MCF51AG96VLF - Coldfire V1 32-Bit 50MHz 96KB Flash MCU | NXP
Référence : MCF51AG96VLF ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $5.78 | $5,78 |
| 10 | $5.21 | $52,10 |
| 100 | $4.65 | $465,00 |
| 500 | $4.1 | $2 050,00 |
| 1 000 | $3.69 | $3 690,00 |
MCF51AG96VLF Présentation
A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, data memory, and integrated peripherals. The Coldfire V1 architecture used in the MCF51AG96VLF is a streamlined 32-bit derivative of the original Coldfire family, delivering 32-bit performance at 8-bit power and cost levels. Within the broader semiconductor taxonomy, an MCU like the MCF51AG96VLF belongs to: MCU -> microcontroller -> embedded processor -> semiconductor device. Its 50MHz 32-bit core, FLASH memory, and integrated peripherals place it in the mainline industrial/consumer MCU category rather than in low-power Cortex-M or high-end Cortex-A tiers.
Key features include 96KB of in-application programmable FLASH for field updates, 16KB SRAM for data and stack, an internal DMA to offload data transfer from the CPU, and a configurable PWM module for motor control or power conversion loops. The 39 GPIOs provide ample headroom for mixed-signal interface designs that combine analog sensing with digital actuation.
Architecturally, the Coldfire V1 core implements a von Neumann variant of the M68k instruction set with a streamlined pipeline, allowing deterministic interrupt latency critical for real-time control firmware. The 48-LQFP package keeps the device friendly for hand-solderable prototypes while providing enough pin count for parallel bus or multi-channel ADC needs.
Typical applications include industrial sensor hubs, BLDC motor controllers, HVAC control boards, point-of-sale terminals, and low-cost human-machine interface (HMI) panels. Its combination of SCI/SPI connectivity and PWM channels makes it particularly attractive for variable-frequency drives and small appliances.
When migrating firmware between Coldfire V1 parts, validate interrupt vector alignment and peripheral mux assignments; module-level registers differ across the MCF51AC, MCF51AG, and MCF51CN sub-families.
This page synthesizes distributor inventory, lifecycle and parametric context, and pin-compatible drop-in alternatives that go beyond what is summarized in the manufacturer datasheet.
Alternatives de remplacement direct pour MCF51AG96VLF — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MCF51AG96VLF (même facteur de forme et même empreinte) — différant par Package, Core Architecture, Series, Connectivity, Operating Temperature Range.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MCF51AG128CLF
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →MCF51AG128VLF
✅ Remplacement direct✓ En stock
$5.05 / unité
Voir la fiche technique →MCF51AG96CLF
✅ Remplacement direct✓ En stock
$5.2 / unité
Voir la fiche technique →MCF51AC256AVPUE
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$10.4 / unité
Voir la fiche technique →S9S08AW60CFUE
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MCF51AG96VLF Valeurs maximales et caractéristiques électriques
| Core Processor | Coldfire V1 |
| Core Size | 32-Bit |
| Maximum CPU Speed | 50 MHz |
| Program Memory Size | 96 KB (96K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 16K x 8 |
| Number of I/O Pins | 39 |
| Connectivity | SCI, SPI |
| Peripherals | DMA, LVD, PWM, WDT |
| Boîtier | 48-LQFP (7x7 mm) |
| Series | MCF51AG |
| Type de montage | Surface Mount |
| Part Status | Obsolete |
Configuration des broches de MCF51AG96VLF
| Broche 1 | PTA0 — General-purpose I/O or TCLK[2] (per datasheet pinout) |
| Broche 2 | PTA1 — GPIO/TCLK[1] (per datasheet pinout) |
| Broche 3 | PTA2 — GPIO (per datasheet pinout) |
| Broche 4 | PTA3 — GPIO (per datasheet pinout) |
| Broche 5 | VSS — Ground |
| Broche 6 | VDD — Supply voltage |
| Broche 7 | PTA4 — GPIO (per datasheet pinout) |
| Broche 8 | PTA5 — GPIO (per datasheet pinout) |
| Broche 9 | PTB0 — GPIO/UART1 TX alt |
| Broche 10 | PTB1 — GPIO/UART1 RX alt |
| Broche 11 | PTB2 — GPIO/SPI0 alt |
| Broche 12 | PTB3 — GPIO/SPI0 alt |
| Broche 13 | PTB4 — GPIO (per datasheet pinout) |
| Broche 14 | PTB5 — GPIO (per datasheet pinout) |
| Broche 15 | PTC0 — GPIO (per datasheet pinout) |
| Broche 16 | PTC1 — GPIO (per datasheet pinout) |
| Broche 17 | PTC2 — GPIO (per datasheet pinout) |
| Broche 18 | PTC3 — GPIO (per datasheet pinout) |
| Broche 19 | PTC4 — GPIO (per datasheet pinout) |
| Broche 20 | PTC5 — GPIO (per datasheet pinout) |
| Broche 21 | PTC6 — GPIO (per datasheet pinout) |
| Broche 22 | PTC7 — GPIO (per datasheet pinout) |
| Broche 23 | PTD0 — GPIO/PWM alt |
| Broche 24 | PTD1 — GPIO/PWM alt |
| Broche 25 | PTD2 — GPIO/PWM alt |
| Broche 26 | PTD3 — GPIO/PWM alt |
| Broche 27 | PTD4 — GPIO (per datasheet pinout) |
| Broche 28 | PTD5 — GPIO (per datasheet pinout) |
| Broche 29 | PTE0 — GPIO (per datasheet pinout) |
| Broche 30 | PTE1 — GPIO (per datasheet pinout) |
| Broche 31 | PTE2 — GPIO (per datasheet pinout) |
| Broche 32 | PTE3 — GPIO (per datasheet pinout) |
| Broche 33 | PTE4 — GPIO (per datasheet pinout) |
| Broche 34 | PTE5 — GPIO (per datasheet pinout) |
| Broche 35 | PTE6 — GPIO (per datasheet pinout) |
| Broche 36 | PTE7 — GPIO (per datasheet pinout) |
| Broche 37 | PTF0 — GPIO (per datasheet pinout) |
| Broche 38 | PTF1 — GPIO (per datasheet pinout) |
| Broche 39 | PTF2 — GPIO (per datasheet pinout) |
| Broche 40 | PTF3 — GPIO (per datasheet pinout) |
| Broche 41 | PTF4 — GPIO (per datasheet pinout) |
| Broche 42 | PTF5 — GPIO (per datasheet pinout) |
| Broche 43 | BKGD — Background Debug Mode |
| Broche 44 | RESET — External reset input (active low) |
| Broche 45 | TCLK — TCLK / clock input |
| Broche 46 | VDDA — Analog supply |
| Broche 47 | VSSA — Analog ground |
| Broche 48 | VSS — Ground |
Applications typiques
MCF51AG96VLF convient pour 7 applications: Industrial Sensor Hubs, BLDC Motor Controllers, HVAC Control Boards, Point-of-Sale Terminals, Low-Cost HMI Panels, Small Appliance Control Boards, Industrial Communication Gateways.
Industrial Sensor Hubs
The MCF51AG96VLF serves as the processing core in industrial sensor hubs that aggregate analog/digital signals from multiple field devices and forward them to a PLC or industrial gateway. Its Coldfire V1 32-bit core at 50MHz delivers deterministic interrupt latency for time-stamping measurement events, while the 96KB FLASH accommodates Modbus/RTU stack plus driver firmware. The integrated DMA controller offloads data movement from the CPU, and the SCI (UART) and SPI peripherals connect easily to RS-485 transceivers and SPI sensors such as accelerometers or temperature ICs. Compared with 8-bit MCUs, this part reduces firmware complexity for floating-point sensor math and supports larger protocol stacks without external memory. With 39 GPIOs, designers can multiplex multiple sensor channels onto the same MCU, keeping the BOM compact. The 48-LQFP (7x7 mm) footprint and 0.5mm pitch remain friendly for two-layer industrial PCBs with through-hole test points.
Recommandé
BLDC Motor Controllers
The MCF51AG96VLF is well suited for small BLDC and PMSM motor controllers in appliances, fans, pumps, and low-power industrial drives. Its integrated PWM channels drive the three-phase inverter through gate drivers, while the DMA and 50MHz Coldfire V1 core execute current-loop and commutation firmware in real time. SCI/SPI connectivity enable UART command links and SPI feedback from Hall sensors or encoder ICs. The 96KB FLASH easily fits a sensorless field-oriented control (FOC) implementation plus boot-loader, while the 16KB SRAM holds 8-16 sample per-cycle current buffers. Compared with Cortex-M0 alternatives, the Coldfire V1 offers deterministic interrupt response ideal for commutation-critical loops. Designers migrating from Freescale legacy Coldfire V1 to newer NXP Kinetis parts can reuse software modules with minimal change.
Recommandé
HVAC Control Boards
In HVAC control boards for residential and light-commercial equipment, the MCF51AG96VLF integrates sensing, actuator drive, and communication into a single chip. The Coldfire V1 32-bit core and 96KB FLASH handle thermostat scheduling, defrost algorithms, and Modbus or BACnet communication, while the PWM channels control compressor and blower motor drivers. Its low-voltage detect (LVD) and watchdog timer (WDT) make the part robust in mains-deriving power environments where supply disturbances are common. Compared with 16-bit alternatives at the same price, the Coldfire V1 architecture gives HVAC engineers more headroom for graphical user-interface and remote-management firmware. The 48-LQFP package fits standard 4-layer HVAC control boards with copper pour for thermal management.
Recommandé
Point-of-Sale Terminals
The MCF51AG96VLF finds application in compact point-of-sale (POS) terminals, embedded card readers, and vending-machine controllers. The 96KB FLASH accommodates ISO 7816 contact-card stacks, EMV-style transaction firmware, and keypad/display drivers, while the 16KB SRAM holds transaction buffers and queue structures. The Coldfire V1 32-bit core at 50MHz executes encryption and CRC routines efficiently, and the DMA offloads card I/O movement from the CPU. SPI interfaces connect to contactless card reader front-ends, and SCI (UART) connects to printer or cellular/GPRS modems. Compared with older 8-bit POS designs, this part improves transaction latency and reduces firmware rework for PCI-compliant designs. Its 48-LQFP format is suitable for compact POS enclosures under 150mm square.
Recommandé
Low-Cost HMI Panels
The MCF51AG96VLF drives small human-machine interface (HMI) panels combining a TFT or character LCD, keypad, and UART/SPI connectivity to a host controller. The Coldfire V1 32-bit core at 50MHz renders icons, updates menus, and runs communication stacks faster than 8-bit MCUs, while the 96KB FLASH stores fonts, menus, and optional bootloader. The PWM can drive LCD backlight through a simple MOSFET or LED driver, and the integrated DMA smoothly transfers frame-buffer data to SPI-driven displays. Compared with traditional character-only display controllers, this part enables small graphical HMI without an external GPU or graphic controller. The 48-LQFP package is small enough for slim HMI front panels.
Recommandé
Small Appliance Control Boards
The MCF51AG96VLF provides a single-chip solution for small appliances such as coffee machines, washing machines, dishwashers, and induction cooktops. The Coldfire V1 32-bit core runs state machines and adaptive control firmware, while the PWM blocks drive heater elements, pumps, and valve actuators. SCI (UART) connectivity supports modular smart-home add-ons, and SPI interfaces connect to LED feedback and capacitive touch-front panels. The 96KB FLASH stores appliance firmware plus optional field-update bootloader, and the 16KB SRAM holds real-time process variables. Compared with cost-down 8-bit MCUs at similar price, this part simplifies assembly-line calibration routines and supports more features in firmware. Its 48-LQFP size fits typical 80mm x 80mm appliance PCBs.
