5G HUB BG77 Manuel technique et d'utilisation - Page 11
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2.7 Hardware Specification
Technical Specification
Microcontroller (MCU)
Clock Speed
Flash Memory
SRAM
NB-IoT Module
Dimension
Weight
Power Supply
LED
Interfacing Logic Voltage Level (Operating
Voltage)
Voltage output
RESET buttons
User-defined Button
USB Switch
General-purpose digital I/O Pins
GPIO
ADC
USB
I
C
2
SPI
UART
ADC pins
DAC pin
External interrupts
PWM pin
DC Current per I/O Pin
JTAG Debug
USIM
GNSS
Antenna
Band
Certification
Mobile Operator Certification
Notes:
-
UART can be programmed through any of general-purpose pins.
-
SPI can be programmed through any of general-purpose pins.
USB Dongle Rev 1.0
Atmel ATSAMD21G18, 32-Bit ARM Cortex
M0+
48 MHz
256 KB
32 KB
Quectel BG77
30 mm (width) by 65 mm (length)
22 grams
USB (5V)
LED1, LED2, LED3, Status LED, Netlight LED
3.3V
5V, 3.3V
Two; one for MCU and one for BG77
1 connected to MCU
1 switch to connect to MCU directly or BG77
directly
14 (A0-A5, PA6, PA7, SS, MOSI, MISO, SCK, SDA,
SCL)
2 connected to BG77
2 connected to BG77
1
2 (1 connected to BG77)
1
1
6 (8/10/12-bit ADC channels)
1 (10-bit DAC)
14 (All general-purpose PINs)
6
10 mA
Cortex Debug Connector (Single Wire Debug)
Nano
GPS, GLONASS, BeiDou/Compass, Galileo, QZSS
1 main antenna and 1 GPS antenna
LTE-FDD, B1/B2/B3/B4/B5/B8/B12/
B13/B18/B19/B20/B26/B28
LTE-TDD: B39 (for Cat M1 only)
FCC, CE
Verizon and currently for AT&T
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