Protocol decoders

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This is a list of supported protocol decoders (PDs) and decoders which we might want to write in the future (or users might want to contribute).

See Protocol decoder API for details on how the decoders work in sigrok, and Protocol decoder HOWTO for a quick introduction about how to write your own decoders.

Supported protocol decoders

Number of currently supported protocol decoders: 100.

Protocol Tags Input IDs Output IDs Status Full name Description
AC '97 Audio, PC logic supported Audio Codec '97 Audio and modem control for PC systems.
ADE77xx Analog/digital, IC, Sensor spi supported Analog Devices ADE77xx Poly phase multifunction energy metering IC protocol.
ADF435x Clock/timing, IC, Wireless/RF spi supported Analog Devices ADF4350/1 Wideband synthesizer with integrated VCO.
ADNS-5020 IC, PC, Sensor spi supported Avago ADNS-5020 Bidirectional optical mouse sensor protocol.
AM230x IC, Sensor logic supported Aosong AM230x/DHTxx/RHTxx Aosong AM230x/DHTxx/RHTxx humidity/temperature sensor.
ARM ETMv3 Debug/trace uart supported ARM Embedded Trace Macroblock v3 ARM ETM v3 instruction trace protocol.
ARM ITM Debug/trace uart supported ARM Instrumentation Trace Macroblock ARM Cortex-M / ARMv7m ITM trace protocol.
ARM TPIU Debug/trace uart uart supported ARM Trace Port Interface Unit Filter TPIU formatted trace data into separate streams.
ATSHA204A Security/crypto, IC, Memory i2c supported Microchip ATSHA204A Microchip ATSHA204A crypto authentication protocol.
AUD Debug/trace logic supported Advanced User Debugger Renesas/Hitachi Advanced User Debugger (AUD) protocol.
AVR ISP Debug/trace spi supported AVR In-System Programming Atmel AVR In-System Programming (ISP) protocol.
AVR PDI Debug/trace logic supported Atmel Program and Debug Interface Atmel ATxmega Program and Debug Interface (PDI) protocol.
CAN Automotive logic supported Controller Area Network Field bus protocol for distributed realtime control.
CC1101 IC, Wireless/RF spi supported Texas Instruments CC1101 Low-power sub-1GHz RF transceiver chip.
CEC Display, PC logic supported HDMI-CEC HDMI Consumer Electronics Control (CEC) protocol.
CFP Networking mdio supported 100 Gigabit C form-factor pluggable 100 Gigabit C form-factor pluggable (CFP) protocol.
Counter Util logic supported Edge counter Count the number of edges in a signal.
DALI Embedded/industrial, Lighting logic supported Digital Addressable Lighting Interface Digital Addressable Lighting Interface (DALI) protocol.
DCF77 Clock/timing logic supported DCF77 time protocol European longwave time signal (77.5kHz carrier signal).
DMX512 Embedded/industrial, Lighting logic supported Digital MultipleX 512 Digital MultipleX 512 (DMX512) lighting protocol.
DS1307 Clock/timing, IC i2c supported Dallas DS1307 Dallas DS1307 realtime clock module protocol.
DS2408 Embedded/industrial, IC onewire_network supported Maxim DS2408 1-Wire 8-channel addressable switch.
DS243x IC, Memory onewire_network supported Maxim DS2432/3 Maxim DS243x series 1-Wire EEPROM protocol.
DS28EA00 IC, Sensor onewire_network supported Maxim DS28EA00 1-Wire digital thermometer 1-Wire digital thermometer with Sequence Detect and PIO.
DSI Embedded/industrial, Lighting logic supported Digital Serial Interface Digital Serial Interface (DSI) lighting protocol.
EDID Display, Memory, PC i2c supported Extended Display Identification Data Data structure describing display device capabilities.
24xx EEPROM IC, Memory i2c supported 24xx I²C EEPROM 24xx series I²C EEPROM protocol.
93xx EEPROM IC, Memory microwire supported 93xx Microwire EEPROM 93xx series Microwire EEPROM protocol.
EM4100 IC, RFID logic supported RFID EM4100 EM4100 100-150kHz RFID protocol.
