Control Register Bank: temperature_range -40°C to +85°C

Component Specifications

Definition

A Control Register Bank is a specialized memory unit within a Direct Memory Access (DMA) Engine that contains multiple registers for storing control parameters, status flags, and configuration settings. It serves as the central control interface between the CPU and DMA controller, enabling efficient data transfer management without continuous processor intervention. This component typically includes registers for source/destination addresses, transfer count, mode selection, and interrupt control.

Working Principle

The Control Register Bank operates by storing binary control words that configure DMA transfer operations. When the CPU writes configuration data to these registers, the DMA controller reads the parameters to execute data transfers between memory and peripheral devices. The bank uses address decoding logic to select specific registers and maintains state information throughout transfer cycles. It enables parallel processing by allowing the CPU to set up multiple transfer parameters while previous operations are executing.

Materials

Semiconductor silicon substrate with CMOS transistors, aluminum/copper interconnects, silicon dioxide insulation, and protective packaging materials (ceramic or plastic).

Technical Parameters

Parameter	Typical range	Notes & selection driver
Access Time	≤5 ns
Register Count	8-16
Register Width	32-bit
Operating Voltage	3.3V or 1.8V
Power Consumption	≤50 mW
Temperature Range	-40°C to +85°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 26262, IEC 61508, JEDEC JESD22

Parent Products

This component is used in the following industrial products

DMA Engine

Hardware component within an I/O Interface Controller that manages direct memory access operations without CPU intervention

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Encoding Algorithm Unit

A specialized hardware or software module within an encoding processor that implements specific encoding algorithms for data transformation and compression.

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Engineering Analysis

Risks & Mitigation

Register corruption due to power fluctuations
Address decoding errors
Timing violations in high-speed operations
Electrostatic discharge damage

FMEA Triads

Trigger: Power supply instability or voltage spikes
Failure: Register data corruption or loss
Mitigation: Implement power conditioning circuits, add parity/ECC protection, use voltage monitoring circuits

Trigger: Clock signal jitter or skew
Failure: Timing violations leading to incorrect register access
Mitigation: Use clock distribution networks with balanced loads, implement timing margin analysis, add metastability protection

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±5% voltage regulation, ±100 ppm clock stability, signal integrity within 20% eye diagram margin

Test Method

Boundary scan testing (JTAG), memory BIST, functional verification with test vectors, signal integrity analysis

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

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Inspection readiness

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Supplier transparency

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Manufacturers of Control Register Bank

Manufacturer profiles associated with Control Register Bank.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the main function of a Control Register Bank in DMA Engine?

The Control Register Bank stores all configuration parameters needed for DMA operations, including source/destination addresses, transfer size, transfer mode, and interrupt settings, allowing the DMA controller to execute data transfers independently from the CPU.

How does the Control Register Bank improve system performance?

By enabling the CPU to pre-configure multiple transfer parameters in registers, the DMA controller can execute data transfers in parallel with CPU operations, reducing processor overhead and improving overall system throughput.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Control Register Bank