.. _hardware_reference:

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 <https://puri.sm/posts/librem5-2018-11-hardware-report/>`_.

  * 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