Description
Pin
#
Signal
Description
A1
GND
Ground
B1
GND
Ground
A2
TX1+
SS differential pair #1 signal
B2
TX2+
SS differential pair #3 signal
A3
TX1-
B3
TX2-
A4
VBUS
5V Universal Serial Bus Power
B4
VBUS
5V Universal Serial Bus Power
A5
CC1
OTG detection signal port 1
B5
CC2
OTG detection signal port 2
A6
USB_D+ USB differential pair signal
port 1
B6
USB_D+ USB differential pair signal
port 2
A7
USB_D-
B7
USB_D-
A8
SBU1
Sideband use port 1
B8
SBU1
Sideband use port 2
A9
VBUS
5V Universal Serial Bus Power
B9
VBUS
5V Universal Serial Bus Power
A10
RX2-
SS differential pair #4 signal
B10
RX1-
SS differential pair #2 signal
A11
RX2+
B11
RX1+
A12
GND
Ground
B12
GND
Ground
3.5. PWR Button
The SBC-APL-350 features a
“PWR” button for system power on. System is turned on when button is
pressed, and the Power LED Light indicator lit. If the system hangs, depressing the button for 5 seconds
powers down the system.