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Home > Products > Development Boards, Kits, Programmers > Programmers, Emulators, and Debuggers

STMicroelectronics ST7MDT20M-EMU3

Name: ST7MDT20M-EMU3
Brand: STMicroelectronics
SKU: ST7MDT20M-EMU3
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ST7MDT20M-EMU3

Manufacturer:: STMicroelectronics

Category:: Programmers, Emulators, and Debuggers

Package:

Datasheet:: ST7MDT20M-EMU3.pdf

Description:: KIT EMULATOR FOR ST72321/72521

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:1,973

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Product details

Overview

ST7MDT20M-EMU3 from STMicroelectronics is a third-generation full-featured real-time emulator for ST7 microcontrollers, supporting both emulation and In-Circuit Communication (ICC) configurations. It enables real-time trace recording (256K with timestamp), unlimited conditional breakpoints, programmable clock (32 kHz–16 MHz), low-voltage operation (1.8–5.5 V), and performance analysis via a four-level logic sequencer - used in embedded firmware development labs for ST7-based automotive body controllers.

For engineers reviewing the ST7MDT20M-EMU3 datasheet, ST7MDT20M-EMU3 pinout, ST7MDT20M-EMU3 application, or ST7MDT20M-EMU3 equivalent, this page details its dual-mode architecture (emulation + ICC), host interface options (parallel/USB/Ethernet), Target Emulation Board (TEB) compatibility, and integration with STVD7/STVP7 toolchain for complete ST7 Flash development workflows.

Technical Context

The ST7MDT20M-EMU3 implements a dual-configuration debug architecture: Emulation mode replaces the target ST7 on the application board using a package-specific adapter and TEB, enabling full register/memory access and real-time trace; ICC mode connects via a 10-pin ICC header soldered to the board, allowing in-circuit debugging and programming of ST7 Flash devices without removing the MCU.

It integrates ST Micro Connect interface hardware for host PC communication, supports all ST7 sub-families covered by the ST7MDT20M designation, and requires no target ST7 modification in emulation mode - while ICC mode demands only the 10-pin connector and compatible debug module in the target ST7.

Key Specifications

Parameter	Value and Actual Design Meaning
Emulation Mode	Replaces target ST7 on board using TEB and socket adapters; enables full memory/register read/write and real-time execution control.
ICC Mode	Connects via 10-pin ICC header; supports in-circuit debugging and Flash programming without MCU removal.
Trace Buffer	256K entries with timestamp - captures instruction/data flow for timing-critical firmware analysis.
Breakpoint Logic	Unlimited software breakpoints plus advanced hardware breakpoints on address, data value, opcode fetch, or stack operations.
Host Interface	Parallel port, USB, or Ethernet - provides flexible lab integration without requiring dedicated debug ports on host PC.
Voltage Range	1.8 V to 5.5 V - supports emulation of ST7 variants across industrial, automotive, and consumer supply rails.
Clock Programmability	32 kHz to 16 MHz - allows precise clock domain validation during firmware bring-up and timing-sensitive peripheral testing.

Availability

ST7MDT20M-EMU3 is available at Aetrix Electronics and suitable for ST7-based automotive body control modules, industrial PLC I/O firmware validation, and consumer appliance MCU development requiring stable component supply and long-term toolchain continuity.

Supply support for ST7MDT20M-EMU3 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing microcontrollers, power ICs, sensors, and analog/mixed-signal products for industrial, automotive, and consumer applications.

The ST7-EMU3 series belongs to ST's legacy embedded development tools product line, engineered specifically to accelerate firmware development for the ST7 8-bit Flash microcontroller family through integrated emulation and in-circuit programming capabilities.

FAQ

What host PC interfaces does the ST7MDT20M-EMU3 support?

The ST7MDT20M-EMU3 supports parallel port, USB, and Ethernet connections to the host PC via its ST Micro Connect interface hardware. This multi-interface design allows deployment in legacy lab environments (parallel), modern workstations (USB), and networked engineering teams (Ethernet), without requiring driver reconfiguration between modes.

Does the ST7MDT20M-EMU3 require modifications to the target ST7 microcontroller?

No - in Emulation mode, the ST7MDT20M-EMU3 replaces the target ST7 using a TEB and socket adapter, requiring no changes to the MCU or board. In ICC mode, only a 10-pin ICC header must be soldered to the application board; the ST7 itself needs no modification beyond having an integrated debug module and Flash memory.

Which ST7 microcontrollers are supported by this emulator?

The ST7MDT20M-EMU3 supports the ST7MDT20M sub-family of ST7 microcontrollers, as indicated by its order code prefix. It uses interchangeable Target Emulation Boards (TEBs) and package-specific adapters to match pinouts and electrical characteristics of ST7 devices in SO8, PDIP8, and other common packages within that sub-family.

Can ST7MDT20M-EMU3 perform Flash programming in-circuit?

Yes - when configured in ICC mode with the optional ST7-ICC/ADDON and a 10-pin ICC header installed on the application board, the ST7MDT20M-EMU3 enables full in-circuit programming (ICP) of ST7 Flash microcontrollers using STVP7 or STVD7 software, including read, verify, erase, and program operations without removing the device.

ST7MDT20M-EMU3 Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: ST7-EMU3

Packaging:: Bulk

Product Status:: Obsolete

Type:: Programmer

For Use With/Related Products:: ST72321, ST72521

Contents:: Board(s)

ST7MDT20M-EMU3 FAQ

1.How can I place an order for ST7MDT20M-EMU3 through Aetrix?

Please submit a Request for Quotation (RFQ) for ST7MDT20M-EMU3 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for ST7MDT20M-EMU3 reliable?

The price and inventory of ST7MDT20M-EMU3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ST7MDT20M-EMU3 is usually 5 days.

3.What payment methods are accepted for ST7MDT20M-EMU3?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ST7MDT20M-EMU3 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ST7MDT20M-EMU3?

ST7MDT20M-EMU3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ST7MDT20M-EMU3 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for ST7MDT20M-EMU3?

For technical support, including ST7MDT20M-EMU3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ST7MDT20M-EMU3 requirements.

6.How does Aetrix verify that ST7MDT20M-EMU3 is sourced from the original manufacturer or authorized distributors?

All ST7MDT20M-EMU3 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ST7MDT20M-EMU3 meets industry standards.

7.What is the process for return or replacement of ST7MDT20M-EMU3?

All ST7MDT20M-EMU3 units undergo pre-shipment inspection (PSI). If there is an issue with ST7MDT20M-EMU3, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The ST7MDT20M-EMU3 part is unused and in its original packaging.

Return procedure for ST7MDT20M-EMU3:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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