MAC7121MPV50 - 32-Bit 50MHz 512KB Flash MCU | NXP
MPN: MAC7121MPV50 ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
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| 500 | $0 | $0.00 |
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MAC7121MPV50 Overview
An MCU is an integrated circuit that combines a processor core, program memory, data memory, peripherals, and interrupt control on one semiconductor device. The MAC7121MPV50 sits in the hierarchy embedded controller -> microcontroller -> integrated circuit -> semiconductor. Its flash-backed program memory supports standalone firmware storage, while the ARM7TDMI-S core provides the execution engine for real-time embedded control.
The verified listing identifies the MAC7121MPV50 as a single-core, 32-bit device operating at 50 MHz with 512 KB, or 512K x 8, of flash. Its 112-lead LQFP package uses a square 20 mm x 20 mm gull-wing format. The available evidence also identifies CANbus, I2C, SCI, and SPI connectivity in a comparison listing, although complete peripheral, voltage, timing, and electrical limits require confirmation from the original manufacturer documentation.
Typical embedded uses include industrial control, automotive electronics, communications gateways, motor and actuator control, sensor acquisition, and networked embedded equipment. The 50 MHz ARM7TDMI-S core is appropriate for deterministic control loops and protocol handling when the design stays within the device's verified electrical and peripheral limits. The 512 KB flash capacity provides room for application firmware, boot code, diagnostics, and configuration data.
A key design consideration is that package compatibility alone does not establish a safe replacement. Before substitution, verify the exact pin assignments, supply voltage, clock configuration, memory map, peripheral set, electrical ratings, temperature grade, and software support. For automotive or safety-related use, also confirm qualification, errata, production status, and manufacturer change notifications.
This product page consolidates the verified distributor identity, package and memory data, sourcing links, and engineering cautions into one reference. It distinguishes verified facts from parameters that still require confirmation from the manufacturer datasheet, helping engineers evaluate MAC7121MPV50 without relying on unverified generic MCU assumptions.
Drop-in alternatives for MAC7121MPV50 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MAC7101MAG40
✅ Drop-In📋 Reference alternative (not in catalog)
MAC7121MPV50 Maximum Ratings & Electrical Characteristics
| Product Type | 32-bit microcontroller IC |
| Processor Core | ARM7TDMI-S |
| Core Width | 32-bit |
| Operating Frequency | 50 MHz |
| Program Memory | 512 KB flash (512K x 8) |
| Architecture | Single-core |
| Package | 112-LQFP, 20 mm x 20 mm |
| Package Shape | Square |
| Terminal Form | Gull wing |
| Number of Terminals | 112 |
| Temperature Grade | Automotive |
| Connectivity Listed | CANbus, I2C, SCI, SPI |
| Product Family | MAC71 |
| Manufacturer Status | Currently reported as active in active-production listing |
MAC7121MPV50 square Pin Configuration Guide
Pin configuration for MAC7121MPV50 (square package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MAC7121MPV50.
Refer to the datasheet for full pin configuration.
Typical Applications
MAC7121MPV50 is suitable for 6 applications: Industrial Control Node, Automotive Communication Controller, CAN-Based Sensor Gateway, Motor and Actuator Control, Industrial Sensor Acquisition, Communication Adapter.
Industrial Control Node
The MAC7121MPV50 fits an industrial controller requiring a 50 MHz ARM7TDMI-S execution core and 512 KB of flash for control firmware. Its listed CANbus, I2C, SCI, and SPI connectivity can connect sensors, remote I/O modules, actuators, and service interfaces. The architecture is suitable for deterministic supervisory loops, but the completed design must follow the verified pin assignment, clock, supply, and timing requirements in the manufacturer hardware specification. Firmware partitioning is important because 512 KB is shared by application code, boot support, diagnostics, and configuration data.
Recommended
Automotive Communication Controller
The MAC7121MPV50 is a candidate for automotive communication and body-control functions because the verified sourcing identifies an automotive temperature grade and a 50 MHz ARM7TDMI-S core. CANbus connectivity can support vehicle network communication, while SCI, SPI, and I2C can connect sensors and local controllers. Automotive deployment requires confirmation of the exact temperature range, AEC-Q100 status, electrical limits, errata, and lifecycle commitments; automotive temperature grade alone does not prove qualification.
