STMicroelectronics ST7MDT20-T32/DVP

Overview

ST7MDT20-T32/DVP from STMicroelectronics is a TQFP32 (7×7 mm) connection kit designed to interface the ST7MDT20-DVP3 in-circuit emulator with target application boards hosting ST7 microcontrollers in 32-pin TQFP packages. It includes DB545 adapter, DB522 device adapter, and SK-UGA06/32A-01 solderable socket for non-invasive debugging.

For engineers reviewing the ST7MDT20-T32/DVP datasheet, ST7MDT20-T32/DVP pinout, ST7MDT20-T32/DVP application, or ST7MDT20-T32/DVP equivalent, this kit enables reliable JTAG/SWD signal routing, mechanical alignment via pin-1 indicators, and field-replaceable emulation without soldering the MCU itself - critical for iterative firmware validation on production-representative PCBs.

Technical Context

The kit implements a three-tier physical interconnect: the SK-UGA06/32A-01 socket mounts permanently to the target board; the DB522 device adapter mates with the socket and provides footprint translation; the DB545 adapter bridges to the ST7MDT20-DVP3 probe's J1/J2 headers. All components maintain signal integrity for ST7's debug clock (up to 8 MHz) and bidirectional data lines.

Pin-1 alignment markers are physically implemented on both DB522 and SK-UGA06/32A-01 to prevent orientation errors during insertion. The system supports hot-plug emulation only after full mechanical seating - no active logic or voltage translation is performed; it is a passive, impedance-matched pass-through interface.

Key Specifications

Availability

ST7MDT20-T32/DVP is available at Aetrix Electronics and suitable for ST7 microcontroller firmware development, production line debug validation, and embedded systems qualification requiring stable component supply for legacy toolchain support.

Supply support for ST7MDT20-T32/DVP 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 devices, sensors, and analog ICs for industrial, automotive, and consumer applications.

This kit belongs to the ST7 DVP3 emulator accessory product line, engineered specifically to extend debug visibility into ST7-based designs using standardized, low-risk physical interfaces without modifying target hardware layout.

FAQ

Is ST7MDT20-T32/DVP compatible with non-ST7 microcontrollers?

No. This kit is mechanically and electrically optimized exclusively for ST7 family microcontrollers in TQFP32 (7×7 mm) packages. Pinout, signal mapping, and debug protocol timing align only with ST7's DVP3 interface specification - no adaptation or reconfiguration is supported for other MCU families.

Can the SK-UGA06/32A-01 socket be reused after MCU replacement?

Yes. The SK-UGA06/32A-01 is a soldered zero-insertion-force (ZIF) socket designed for repeated MCU insertion/removal. When used with the optional CA-QFE32SA-L-Z-T-02-D1442 clam-shell socket (not included), the target ST7 can be swapped while retaining the emulator interface intact.

Does ST7MDT20-T32/DVP require external power or configuration?

No. The kit contains no active components, regulators, or configuration circuitry. It draws no power and requires no firmware, jumpers, or DIP switches - operation is purely passive signal routing between the ST7MDT20-DVP3 probe and the target board's TQFP32 footprint.

What documentation accompanies ST7MDT20-T32/DVP?

The kit references two official ST documents: the ST7-DVP3 User Manual (common to all DVP3 emulators) and the ST7MDT20-DVP3 Probe User Guide (specific to this probe). No standalone datasheet exists for the kit; functional guidance is embedded in those application-level guides.