EM4305 IC, RFID logic supported RFID EM4205/EM4305 EM4205/EM4305 100-150kHz RFID protocol.
GPIB PC logic supported General Purpose Interface Bus IEEE-488 General Purpose Interface Bus (GPIB / HPIB).
Gray code Encoding logic supported Gray code and rotary encoder Accumulate rotary encoder increments, provide statistics.
Guess bitrate Clock/timing, Util logic supported Guess bitrate/baudrate Guess the bitrate/baudrate of a UART (or other) protocol.
I²C Embedded/industrial logic i2c supported Inter-Integrated Circuit Two-wire, multi-master, serial bus.
I²C demux Util i2c supported I²C demultiplexer Demux I²C packets into per-slave-address streams.
I²C filter Util i2c i2c supported I²C filter Filter out addresses/directions in an I²C stream.
I²S Audio, PC logic i2s supported Integrated Interchip Sound Serial bus for connecting digital audio devices.
IEC PC, Retro computing logic supported Commodore IEC bus Commodore serial IEEE-488 (IEC) bus protocol.
IR NEC IR logic supported IR NEC NEC infrared remote control protocol.
IR RC-5 IR logic supported IR RC-5 RC-5 infrared remote control protocol.
Jitter Clock/timing, Util logic supported Timing jitter calculation Retrieves the timing jitter between two digital signals.
JTAG Debug/trace logic jtag supported Joint Test Action Group (IEEE 1149.1) Protocol for testing, debugging, and flashing ICs.
JTAG / EJTAG Debug/trace jtag supported Joint Test Action Group / EJTAG (MIPS) MIPS EJTAG protocol.
JTAG / STM32 Debug/trace jtag supported Joint Test Action Group / ST STM32 ST STM32-specific JTAG protocol.
LIN Automotive uart supported Local Interconnect Network Local Interconnect Network (LIN) protocol.
LM75 Sensor i2c supported National LM75 National LM75 (and compatibles) temperature sensor.
LPC PC logic supported Low Pin Count Protocol for low-bandwidth devices on PC mainboards.
Maple bus Retro computing logic supported SEGA Maple bus Maple bus peripheral protocol for SEGA Dreamcast.
MAX7219 Display spi supported Maxim MAX7219/MAX7221 Maxim MAX72xx series 8-digit LED display driver.
MCS-48 Retro computing logic supported Intel MCS-48 Intel MCS-48 external memory access protocol.
MDIO Networking logic mdio supported Management Data Input/Output MII management bus between MAC and PHY.
Microwire Embedded/industrial logic microwire supported Microwire 3-wire, half-duplex, synchronous serial bus.
MIDI Audio, PC uart supported Musical Instrument Digital Interface Musical Instrument Digital Interface (MIDI) protocol.
Miller Encoding logic supported Miller encoding Miller encoding protocol.
MLX90614 IC, Sensor i2c supported Melexis MLX90614 Melexis MLX90614 infrared thermometer protocol.
Modbus Embedded/industrial uart modbus supported Modbus RTU over RS232/RS485 Modbus RTU protocol for industrial applications.
Morse Encoding logic supported Morse code Demodulated morse code protocol.
MRF24J40 IC, Wireless/RF spi supported Microchip MRF24J40 IEEE 802.15.4 2.4 GHz RF tranceiver chip.
MXC6225XU IC, Sensor i2c supported MEMSIC MXC6225XU Digital Thermal Orientation Sensor (DTOS) protocol.
nRF24L01(+) IC, Wireless/RF spi supported Nordic Semiconductor nRF24L01(+) 2.4GHz RF transceiver chip.
Nunchuk Sensor i2c supported Nintendo Wii Nunchuk Nintendo Wii Nunchuk controller protocol.
1-Wire link layer Embedded/industrial logic onewire_link supported 1-Wire serial communication bus (link layer) Bidirectional, half-duplex, asynchronous serial bus.
1-Wire network layer Embedded/industrial onewire_link onewire_network supported 1-Wire serial communication bus (network layer) Bidirectional, half-duplex, asynchronous serial bus.
OOK Encoding logic ook supported On-off keying On-off keying protocol.
Oregon Sensor ook supported Oregon Scientific Oregon Scientific weather sensor protocol.
