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Silicon Labs xG23-PK6068A starter kit

Support for the xG23-PK6068A board. More...

Detailed Description

Support for the xG23-PK6068A board.

Overview

The EFR32xG23 (xG23) Pro Kit is designed to support the development of Wireless IoT devices based on Sub-GHz wireless protocols. The Pro Kit includes a radio board that provides a complete reference design for the EFR32xG23 Wireless SoC, with the matching network for +20 dBm covering 868 to 915 MHz.

The main board contains an onboard J-Link debugger with a Packet Trace Interface and a Virtual COM port, enabling application development and debugging of the attached radio board as well as external hardware through an expansion header.

Hardware

MCU

MCU EFR32ZG23
Family ARM Cortex-M33
Vendor Silicon Labs
Vendor Family EFM32 Wireless Gecko
RAM 64.0 KiB
Flash 512.0 KiB
EEPROM no
Frequency up to 78 MHz
FPU yes
MPU no
DMA 8 channels
Timers 4x 16-bits, 1x 32-bits
ADCs 16-bit ADC
UARTs 1x USART, 3x EUSART
SPIs 1x USART
I2Cs 2x
Vcc 1.71 V - 3.8 V
Datasheet EFR32ZG23
Manual EFR32xG23
Board Manual xG23
Board Schematic Main Board BRD4001A, EFR32ZG23 Module BRD4210A

Pinout

This is the pinout of the expansion header on the right side of the board. PIN 1 is the bottom-left contact when the header faces you horizontally.

PIN PIN
3V3 20 19 RES
5V 18 17 RES
PC7 16 15 PC5
PA9 14 13 PA7
PA8 12 11 PA6
PC0 10 9 PD2
PC3 8 7 PA5
PC2 6 5 PA0
PC1 4 3 PA10
VMCU 2 1 GND

Peripheral mapping

Peripheral Number Hardware Pins Comments Min. Power Mode
I2C 0 I2C0 SDA: PC7, CLK: PC5 EM1
SPI 0 USART0 MOSI: PC1, MISO: PC2, CLK: PC3 PC4 used as CS for Serial Flash EM1
Timer 0 TIMER0 Default ztimer backend EM1
1 LETIMER0 EM3
UART 0 EUSART1 RX: PA9, TX: PA8 Default STDIO output EM1
ADC_LINE 0 IADC0 IN+: PA10, IN-: GND Single-ended, V_ref: 2 * 1.21V EM1
1 IADC0 IN+: PA0, IN-:PA5 Differential, V_ref: 2 * 1.21V EM1

User interface

Peripheral Mapped to Pin Comments
Button PB0 PB1
PB1 PB3
LED LED0 PB2 Yellow LED
LED1 PD3 Yellow LED

Implementation Status

Device ID Supported Comments
MCU EFR32ZG yes Power modes supported
Low-level driver ADC no
Flash yes
GPIO yes Interrupts are shared across pins (see reference manual)
HW Crypto partially Only hwrng
I2C yes
PWM no
RTC no As RTT or RTC
SPI partially Only master mode
Timer yes
UART yes
LCD driver LS013B7DH03 yes Sharp Low Power Memory LCD via the U8g2 package
Temperature + humidity sensor Si7021 yes Silicon Labs Temperature + Humidity sensor

Flashing the device

To flash, SEGGER JLink is required.

Flashing is supported by RIOT-OS using the command below:

make flash

To run the GDB debugger, use the command:

make debug

Or, to connect with your own debugger:

make debug-server

License information

Silicon Labs' EMLIB: zlib-style license (permits distribution of source).

Files

file  board.h
 Board specific definitions for the xG23-PK6068A.
 
file  gpio_params.h
 Board specific configuration of direct mapped GPIOs.
 
file  periph_conf.h
 Configuration of CPU peripherals for xG23-PK6068A board.