MAC7112MPV40 - 40MHz ARM7 MCU, 256KB Flash | NXP
MPN: MAC7112MPV40 ✗ End of Life| 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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MAC7112MPV40 Overview
A microcontroller is a compact computer intended for embedded control. This device combines an ARM7TDMI-S core with on-chip program flash and analog peripherals, reducing the need for separate interface components in industrial and communications equipment. Its 40 MHz clock provides a defined performance basis for firmware execution, while the external-bus capability supports additional memory or peripheral devices when the internal resources are insufficient.
The MAC7112MPV40 provides 256 KB organized as 256K by 8 bits of flash, a 32-bit single-core processor, and a 16-channel 10-bit A/D interface according to the verified listings. Its 2.35 V to 2.75 V supply range is a central design constraint: surrounding circuitry must remain compatible with this relatively narrow low-voltage range. The 112-LQFP package also requires a correspondingly dense PCB footprint and careful escape routing.
Typical uses include industrial control modules, data-acquisition equipment, communications controllers, embedded gateways, and compact automation systems. The external bus is particularly relevant when a controller must communicate with additional memories or bus peripherals, while the 16-channel A/D interface is useful for monitoring several analog sensors. Firmware and hardware suitability must still be checked against the complete manufacturer documentation.
A critical design consideration is footprint continuity. The 112-pin LQFP package and its 20 mm by 20 mm body should be treated as fixed board constraints; no substitute should be installed unless pinout, voltage, memory, peripheral, timing, and software compatibility are independently verified. Because the supplied data does not include a complete manufacturer pinout, a fabricated pin table is intentionally avoided.
This page combines verified distributor specifications, sourcing information, architecture context, and replacement-validation guidance. It is intended to support component identification and engineering selection without converting a legacy-device search result into an unsupported claim of drop-in compatibility.
Drop-in alternatives for MAC7112MPV40 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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| Product Type | 32-bit single-core ARM7TDMI-S microcontroller |
| Processor Core | ARM7TDMI-S |
| Maximum Clock Frequency | 40 MHz |
| Flash Memory | 256 KB (256K x 8 bits) |
| Analog-to-Digital Converter | 16-channel, 10-bit |
| Operating Supply Voltage | 2.35 V to 2.75 V |
| External Bus | Available |
| Architecture | ARM7, 32-bit |
| Core Count | 1 core |
| Package | 112-LQFP, 20 mm x 20 mm |
| Pin Count | 112 pins |
| Mounting Type | Surface-mount LQFP |
| Manufacturer Category | Microcontrollers (MCU/MPU/SOC) |
| Original Manufacturer Name | Freescale Semiconductor |
| RoHS Status | Compliant |
MAC7112MPV40 112-lqfp, 20 mm x 20 mm Pin Configuration Guide
Pin configuration for MAC7112MPV40 (112-lqfp, 20 mm x 20 mm 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 MAC7112MPV40.
Refer to the datasheet for full pin configuration.
Typical Applications
MAC7112MPV40 is suitable for 6 applications: Industrial Control Module, Multi-Channel Sensor Acquisition, Communications Controller, Compact Automation Gateway, Embedded Test and Measurement Instrument, Board-Level Repair or Legacy Upgrade.
Industrial Control Module
The MAC7112MPV40 fits legacy industrial-control modules that already depend on its ARM7TDMI-S software environment, 40 MHz operating point, and 256 KB flash allocation. The processor can execute control logic while the external bus provides a path to additional bus peripherals, and the 16-channel 10-bit A/D interface can monitor multiple sensor inputs. The design must operate within the verified 2.35 V to 2.75 V supply range. Because current consumption, timer resources, and exact electrical limits are not included in the supplied data, the control designer should verify timing, thermal behavior, and peripheral assignments against the MAC7112 hardware documentation before updating an existing board.
Recommended
Multi-Channel Sensor Acquisition
The verified 16-channel, 10-bit A/D interface makes MAC7112MPV40 relevant to compact data-acquisition systems that monitor several analog sensors under a 40 MHz control processor. Such a product could use the microcontroller for sampling control, filtering, diagnostics, and communication while retaining the external-bus option for expansion. The application should not assume simultaneous sampling or a particular maximum sample rate because those details are absent from the supplied results. Confirm analog input limits, acquisition timing, reference voltage, and channel multiplexing in the family documentation, and validate the 2.35 V to 2.75 V supply range across the full measurement chain.
Recommended
Communications Controller
MAC7112MPV40 can serve as the control processor in a communications-oriented embedded design because its verified ARM7TDMI-S core runs at 40 MHz and includes an external bus for supporting additional memory or bus-connected interface components. A gateway or protocol controller could place device handling and buffering firmware in the 256 KB flash while using board-level transceivers for physical-layer communication. The supplied material does not identify Ethernet, UART, SPI, I2C, or CAN resources, so no specific interface should be claimed. Firmware and hardware migration should verify interrupt vectors, boot behavior, bus timing, pin multiplexing, voltage domains, and protocol-driver assumptions against an authoritative device document.