OOK visualisation Encoding ook ook supported On-off keying visualisation OOK visualisation in various formats.
PAN1321 Wireless/RF uart supported Panasonic PAN1321 Bluetooth RF module with Serial Port Profile (SPP).
Parallel Util logic parallel supported Parallel sync bus Generic parallel synchronous bus.
PS/2 PC logic supported PS/2 PS/2 keyboard/mouse interface.
PWM Encoding logic supported Pulse-width modulation Analog level encoded in duty cycle percentage.
Qi Embedded/industrial, Wireless/RF logic supported Qi charger protocol Protocol used by Qi receiver.
RC encode IC, IR logic supported Remote control encoder PT2262/HX2262/SC5262 remote control encoder protocol.
RFM12 Wireless/RF spi supported HopeRF RFM12 HopeRF RFM12 wireless transceiver control protocol.
RGB LED (SPI) Display spi supported RGB LED string decoder (SPI) RGB LED string protocol (RGB values clocked over SPI).
RGB LED (WS281x) Display, IC logic supported RGB LED string decoder (WS281x) RGB LED string protocol (WS281x).
RTC-8564 Clock/timing i2c supported Epson RTC-8564 JE/NB Realtime clock module protocol.
SDA2506 IC, Memory logic supported Siemens SDA 2506-5 Serial nonvolatile 1-Kbit EEPROM.
SD card (SD mode) Memory logic supported Secure Digital card (SD mode) Secure Digital card (SD mode) low-level protocol.
SD card (SPI mode) Memory spi supported Secure Digital card (SPI mode) Secure Digital card (SPI mode) low-level protocol.
S/PDIF Audio, PC logic supported Sony/Philips Digital Interface Format Serial bus for connecting digital audio devices.
SPI Embedded/industrial logic spi supported Serial Peripheral Interface Full-duplex, synchronous, serial bus.
SPI flash IC, Memory spi supported SPI flash chips xx25 series SPI (NOR) flash chip protocol.
SSI32 Embedded/industrial spi supported Synchronous Serial Interface (32bit) Synchronous Serial Interface (32bit) protocol.
ST7735 Display, IC logic supported Sitronix ST7735 Sitronix ST7735 TFT controller protocol.
Stepper motor Embedded/industrial logic supported Stepper motor position / speed Absolute position and movement speed from step/dir.
SWD Debug/trace logic swd supported Serial Wire Debug Two-wire protocol for debug access to ARM CPUs.
SWIM Debug/trace logic supported STM8 SWIM bus STM8 Single Wire Interface Module (SWIM) protocol.
T55xx IC, RFID logic supported RFID T55xx T55xx 100-150kHz RFID protocol.
TI TCA6408A Embedded/industrial, IC i2c supported Texas Instruments TCA6408A Texas Instruments TCA6408A 8-bit I²C I/O expander.
Timing Clock/timing, Util logic supported Timing calculation with frequency and averaging Calculate time between edges.
TI TLC5620 IC, Analog/digital logic supported Texas Instruments TLC5620 Texas Instruments TLC5620 8-bit quad DAC.
UART Embedded/industrial logic uart supported Universal Asynchronous Receiver/Transmitter Asynchronous, serial bus.
USB packet PC usb_signalling usb_packet supported Universal Serial Bus (LS/FS) packet USB (low-speed and full-speed) packet protocol.
USB PD PC logic usb_pd supported USB Power Delivery USB Power Delivery protocol.
USB request PC usb_packet usb_request supported Universal Serial Bus (LS/FS) transaction/request USB (low-speed/full-speed) transaction/request protocol.
USB signalling PC logic usb_signalling supported Universal Serial Bus (LS/FS) signalling USB (low-speed/full-speed) signalling protocol.
Wiegand Embedded/industrial, RFID logic supported Wiegand interface Wiegand interface for electronic entry systems.
X2444M/P IC, Memory spi supported Xicor X2444M/P Xicor X2444M/P nonvolatile static RAM protocol.
XFP Networking i2c supported 10 Gigabit Small Form Factor Pluggable Module (XFP) XFP I²C management interface structures/protocol
Z80 Retro computing logic supported Zilog Z80 CPU Zilog Z80 microprocessor disassembly.