Recommandé
Industrial Communication Gateways
The MCF51AG96VLF bridges legacy serial protocols to modern fieldbus networks in industrial gateways, protocol converters, and sensor-network nodes. Its dual SCI and SPI channels aggregate data from RS-485, RS-232, and SPI sensor clusters, while the Coldfire V1 32-bit core runs Modbus, PROFIBUS, or CAN bridging firmware with deterministic interrupt response. The integrated DMA moves large protocol frames between peripherals and memory, leaving the CPU free for protocol conversion logic. The 96KB FLASH accommodates full Modbus/RTU-to-Modbus/TCP conversion plus a web-server stub, while the 16KB SRAM is sufficient for Modbus transaction tables. Compared with 16-bit MCUs, the Coldfire V1 architecture executes network-stack code with higher throughput and lower interrupt jitter. The 48-LQFP footprint enables compact DIN-rail-mount gateways.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MCF51AG96VLF — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MCF51AG128CLF | MCF51AG128VLF | MCF51AG96CLF | MCF51AC256AVPUE |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 64-LQFP - different, requires PCB redesign |
| Core | Coldfire V1, 32-bit | Coldfire V1, 32-bit | Coldfire V1, 32-bit | Coldfire V1, 32-bit | Coldfire V1, 32-bit |
| CPU Speed | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| FLASH Memory | 96 KB | 128 KB | 128 KB | 96 KB | 256 KB |
| RAM Size | 16 KB | 16 KB | 16 KB | 16 KB | 32 KB |
| GPIO Count | 39 | 39 | 39 | 39 | 54 |
| Temperature Grade | Industrial (VLF) | Commercial (CLF) | Industrial (VLF) | Commercial (CLF) | Industrial (UE) |
| Lifecycle Status | Obsolete | Obsolete (NXP) | Obsolete (NXP) | Obsolete (NXP) | Obsolete (NXP) |
Principaux différenciateurs
- Mid-density 96KB FLASH option in the MCF51AG family (vs MCF51AG128CLF)
- Coldfire V1 core retains 32-bit performance at 8-bit cost (vs MC9S08AW60CFUE (S08 8-bit core))
- Industrial temperature grade (VLF) for harsh environments (vs MCF51AG96CLF (commercial temp grade))
Notes de conception
The MCF51AG96VLF integrates internal power-on-reset (POR) and low-voltage detect (LVD), but designers should still add a 100nF decoupling capacitor on each VDD pin and a 4.7uF bulk capacitor near the IC. For analog supply VDDA/VSSA, place a separate LC filter to keep switching noise away from the on-chip ADC reference. Estimated: with 50MHz operation and 39 active GPIOs, plan around 30-45mA peak current budget for decoupling sizing.
In the 48-LQFP package, route out all GPIO pins to test points or headers for firmware bring-up - this is the most cost-effective way to debug JTAG and serial-loader issues. Keep analog traces short and routed over a continuous ground plane; keep RESET and BKGD traces away from PWM outputs to prevent noise coupling into debug lines. The 0.5mm pitch of the 48-LQFP is hand-solderable with a fine-tip iron but verify paste-stencil aperture for production assembly.
Coldfire V1 firmware porting from MCF51AC to MCF51AG parts requires re-checking the SIM peripheral-mux mapping: GPIO functionality on certain pins differs between sub-families. Always rebuild the peripheral linker script and vector table when migrating between MCF51AG and MCF51AC series. Also confirm the watchdog timeout register - register names and offsets differ across Coldfire V1 sub-families per NXP errata documentation.
Because the MCF51AG96VLF is marked Obsolete, confirm last-time-buy and PCN dates with NXP or authorized distributors before committing to new production. Plan to qualify the MCF51AG128CLF/VLF or migrate to a current-generation NXP MCU (e.g. Kinetis KE series) for new designs to avoid supply risk.
Place a small ferrite bead or 10-ohm resistor in series with the JTAG BKGD line near the MCU to suppress noise from adjacent PWM signals during motor-control debug sessions. Estimated: typical 50MHz switching harmonics on PWM channels can couple into the BKGD line on unfiltered PCBs, causing occasional debug failures.
Informations de conformité
RoHS and REACH compliance per NXP product page. AEC-Q100 not applicable - this part is not automotive-qualified; for automotive applications use the S12/S08 automotive families. Lead-free and halogen-free status to be confirmed from NXP material declaration.