Recommended
Compact Automation Gateway
The MAC7112MPV40 is appropriate for maintaining an existing compact gateway rather than starting an unconstrained new design. Its 40 MHz ARM7TDMI-S core handles protocol and supervisory tasks, 256 KB flash stores fixed firmware, the external bus supports expansion, and the 16-channel 10-bit A/D interface can support local analog monitoring. The 112-LQFP, 20 mm by 20 mm package provides a fixed, relatively large land pattern that simplifies service but requires board space. Before carrying the design forward, engineers should confirm lifecycle status, operating temperature, reset and clock details, memory endurance expectations, peripheral overlap, and supply availability because these data were not established by the verified snippets.
Recommended
Embedded Test and Measurement Instrument
MAC7112MPV40 can support the supervisory and measurement-control functions of a legacy embedded instrument because it combines a 40 MHz ARM7TDMI-S core, 256 KB flash, and a 16-channel 10-bit A/D interface. These resources are suitable for sequencing measurements, applying calibration constants, recording status, and coordinating external instruments through an external-bus interface. Measurement accuracy does not follow from ADC resolution alone; reference stability, analog front-end design, calibration, grounding, and signal-conditioning errors dominate end performance. Confirm ADC input limits, sampling behavior, reference voltage, clock accuracy, and timing from the hardware document, and preserve the verified 2.35 V to 2.75 V operating range.
Recommended
Board-Level Repair or Legacy Upgrade
MAC7112MPV40 is most relevant when repairing or cloning an existing board that already uses its 112-LQFP footprint, ARM7TDMI-S architecture, and legacy memory map. A maintenance engineer can use the verified 40 MHz clock and 256 KB flash values to identify likely board revisions, while the external bus and 16-channel 10-bit A/D interface help confirm the intended equipment class. Do not substitute a mechanically similar MCU solely because it is also a 112-LQFP part. Boot pins, debug interfaces, interrupts, peripheral placement, voltage domains, and firmware image compatibility must all match. The exact 112-pin map is not supplied here, so physical rework requires the manufacturer-level pinout.
Recommended
Recommended Products Summary
Engineering reference data for MAC7112MPV40 — comparison, design guidance, and compliance information.
Selection Guide
Design Notes
Design the regulator around the verified 2.35 V to 2.75 V operating range, but confirm whether MAC7112MPV40 uses separate core and I/O rails before selecting components. The supplied snippets do not provide current limits, quiescent current, or startup sequencing. Measure normal, idle, processing, analog-conversion, and worst-case bus activity while allowing regulator transient margin. Do not infer absolute maximum voltage from the normal operating range.
Preserve the existing 112-LQFP footprint only after checking the exact land pattern, pin-one orientation, exposed thermal considerations, and assembly rules against the authoritative package drawing. The verified body size is 20 mm by 20 mm, but that alone does not establish pad dimensions or pin numbering. Route sensitive analog inputs away from switching nodes and high-current paths, and keep external-bus timing traces short and properly terminated after the electrical characteristics are confirmed.
The largest migration risk is treating a similar ARM7 microcontroller as pin-compatible merely because it offers 40 MHz operation and the same package. Before replacement, compare the complete pinout, supply pins, reset and boot inputs, debug interface, memory map, interrupt vector table, peripheral multiplexing, external-bus timing, clocking, and software drivers. The retrieved cross-reference results identify no verified drop-in alternative, so board redesign or a legacy-specific sourcing plan may be required.
External-bus and analog signals require board-level validation rather than schematic-only review. Confirm edge-rate limits, I/O voltage thresholds, input capacitance, pull-up or pull-down requirements, and external-bus timing from the hardware specifications. Use a controlled-impedance layout for high-speed nets, provide return paths, and keep the 10-bit A/D front end away from digital switching activity. Calibration cannot compensate for routing-induced errors or an unsuitable reference source.
The available data identifies a 112-LQFP package but provides no operating-current or thermal-resistance values, so a numerical junction-temperature calculation would be unsupported. Thermal qualification should measure worst-case processor and peripheral activity across the intended ambient range. Use the package drawing and assembly guidance for exposed-pad or copper-thermal recommendations, then verify that the PCB provides adequate heat spreading without violating adjacent sensitive analog layouts.
Compliance Information
The verified JLCPCB listing identifies RoHS compliance. No supplied source verifies REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Lifecycle status also remains unknown because the distributor pages show availability but do not provide a current product-status statement.