Possible candidates for future protocol decoders

Protocol Category Input ID(s) Output ID(s) Status Description Comments
SA8807A Displays spi 0% SPI-attached LCD. Datasheet: Sames SA8807A.
EA eDIPTFT43-A Displays i2c 0% I2C-attached LCD. Datasheet: EA eDIPTFT43-A.
Analog Devices AD7291 ADC i2c 0% I2C-attached ADC. Datasheet: Analog Devices AD7291.
Analog Devices ADS1258 ADC spi ads1258 0% SPI-attached ADC. Planned (Uwe Hermann).
Microchip MCP3901 ADC spi mcp3901 0% Can be controlled via a parallel protocol, or SPI, or I2C. Planned (Uwe Hermann).
JTAG / TMPA9xx Flash/debug jtag jtag_tmpa9xx 0% Toshiba TMPA9xx specific JTAG protocol details.
USB transfer USB usb_request usb_transfer 0%
USB / HID USB usb_transfer usb_hid 0%
USB / CDC USB usb_transfer usb_cdc 0%
USB / USBTMC USB usb_transfer usb_usbtmc 0%
Dallas DS1985 Other onewire_network 0% Dallas DS1985 iButton (1-Wire) device. Planned (Uwe Hermann).
UNI/O Embedded 0%
SSI Embedded 0% Synchronous Serial Interface
CompactFlash Memory 0%
MMC Memory 0%
Memory Stick Memory 0%
SmartMedia Memory 0%
xD-Picture Card Memory 0%
ISO 7816 Smartcards 0%
FlexRay Automotive 70% FlexRay is an automotive network communications protocol. Work in progress (Stephan Thiele).
AVR TPI Flash/debug 0% Atmel Tiny Programming Interface (TPI) protocol.
FWH PC 0%
ISA PC 0%
PCI PC 0%
SMBus PC 0%
IDE PC 0%
SCSI PC 0%
PECI PC 0% Platform Environment Control Interface
SVID PC 0% Serial Voltage Identification
MFM PC 90% Floppy disk FM and MFM. Work in progress (David Wiens).
HD Audio Audio 0%
Nokia NRC17 IR 0%
Sony SIRC IR 0%
Philips RC-6 IR 0%
Philips RC-MM IR 0%
Philips RECS80 IR 0%
IrDA Misc 0%
HD44780 Displays 0% HD44780 character LCD protocol
7-segment display Displays 0%
PCF8814 Displays pcf8814 50% Philips PCF8814 65 x 96 pixels matrix LCD driver Work in progress (Uwe Hermann).
PCF8814 LCD Displays pcf8814 pcf8814_lcd 50% Philips PCF8814 65 x 96 pixels matrix LCD driver Work in progress (Uwe Hermann).
RDM Industrial Lighting rdm 0%
NMEA 0183 GPS uart nmea0183 0%
NMEA2000 Marine can nmea2000 0% NMEA 2000 Wikipedia page
DCC Trains dcc 0%
MVB Trains mvb 0% Multifunction Vehicle Bus
WTB Trains wtb 0% Wire Train Bus
C-Bus Home automation cbus 0%
X10 Home automation x10 0%
LonWorks Home automation lonworks 0%
S-Bus Home automation sbus 0%
M-Bus Automation mbus 0%
Modbus ASCII Automation uart modbus 0%
Modbus TCP Automation ip modbus 0%
HART protocol Automation hart 0%
INTERBUS Automation interbus 0%
DirectNET Automation uart directnet 0%
KNX Automation various knx 0%
BACnet Automation bacnet 0%
OpenTherm Automation opentherm 0%
EBUS Automation uart ebus 0%
AUI Networking aui 0% Attachment Unit Interface
MDI Networking mdi 0% Medium Dependent Interface
MII Networking mii 0% Media Independent Interface
GMII Networking gmii 0% Gigabit Media Independent Interface
XGMII Networking xgmii 0% 10 Gigabit Media Independent Interface
ESP8266 Wireless uart esp8266 0% WiFi Serial Transceiver
TMDS (HDMI / DVI Pixel Data) Display tmds 1% https://github.com/mithro/tmds_encoding Work in progress (mithro)
Easymatic Home automation uart easymatic 10% Work in progress (Platypus)
DDC/CI PC i2c 0%
Kenwood VH Misc 50% SYSTEM CONTROL protocol used by Kenwood's VH HiFi-system In progress: https://github.com/kripton/libsigrokdecode/compare/kenwood_vh
IEC 61131-9 Industrial 0% "Single-drop digital communication interface for small sensors and actuators (SDCI, marketed as IO-Link)" https://en.wikipedia.org/wiki/IEC_61131
NRZ encoding family 0% Non-Return-to-Zero and its variants whoever wants it
Manchester encoding 0% Manchester code whoever wants it
Sony LANC 0% Sony LANC whoever wants it, contact AlexDaniel for more info. You can already decode the raw data by using UART with 9600 baud and no parity, but it'd be better if pulseview displayed the meaning (as in what these commands do)
CAN-FD Automotive can 60% Controller Area Network with Flexible Data Rate Work in progress (Stephan Thiele).