Residential Thermostat

Block Diagram

Choose a diagram:

Residential Thermostat i.MX6ULL

Residential Thermostat BD1

Residential Thermostat i.MXRT1060

Residential Thermostat BD2

Supported Devices


USB PD-PHY and CC-Logic

3.3 V / 5 V IO CAN Transceivers

Power Management

AC-DC Controllers with Integrated Power Switch

Wireless Connectivity

Wi-Fi® + Bluetooth® + 802.15.4

Processors and Microcontrollers

i.MX 6 Processors


I3C/I²C Digital Temp. Sensors


CPU Complex

  • Cortex®-A7 core up to 900 MHz, 128 KB L2 cache


  • Parallel LCD Display up to WXGA (1366x768)
  • 8/10/16/24-bit Parallel Camera Sensor Interface
  • Electrophoretic display controller support direct-driver for E-Ink EPD panel, with up to 2048x1536 resolution at 106 Hz


  • 16-bit LP-DDR2, DDR3/DDR3L
  • 8/16-bit Parallel NOR FLASH / PSRAM
  • Dual-channel Quad-SPI NOR FLASH
  • 8-bit Raw NAND FLASH with 40-bit ECC


  • 2x MMC 4.5/SD 3.0/SDIO Port
  • 2x USB 2.0 OTG, HS/FS, Device or Host with PHY
  • Audio Interfaces include 3x I2S/SAI, S/PDIF Tx/Rx
  • 2x 10/100 Ethernet with IEEE 1588
  • 2x 12-bit ADC, up to 10 input channel total, with resistive touch controller (4-wire/5-wire)

Wi-Fi Key Features

  • Support 802.11a/b/g/n
  • Dual band: 2.4 GHz and 5 GHz
  • Single stream 802.11n with 20 MHz and 40 MHz channels
  • Up to MCS7 data rates (150 Mbit/s)
  • Dynamic Rapid Channel Switching (DRCS) for simultaneous operation in 2.4 GHz and 5 GHz bands
  • IEEE 802.15.2 packet traffic arbiter (PTA) coexistence interface to coexist with 802.15.4, and other external radios
  • Security: WPA3, WPA2, WPA2-WPA mixed mode
  • SDIO host interface

Bluetooth® Key Features

  • Bluetooth 5.2 support
  • Long range - 4x coverage
  • 2 Mbit/s data rate - 2x faster
  • Improved advertisement capacity- enables more IoT services
  • I2S and PCM interfaces
  • AES Security
  • UART host interface


Quick reference to our documentation types.

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