Hardware Reference¶
This chapter contains a description of the hardware included with the Librem 5 developer kit and phone. The following list is a placeholder that will be replaced with individual sections. It is based on the information about the developer kits contained in this blog post.
- 10/100 Ethernet
- Audio Codec
- Bluetooth I2S interface
- Bluetooth (UART4)
- Camera (MIPI CSI)
- Charge Controller
- Charge controller’s thermistor
- Display’s LED backlight
- Earpiece speaker
- eMMC boot (boot mode switch in the “up” position)
- External microphone
- GNSS (UART interface and antenna)
- Haptic motor
- hardware kill switches for WiFi / BT and microphone
- headphones detect (HP_DET)
- Headphone speakers
- Headset microphone
- IMU (accelerometer, gyro, magnetometer)
- JTAG
- Microphone select IC
- Mini-HDMI
- MIPI DSI LCD panel
- On-board microphone
- Power indicator LEDs
- Powering from 18650 battery
- Proximity / ambient light sensor
- push buttons (power button, reset button, volume up, volume down)
- RedPine WiFi/BT M.2 module on SDIO
- RTC
- Safely charging an 18650 battery
- Serial Downloader (loading u-boot via USB)
- Smart card reader and smart card slot
- SoM (pinout mostly validated, SoC, eMMC, and PMIC working)
- SPI NOR Flash
- Touch controller
- UART Debug
- USB-C
- USB-C role switching
- USB Hub and SD controller
- User LED
- WLAN/BT antennae
- WWAN hardware kill switch
- WWAN I2S interface
- WWAN module, SIM card and antenna
Additional sections may also cover these components:
- Audio jacks - headphone, microphone
- Modem