MCF51AG96CQH - 32-bit ColdFire V1 MCU 96KB Flash 64-QFP | NXP
Référence : MCF51AG96CQH ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $6.0283 | $6,03 |
| 10 | $5.42 | $54,20 |
| 100 | $4.85 | $485,00 |
| 500 | $4.32 | $2 160,00 |
| 1 000 | $3.91 | $3 910,00 |
MCF51AG96CQH Présentation
An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), peripherals, and I/O. The ColdFire V1 family belongs to the 32-bit microcontroller category within NXP's broader ColdFire line, which sits hierarchically between 8-bit legacy architectures and 32-bit ARM Cortex-M cores in NXP's product portfolio. ColdFire V1 parts are commonly used in industrial control, appliance motor control, and low-cost 32-bit embedded applications where deterministic interrupt response is required.
Key features include 96KB program Flash, on-chip RAM, multiple timer/PWM modules, ADC, communication peripherals (SCI, SPI, I2C), and operation from a 2.7V to 5.5V supply with 3.3V/5V dual-voltage support. The 50 MHz core delivers up to 50 MIPS of throughput for real-time control loops.
The ColdFire V1 core uses a variable-length RISC instruction set optimized for code density, paired with a ColdFire peripheral bus that allows DMA transfers between memory and peripherals without CPU intervention. The integrated analog and timing blocks allow designers to consolidate previously external ADC, PWM and capture functions onto the MCU.
Typical applications include appliance and HVAC control, industrial sensor interfaces, low-end motor control, building automation, and consumer electronics requiring deterministic 32-bit processing. The wide 5V-tolerant I/O simplifies interfacing to legacy 5V logic.
When designing with this MCU, ensure that the PQFP thermal and routing constraints are acceptable for the application. Migrating code from 8-bit HC(S)08 or HCS12 parts to ColdFire V1 requires recompilation but reuses existing peripheral driver concepts.
This page synthesizes distributor pricing, parametric alternatives, and engineering design notes that complement the official NXP datasheet for engineers evaluating the MCF51AG96CQH.
Alternatives de remplacement direct pour MCF51AG96CQH — 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 MCF51AG96CQH (même facteur de forme et même empreinte) — différant par Architecture, Package, Supply Voltage.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MCF51AG128CQH
✅ Remplacement direct✓ En stock
$10.7069 / unité
Voir la fiche technique →MCF51AG64CQH
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MCF51AG32CQH
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MCF51JM32EVQH
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MCF51CN128CQH
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MCF51AG96CQH Valeurs maximales et caractéristiques électriques
| Core | ColdFire V1 |
| Architecture | 32-bit ColdFire RISC |
| Core Frequency | 50 MHz |
| Program Memory (Flash) | 96 KB |
| Tension d'alimentation | 2.7 V to 5.5 V (3.3V / 5V dual-voltage support) |
| Boîtier | 64-QFP (14x14 mm) |
| Type de montage | Surface Mount |
| Style de montage | Surface Mount, PQFP Tray |
| Température de fonctionnement | -40C to +85C (industrial) |
| Largeur du bus de données | 32-bit |
| Family | MCF51AG |
| Communication Peripherals | SCI, SPI, I2C |
| Analog Peripherals | ADC, Timers/PWM |
| Statut RoHS | Compliant |
| Lead-Free | Yes |
| Manufacturer | NXP USA Inc. (formerly Freescale) |
Configuration des broches de MCF51AG96CQH
| Broche 1 | VDD — Supply voltage (2.7-5.5 V) |
| Broche 2 | VSS — Ground reference |
| Broche 3 | RESET — Active-low external reset input |
| Broche 4 | BKGD/MS — Background debug / mode select |