Recommended
CAN-Based Sensor Gateway
The MAC7121MPV50 can serve as a sensor gateway when a design needs to collect local sensor data and forward it over a CANbus network. The 32-bit ARM7TDMI-S core at 50 MHz provides the verified computational basis for protocol handling and supervisory logic, while 512 KB flash supports gateway firmware and configuration. The listed SPI and I2C connectivity can support sensors or expanders. Actual throughput, bus timing, termination, transceiver requirements, and pin multiplexing must be verified from the original datasheet.
Recommended
Motor and Actuator Control
The MAC7121MPV50 can be used in a motor or actuator controller when the application requires real-time embedded execution and several serial connectivity options. Its verified 50 MHz ARM7TDMI-S core can run control and supervisory software, while CANbus, SPI, I2C, and SCI provide paths to position sensors, power stages, and service interfaces. The 512 KB flash capacity supports application code and calibration data. Designers must still verify PWM, timer, ADC, interrupt, pin, and electrical capabilities in the full manufacturer documentation.
Recommended
Industrial Sensor Acquisition
The MAC7121MPV50 is suitable for a local sensor-acquisition module when the system needs embedded processing, event handling, and serial communications. Its verified 32-bit core at 50 MHz can support control logic and protocol tasks, and the listed SPI and I2C interfaces can connect sensors with digital outputs. SCI or CANbus can provide host or network communication. The design should confirm whether the device includes the required ADC, timers, DMA, and interrupt resources because those specifications are not present in the supplied evidence.
Recommended
Communication Adapter
The MAC7121MPV50 can be used in a communication adapter that bridges embedded equipment to CANbus or other serial networks. The verified architecture provides a single-core 50 MHz ARM7TDMI-S processor, 512 KB flash, and the listed CANbus, I2C, SCI, and SPI interfaces. This combination is useful for protocol conversion, local buffering, diagnostics, and configuration management. Production implementation requires verification of transceiver pinout, bus protection, clock configuration, memory resources, and operating-temperature requirements.
Recommended
Recommended Products Summary
Engineering reference data for MAC7121MPV50 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MAC7101MAG40 |
|---|---|---|
| Brand | NXP Semiconductors | Freescale Semiconductor |
| Package | 112-LQFP, 20 mm x 20 mm | 112-LQFP |
| Processor Core | ARM7TDMI-S | ARM7TDMI-S |
| Core Width | 32-bit | 32-bit |
| Operating Frequency | 50 MHz | 40 MHz |
| Connectivity | CANbus, I2C, SCI, SPI listed | CANbus, I2C, SCI, SPI listed |
| Lifecycle Status | Active according to verified active-production listing | Active according to verified comparison listing |
Key Differentiators
- Higher verified clock frequency than the identified alternative (vs MAC7101MAG40)
- Explicit 512 KB flash specification (vs MAC7101MAG40)
- Automotive temperature-grade sourcing designation (vs MAC7101MAG40)
Design Notes
Do not assign the MAC7121MPV50 supply pins or peripheral limits until the manufacturer hardware specification is obtained. The verified search data identifies the device as an automotive-grade 50 MHz MCU but does not provide the supply voltage, absolute maximum ratings, or pin-level electrical conditions. Before schematic release, verify every VDD/VSS connection, decoupling requirement, I/O voltage domain, external transceiver supply, and power-sequencing condition against the original datasheet.
The MAC7121MPV50 uses a 112-LQFP package measuring 20 mm x 20 mm, so the PCB footprint must be checked against the manufacturer package drawing rather than inferred from a generic LQFP library. Preserve the exposed land pattern, pin-1 orientation, solder-mask clearance, and recommended annular ring dimensions. Confirm the complete 112-pin assignment and maintain adequate copper and thermal design around power pins before fabrication.
For CANbus, SCI, SPI, and I2C connections, first confirm the MCU's actual pin multiplexing, voltage domains, input thresholds, output drive, and peripheral timing. The supplied evidence lists these interfaces but does not specify their electrical limits or alternate functions. Use the datasheet to select transceiver types, termination, pull-up or bias networks, protection components, and routing constraints; avoid assuming that every listed peripheral is available on every package pin.
A 50 MHz processor rating does not by itself define the safe clock configuration, memory timing, or peripheral clocking for the finished board. Validate reset, boot mode, clock source, watchdog behavior, memory initialization, and firmware update requirements against the manufacturer documentation. Also review errata and lifecycle notices before committing to a production design, particularly for automotive or safety-related equipment.
Compliance Information
The supplied evidence identifies an automotive temperature grade for MAC7121MPV50 but does not explicitly provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations.