AM62A7 datasheet(212/238 Pages) TI1

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8.5 Peripherals

8.5.1 Gigabit Ethernet Switch (CPSW3G)

The 3-port Gigabit Ethernet Switch (CPSW0) subsystem provides Ethernet packet communication for the device

and can be configured as an Ethernet switch.

For more information, see Gigabit Ethernet Switch section in Peripherals chapter in the device TRM.

8.5.2 Camera Serial Interface Receiver (CSI_RX_IF)

The integration of the CSI_RX_IF module allows the device to stream video inputs from multiple cameras to

internal memory.

For more information, see Camera Serial Interface Receiver section in Peripherals chapter in the device TRM.

8.5.3 Display Subsystem (DSS)

The Display Subsystem (DSS) is a flexible, multi-pipeline subsystem that supports high-resolution display

outputs. DSS includes input pipelines providing multi-layer blending with transparency to enable on-the-fly

composition. Various pixel processing capabilities are supported, such as color space conversion and scaling,

among others. DSS includes a DMA engine, which allows direct access to the frame buffer (device system

memory). Display outputs to the Display Parallel Interface (DPI).

For more information, see Display Subsystem section in Peripherals chapter in the device TRM.

8.5.4 Enhanced Capture (ECAP)

The ECAP module provides accurate timing of events. When not being used for event capture, its resources can

be used to generate a single channel of asymmetrical PWM waveforms.

The Enhanced Capture (ECAP) module can be used for:

• Sample rate measurements of audio inputs

• Speed measurements of rotating machinery (for example, toothed sprockets sensed via Hall sensors)

• Elapsed time measurements between position sensor pulses

• Period and duty cycle measurements of pulse train signals

• Decoding current or voltage amplitude derived from duty cycle encoded current/voltage sensors

For more information, see Enhanced Capture section in Peripherals chapter in the device TRM.

8.5.5 Error Location Module (ELM)

The ELM extracts error addresses from generated syndrome polynomials.

The ELM is used with the GPMC. Syndrome polynomials generated on-the-fly when reading a NAND flash page

and stored in GPMC registers are passed to the ELM. A host processor can then correct the data block by

flipping the bits to which the ELM error-location outputs point.

When reading from NAND flash memories, some level of error-correction is required. In the case of NAND

modules with no internal correction capability, sometimes referred to as bare NANDs, the correction process is

delegated to the memory controller. ELM can be also used to support parallel NOR flash or NAND flash.

For more information, see Error Location Module section in Peripherals chapter in the device TRM.

8.5.6 Enhanced Pulse Width Modulation (EPWM)

An effective PWM peripheral must be able to generate complex pulse width waveforms with minimal CPU

overhead or intervention. It needs to be highly programmable and very flexible while being easy to understand

and use. The EPWM unit described here addresses these requirements by allocating all needed timing and

control resources on a per PWM channel basis. Cross coupling or sharing of resources has been avoided;

instead, the EPWM is built up from smaller single channel modules with separate resources and that can

operate together as required to form a system. This modular approach results in an orthogonal architecture and

provides a more transparent view of the peripheral structure, helping users to understand its operation quickly.

For more information, see Enhanced Pulse Width Modulation section in Peripherals chapter in the device TRM.

AM62A7, AM62A7-Q1, AM62A3, AM62A3-Q1

SPRSP77A – MARCH 2023 – REVISED AUGUST 2023

www.ti.com

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