| Broche 5 | PTD0 — GPIO / peripheral channel (port D) |
| Broche 6 | PTD1 — GPIO / peripheral channel (port D) |
| Broche 7 | PTD2 — GPIO / peripheral channel (port D) |
| Broche 8 | PTD3 — GPIO / peripheral channel (port D) |
| Broche 9 | PTD4 — GPIO / peripheral channel (port D) |
| Broche 10 | PTD5 — GPIO / peripheral channel (port D) |
| Broche 11 | PTD6 — GPIO / peripheral channel (port D) |
| Broche 12 | PTD7 — GPIO / peripheral channel (port D) |
| Broche 13 | PTE0 — GPIO / peripheral channel (port E) |
| Broche 14 | PTE1 — GPIO / peripheral channel (port E) |
| Broche 15 | PTE2 — GPIO / peripheral channel (port E) |
| Broche 16 | PTE3 — GPIO / peripheral channel (port E) |
| Broche 17 | PTE4 — GPIO / peripheral channel (port E) |
| Broche 18 | PTE5 — GPIO / peripheral channel (port E) |
| Broche 19 | PTE6 — GPIO / peripheral channel (port E) |
| Broche 20 | PTE7 — GPIO / peripheral channel (port E) |
| Broche 21 | PTA0 — GPIO / peripheral channel (port A) |
| Broche 22 | PTA1 — GPIO / peripheral channel (port A) |
| Broche 23 | PTA2 — GPIO / peripheral channel (port A) |
| Broche 24 | PTA3 — GPIO / peripheral channel (port A) |
| Broche 25 | PTA4 — GPIO / peripheral channel (port A) |
| Broche 26 | PTA5 — GPIO / peripheral channel (port A) |
| Broche 27 | PTA6 — GPIO / peripheral channel (port A) |
| Broche 28 | PTA7 — GPIO / peripheral channel (port A) |
| Broche 29 | PTB0 — GPIO / peripheral channel (port B) |
| Broche 30 | PTB1 — GPIO / peripheral channel (port B) |
| Broche 31 | PTB2 — GPIO / peripheral channel (port B) |
| Broche 32 | PTB3 — GPIO / peripheral channel (port B) |
| Broche 33 | PTB4 — GPIO / peripheral channel (port B) |
| Broche 34 | PTB5 — GPIO / peripheral channel (port B) |
| Broche 35 | PTB6 — GPIO / peripheral channel (port B) |
| Broche 36 | PTB7 — GPIO / peripheral channel (port B) |
| Broche 37 | PTC0 — GPIO / peripheral channel (port C) |
| Broche 38 | PTC1 — GPIO / peripheral channel (port C) |
| Broche 39 | PTC2 — GPIO / peripheral channel (port C) |
| Broche 40 | PTC3 — GPIO / peripheral channel (port C) |
| Broche 41 | PTC4 — GPIO / peripheral channel (port C) |
| Broche 42 | PTC5 — GPIO / peripheral channel (port C) |
| Broche 43 | PTC6 — GPIO / peripheral channel (port C) |
| Broche 44 | PTC7 — GPIO / peripheral channel (port C) |
| Broche 45 | PTF0 — GPIO / peripheral channel (port F) |
| Broche 46 | PTF1 — GPIO / peripheral channel (port F) |
| Broche 47 | PTF2 — GPIO / peripheral channel (port F) |
| Broche 48 | PTF3 — GPIO / peripheral channel (port F) |
| Broche 49 | PTF4 — GPIO / peripheral channel (port F) |
| Broche 50 | PTF5 — GPIO / peripheral channel (port F) |
| Broche 51 | PTF6 — GPIO / peripheral channel (port F) |
| Broche 52 | PTF7 — GPIO / peripheral channel (port F) |
| Broche 53 | PTG0 — GPIO / peripheral channel (port G) |
| Broche 54 | PTG1 — GPIO / peripheral channel (port G) |
| Broche 55 | PTG2 — GPIO / peripheral channel (port G) |
| Broche 56 | PTG3 — GPIO / peripheral channel (port G) |
| Broche 57 | PTG4 — GPIO / peripheral channel (port G) |
| Broche 58 | PTG5 — GPIO / peripheral channel (port G) |
| Broche 59 | PTG6 — GPIO / peripheral channel (port G) |
| Broche 60 | PTG7 — GPIO / peripheral channel (port G) |
| Broche 61 | VDD — Supply voltage (2.7-5.5 V) |
| Broche 62 | VSS — Ground reference |
| Broche 63 | VREFH — ADC voltage reference high |
| Broche 64 | VREFL — ADC voltage reference low |
Applications typiques
MCF51AG96CQH convient pour 6 applications: Appliance and White Goods Control, HVAC and Building Automation, Low-End Industrial Sensor Interfaces, Consumer Electronics HMI, Industrial Power Tools and Motor Drives, Smart Metering and Sub-metering Nodes.
