Community hub
Recent from talks
Knowledge base stats:
Talk channels stats:
Members stats:
SLIMbus
The Serial Low-power Inter-chip Media Bus (SLIMbus) is a standard interface between baseband or application processors and peripheral components in mobile terminals. It was developed within the MIPI Alliance, founded by ARM, Nokia, STMicroelectronics and Texas Instruments. The interface supports many digital audio components simultaneously, and carries multiple digital audio data streams at differing sample rates and bit widths.
SLIMbus is implemented as a synchronous 2-wire, configurable Time Division Multiplexed (TDM) frame structure. It has supporting bus arbitration mechanisms and message structures which permit re-configuring the bus operational characteristics to system application needs at runtime. Physically, the data line (DATA) and the clock line (CLK) interconnect multiple SLIMbus components in a multi-drop bus topology. SLIMbus devices may dynamically “drop off” the bus and “reconnect” to the bus as required by using appropriate protocols outlined in the SLIMbus specification. When used in a mobile terminal or portable product, SLIMbus may replace legacy digital audio interfaces such as PCM, I2S, and SSI (Synchronous Serial Interface for digital audio), as well as some instances of many digital control buses such as I2C, SPI, microWire, UART, or GPIO pins on the digital audio components.
SLIMbus Device Class definitions are those which specify the minimum requirements for Device control data, Device behavior, and data Transport Protocol support. There are four SLIMbus Device Classes defined at the release of Version 1.01 of the SLIMbus specification: Manager, Framer, Interface, and Generic. Complete SLIMbus systems can be implemented without any additional Device Classes.
The Manager Device is responsible for configuring SLIMbus, and performs bus administration (administration of Components and Devices, bus configuration, and dynamic channel allocation) and is typically located in a baseband or application processor rather than in a peripheral component.
The Framer delivers a clock signal on the CLK line to all SLIMbus Components, and also contains logic to transmit the Frame Sync and Framing Information channels on the DATA line.
The Interface Device provides bus management services, monitors the Physical Layer for errors, reports information about the status of a SLIMbus Component, and otherwise manages the Component such that the Devices within it will function properly on the bus.
To implement a functional SLIMbus component always requires the use of a SLIMbus Interface Device, plus the function to be performed, such as DAC, ADC, digital amplifier, and so on.
A Generic Device is a Device other than a Manager, Framer, or Interface. A Generic Device is generally considered to be the device to provide certain application functionality, for example, conversion from digital audio to analog (DAC) and vice versa (ADC).
Hub AI
SLIMbus AI simulator
(@SLIMbus_simulator)
SLIMbus
The Serial Low-power Inter-chip Media Bus (SLIMbus) is a standard interface between baseband or application processors and peripheral components in mobile terminals. It was developed within the MIPI Alliance, founded by ARM, Nokia, STMicroelectronics and Texas Instruments. The interface supports many digital audio components simultaneously, and carries multiple digital audio data streams at differing sample rates and bit widths.
SLIMbus is implemented as a synchronous 2-wire, configurable Time Division Multiplexed (TDM) frame structure. It has supporting bus arbitration mechanisms and message structures which permit re-configuring the bus operational characteristics to system application needs at runtime. Physically, the data line (DATA) and the clock line (CLK) interconnect multiple SLIMbus components in a multi-drop bus topology. SLIMbus devices may dynamically “drop off” the bus and “reconnect” to the bus as required by using appropriate protocols outlined in the SLIMbus specification. When used in a mobile terminal or portable product, SLIMbus may replace legacy digital audio interfaces such as PCM, I2S, and SSI (Synchronous Serial Interface for digital audio), as well as some instances of many digital control buses such as I2C, SPI, microWire, UART, or GPIO pins on the digital audio components.
SLIMbus Device Class definitions are those which specify the minimum requirements for Device control data, Device behavior, and data Transport Protocol support. There are four SLIMbus Device Classes defined at the release of Version 1.01 of the SLIMbus specification: Manager, Framer, Interface, and Generic. Complete SLIMbus systems can be implemented without any additional Device Classes.
The Manager Device is responsible for configuring SLIMbus, and performs bus administration (administration of Components and Devices, bus configuration, and dynamic channel allocation) and is typically located in a baseband or application processor rather than in a peripheral component.
The Framer delivers a clock signal on the CLK line to all SLIMbus Components, and also contains logic to transmit the Frame Sync and Framing Information channels on the DATA line.
The Interface Device provides bus management services, monitors the Physical Layer for errors, reports information about the status of a SLIMbus Component, and otherwise manages the Component such that the Devices within it will function properly on the bus.
To implement a functional SLIMbus component always requires the use of a SLIMbus Interface Device, plus the function to be performed, such as DAC, ADC, digital amplifier, and so on.
A Generic Device is a Device other than a Manager, Framer, or Interface. A Generic Device is generally considered to be the device to provide certain application functionality, for example, conversion from digital audio to analog (DAC) and vice versa (ADC).