Microchip Technology MA330040

Overview

The MA330040 from Microchip Technology is a dsPIC33CH128MP508 Plug-In Module (PIM) designed for rapid evaluation and development of the dual-core dsPIC33CH128MP508 microcontroller on Explorer 16/32 Development Boards. It provides full access to 100-pin PIM connector signals mapped to the 80-pin TQFP device, supports dual-core debugging (Master/Slave), enables mikroBUS™ interface expansion, and demonstrates real-time core coordination via mailbox-based inter-core communication.

For engineers reviewing the MA330040 datasheet, MA330040 pinout, MA330040 application, or MA330040 equivalent, this module delivers verified hardware integration with Explorer 16/32 boards, dual-debug capability via ICSP™ and dedicated J2 header, preconfigured LCD, potentiometer, push-button, and LED interfaces, and out-of-box demo firmware illustrating Master/Slave task partitioning for deterministic real-time performance.

Technical Context

The MA330040 implements a physical adapter interface between the dsPIC33CH128MP508 (80-pin TQFP) and the Explorer 16/32's 100-pin PIM socket. It routes all essential power (VDD/VSS), oscillator (OSCI/OSCO), programming/debug (PGC2/PGD2, PGC1/PGD1), and I/O signals-including dual-core debug paths (J2 6-pin staggered header), mikroBUS™ A/B SPI/I²C/AN/PWM/INT/RST, LCD control (RS/E/D0–D7), and user peripherals (S3/S4/S5/S6 buttons, D1–D10 LEDs, 10kΩ potentiometer, TC1047A temperature sensor).

It supports four distinct debug configurations: Master-only release, Slave-only release, mixed debug/release, and simultaneous dual-debug-requiring two debug tools only in the last mode. The module includes passive decoupling (0.1 µF ×5, 1 µF ×1), jumper-resistor options (R1–R3) for optional signal routing, and mechanical retention features on J2 for temporary debugger attachment without soldering.

Key Specifications

Availability

MA330040 is available at Aetrix Electronics and suitable for embedded motor control prototyping, digital power converter development, real-time signal processing validation, and dual-core firmware architecture exploration requiring stable component supply and immediate board-level integration.

Supply support for MA330040 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

Microchip Technology Inc. is a U.S.-based semiconductor manufacturer specializing in microcontrollers, analog devices, FPGAs, and development tools for embedded control applications.

The dsPIC33CH series targets high-performance digital signal control with dual-core architecture-Master core for system management and Slave core for deterministic real-time tasks-enabling complex closed-loop control, motor drive algorithms, and power conversion firmware.

FAQ

What is the MA330040 and how does it integrate with development hardware?

The MA330040 is a plug-in module that mounts directly into the Explorer 16 or Explorer 16/32 Development Board's PIM socket. It carries the dsPIC33CH128MP508 dual-core DSC and routes its 80-pin TQFP signals-including power, oscillator, debug, and I/O-to the 100-pin PIM interface. This allows immediate evaluation without custom PCB design. The MA330040 enables full hardware access to both cores, supporting all four debug modes described in its documentation.

Does the MA330040 support simultaneous debugging of both Master and Slave cores?

Yes, the MA330040 supports simultaneous dual-core debugging ("Dual Debug" mode) using two separate debug tools: one connected via the Explorer 16/32's standard ICSP™ interface (for the Master core), and a second connected directly to the 6-pin staggered J2 header on the MA330040 (for the Slave core). This configuration is explicitly validated in the dsPIC33CH128MP508 PIM Information Sheet and requires no hardware modification.

Which peripheral interfaces are exposed by the MA330040 for rapid prototyping?

The MA330040 exposes mikroBUS™ A and B headers (SPI, I²C, analog input, PWM, interrupt, reset), an 8-bit LCD interface (D0–D7, RS, E), a 10kΩ potentiometer, TC1047A temperature sensor, four push buttons (S3–S6), and ten LEDs (D1–D10). All are electrically connected to corresponding dsPIC33CH128MP508 pins per Tables 1 and 2, enabling immediate use with stock Explorer 16/32 firmware examples.

How is the MA330040 powered and what decoupling is provided?

The MA330040 receives 3.3 V power (VDD_PIM) from the Explorer 16/32 board through multiple PIM pins (e.g., P2, P16, P30, P37, P46, P62, P75, P97). It incorporates six ceramic decoupling capacitors: five 0.1 µF (C1, C2, C4, C5, C10) and one 1 µF (C10), placed near the dsPIC33CH128MP508 power pins to ensure stable operation during high-speed dual-core execution and analog sampling.

Can the MA330040 be used without the Explorer 16/32 Development Board?

No-the MA330040 is a plug-in module designed exclusively for mechanical and electrical compatibility with the Explorer 16/32 Development Board's PIM socket. It lacks onboard voltage regulation, USB interface, or standalone programming circuitry. All power, programming, debugging, and user interface functions depend on the host Explorer board. Attempting standalone use would require external power, debug adapters, and custom signal routing not supported by the MA330040's layout or documentation.