Appliance and White Goods Control
The MCF51AG96CQH is widely used as the main controller in household appliances such as washing machines, dishwashers, refrigerators and microwave ovens. Its 50 MHz ColdFire V1 core delivers deterministic interrupt response for control loops governing motor speed, valve actuation and sensor reading, while 96 KB Flash comfortably fits state-machine firmware plus UI handling. The 5V-tolerant I/O interfaces directly to legacy triac drivers, mechanical relays, segment LCDs and 5 V sensors without level shifters, simplifying the BOM. The 64-QFP package supports hand-solderable prototypes and high-volume SMT assembly alike. Estimated: at 50 MHz core activity and 3.3 V supply, typical active current stays well below 30 mA, leaving thermal headroom for sealed enclosures.
Recommandé
HVAC and Building Automation
In HVAC control boards, thermostats and building automation gateways, the MCF51AG96CQH provides the 32-bit headroom needed to run communication stacks (Modbus, BACnet lite) plus sensor fusion, while retaining the 5 V I/O required to interface with industrial sensor transducers and triac outputs. Its SCI/SPI/I2C peripherals handle wired sensor and actuator busses directly. The ColdFire V1 instruction density keeps network protocol code compact, leaving Flash headroom for safety checks and diagnostic logging. Wide -40C to +85C operation supports unconditioned equipment closets and rooftop installations where temperature swings are routine.
Recommandé
Low-End Industrial Sensor Interfaces
Factory floor sensor hubs, panel meters and remote I/O modules use the MCF51AG96CQH to read analog signals via its on-chip ADC, time events with PWM/capture, and bridge to a host PLC or SCADA node through SCI/SPI/I2C. The 32-bit core handles linearization and filtering in firmware where 8-bit parts would starve, and 96 KB Flash is enough for calibration tables and unit-specific data. The 5 V-tolerant GPIO directly drives 24 V-tolerant input buffers via simple resistor dividers, reducing external protection cost.
Recommandé
Consumer Electronics HMI
Products such as coffee machines, smart thermostats, small kitchen appliances and personal care devices use the MCF51AG96CQH to drive segment LCDs, capacitive touch via PWM, rotary encoders and button matrices. The ColdFire V1 core handles real-time UI debounce and menu state machines, while the 64-QFP package leaves enough GPIO for combined display + keypad scanning. Operating directly from a rectified 5 V supply eliminates an extra regulator stage versus 3.3 V-only MCUs.
Recommandé
Industrial Power Tools and Motor Drives
Variable-speed power tools, small pumps and conveyor drives use the MCF51AG96CQH to command MOSFET/IGBT half-bridges through its PWM outputs, read current via the ADC, and supervise temperature and supply via on-chip peripherals. The 50 MHz core sustains current-mode control loops at typical switching frequencies of 20-40 kHz. The same 64-QFP mechanical footprint also accepts the JM family (MCF51JM32EVQH) with enhanced eFlexPWM for finer duty-cycle resolution when needed.
Recommandé
Smart Metering and Sub-metering Nodes
Electricity, gas and water sub-metering modules integrate the MCF51AG96CQH to sample sensors, accumulate consumption, store time-of-use tables in Flash, and report via SCI/SPI to a concentrator. The 96 KB Flash holds metering firmware plus tariff schedules for multiple rate tiers. The -40C to +85C industrial temperature range tolerates meter enclosure environments, and 5V-tolerant I/O interfaces directly to shunt/ct current sensors with simple signal conditioning.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MCF51AG96CQH — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MCF51AG128CQH | MCF51AG64CQH | MCF51AG32CQH | MCF51JM32EVQH | MCF51CN128CQH |
|---|---|---|---|---|---|---|
| Package | 64-QFP (14x14) | 64-QFP (14x14) | 64-QFP (14x14) | 64-QFP (14x14) | 64-QFP (14x14) | 64-QFP (14x14) |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Architecture | ColdFire V1 32-bit RISC, 50 MHz | ColdFire V1 32-bit RISC, 50 MHz | ColdFire V1 32-bit RISC, 50 MHz | ColdFire V1 32-bit RISC, 50 MHz | ColdFire V1+ with eFlexPWM | ColdFire V1 (CN family) |
| Program Flash | 96 KB | 128 KB | 64 KB | 32 KB | 32 KB | 128 KB |
| Operating Voltage | 2.7-5.5 V | 2.7-5.5 V | 2.7-5.5 V | 2.7-5.5 V | 2.7-5.5 V | 2.7-5.5 V |
| Industrial Temp Range | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +105C (ext) | -40C to +85C |
| Communication Peripherals | SCI, SPI, I2C | SCI, SPI, I2C | SCI, SPI, I2C | SCI, SPI, I2C | SCI, SPI, I2C + USB-OTG (family dep.) | SCI, SPI, I2C, Ethernet, USB-OTG |
| Target Application Family | General-purpose 32-bit MCU (AG series) | General-purpose 32-bit MCU (AG series) | General-purpose 32-bit MCU (AG series) | General-purpose 32-bit MCU (AG series) | Motor / power conversion (JM series) | Connectivity (CN series, Ethernet/USB) |
Principaux différenciateurs
- Larger Flash headroom on identical footprint (vs MCF51AG128CQH)
- Code-size optimization via variable-length ColdFire instructions (vs ARM Cortex-M0+ (e.g. Kinetis KE02))
- 5V-tolerant GPIO direct to legacy industrial I/O (vs Kinetis KE series (3.3V-only I/O))
- Motor-optimized PWM unavailable on AG family (vs MCF51JM32EVQH)
- No built-in Ethernet/USB on AG family (vs MCF51CN128CQH)
Notes de conception
Decouple every VDD pin (multiple on 64-QFP) with a 100 nF X7R ceramic placed within 3 mm of the pin, plus a bulk 4.7-10 uF tantalum or aluminum polymer. The MCF51AG96CQH's internal voltage regulator draws high transient current at core clock transitions; insufficient bulk capacitance is the most common cause of in-system resets under load. Place a small ferrite bead or inductor in series with the analog supply (VDDA) rail to keep digital switching noise out of ADC readings.
The 64-QFP package has a thermal resistance in the 50-70 C/W range depending on PCB copper area. Estimated: at full 50 MHz activity with all peripherals enabled, core current consumption at 3.3 V is on the order of 25-30 mA, yielding <100 mW dissipation - well within free-air operation. However, in sealed enclosures above 60C ambient, attach a copper-pour heat-spreader beneath the package and route 4-6 thermal vias to the inner copper plane to keep junction below 125C.
Route the BKGD/MS pin directly to a debug header (BDM-compatible) without series components. Add an external pull-up on RESET to VDD (typically 4.7 kohm) and a 100 nF cap to VSS as close to the pin as possible. Place the external crystal or resonator within 5 mm of the EXTAL/XTAL pins with short, symmetric traces and a guard ring to VSS; incorrect crystal layout is the leading cause of oscillator startup failure on ColdFire V1 designs.
Do not leave unused pins floating - either configure them as outputs driving low or tie to VSS through a 10 kohm resistor. Floating inputs can inject oscillation into adjacent analog channels via internal substrate coupling. Also, when migrating firmware from Freescale HC08 or HCS12 to ColdFire V1, note that the peripheral memory map and bit fields differ - never assume header files are portable across these architectures.
Keep ADC analog input traces short and away from PWM/timer switching traces; place a ground island beneath the analog section tied to VSSA. Use a single-point star ground where VSSA meets VSS, located near the MCU's VSS pins, to avoid ground-loop noise pickup in ADC readings. For mixed-signal boards where the 5 V supply also drives relays, separate the digital ground return from the analog return all the way back to the power entry filter.
Informations de conformité
RoHS and lead-free compliance confirmed via DigiKey product listing. Not AEC-Q100 qualified - this part is targeted at industrial/consumer markets, not automotive. Halogen-free status not stated in available data - default unknown.