NXP Semiconductors

MCF52221CAF80 - ColdFire V2 32-bit MCU 80MHz 128KB Flash | NXP

N.º de pieza: MCF52221CAF80 ✗ Fin de vida
En stock Se envía en 1-3 días hábiles
2.0 V to 3.6 V Vdss 100-LQFP 14x14 mm Package 80 MHz Speed 128 KB Flash Memory
Desde $9.95 USD / unidad
MOQ: 1 |
Precio actualizado: 2026-10-17
Precios por volumen
Cant. Precio unitario Total
1 $18.92 $18,92
10 $16.5 $165,00
100 $13.85 $1.385,00
500 $11.4 $5.700,00
1.000 $9.95 $9.950,00
ℹ️ Todos los precios están en USD

MCF52221CAF80 Descripción general

The NXP MCF52221CAF80 is a ColdFire V2 32-bit microcontroller (MCU) with 128 KB of on-chip Flash memory, operating at a maximum core frequency of 80 MHz and delivering up to 76 MIPS (Dhrystone 2.1), housed in a 100-pin LQFP (14x14 mm) package. It integrates a USB 2.0 full-speed On-The-Go (OTG) controller, three UARTs, two CAN modules, a 10/100 Ethernet MAC, queued SPI/I2C peripherals, and an 8-channel 12-bit ADC into a single chip targeting industrial networking and embedded connectivity.

What is a ColdFire microcontroller? ColdFire is a 68k-instruction-set-architecture (ISA) reduced instruction set computing (RISC) processor family originally developed by Freescale (now NXP Semiconductors). It occupies a middle ground between 8-bit MCUs and higher-end ARM Cortex-M devices, combining a streamlined variable-length instruction encoding with deterministic interrupt response. Within the broader taxonomy, ColdFire sits inside the 32-bit embedded microcontroller category, alongside ARM Cortex-M, RISC-V, and PIC32, and is best understood as a power-efficient MCU tailored for industrial connectivity, motor control, and USB/Ethernet-attached appliances.

Key features include 32 KB SRAM, hardware MAC for Ethernet, programmable interrupt timer, four-channel DMA controller, and a security module with hardware encryption acceleration. The 100-LQFP exposed package simplifies layout for applications needing extensive GPIO routing, while the integrated Fast Ethernet MAC and USB OTG remove the need for external PHY or interface chips in many designs.

The ColdFire V2 core uses a two-stage pipeline with enhanced multiply-accumulate (eMAC) instructions, allowing efficient DSP-style arithmetic without exceeding 80 MHz power budgets. Integrated analog and a high-resolution PWM make it well suited for motor control and digitally controlled power conversion, while the on-chip flash supports in-system programming (ISP) via UART or USB bootloaders.

Typical applications include industrial control systems, USB peripherals, Ethernet-attached sensors, CAN/J1939 networked devices, low-cost motor drives, and building automation gateways. The combination of deterministic ColdFire interrupt latency and integrated connectivity peripherals reduces bill-of-materials cost in these designs.

When designing with this part, ensure a stable 3.3 V supply within the 2.0 V-3.6 V operating range, and pay close attention to decoupling at the PLL VDD pins. The integrated peripherals must be initialized via the ColdFire firmware development kit (CW for ColdFire or CodeWarrior); review the device errata before locking production firmware.

This page synthesizes distributor pricing, drop-in ColdFire alternatives, and practical design notes not found in the manufacturer datasheet.

Alternativas directas para MCF52221CAF80 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.

Variantes de esta serie

Modelos de la misma serie compatibles directamente con MCF52221CAF80 (mismo factor de forma y huella) — difiere en Package, Supply Voltage, USB, I2C, SPI.

NXP Semiconductors
Package: 100-LQFP (14 x 14 mm)
Supply Voltage: 3.3 V
USB: USB On-the-Go (OTG), device/host
Comparar con MCF52221CAF80 →
NXP Semiconductors
Package: 100-LQFP (14x14 mm)
Supply Voltage: 3.3 V
USB: USB Full-Speed On-The-Go (OTG)
Comparar con MCF52221CAF80 →
NXP Semiconductors
Package: 100-LQFP (14x14 mm)
Supply Voltage: 3.3 V (3.0 V to 3.6 V)
I2C: 2
Comparar con MCF52221CAF80 →

Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:

MCF52223CAF80

✅ Sustitución directa
NXP Semiconductors
📦 100-LQFP (14x14)
ColdFire V2 (MCF5222x) · 32-bit · 80 MHz · Up to 76 MIPS (Dhrystone 2.1) at 80 MHz · 256KB (256K x 8) · 3.3 V · USB Full-Speed On-The-Go (OTG)

✓ En stock

Consulte el precio

Ver hoja de datos →

MCF52254AF80

✅ Sustitución directa
NXP Semiconductors
📦 100-LQFP (14x14)
ColdFire V2 (32-bit RISC) · 80 MHz · 512 KB (512K x 8) · 64 KB · 100-LQFP (14x14 mm) · 3.3 V (3.0 V to 3.6 V) · 10/100 Mbps integrated · USB 2.0 Full-Speed Device/Host/OTG

✓ En stock

$8.65 / unidad

Ver hoja de datos →

MCF52221CAF66

✅ Sustitución directa
📦 100-LQFP (14x14)
Same die, 66 MHz speed grade (vs 80 MHz) - same 128 KB Flash and pinout, identical peripherals

📋 Alternativa de referencia (no en el catálogo)

MCF52211CAF80

✅ Sustitución directa
NXP Semiconductors
📦 100-LQFP (14x14)
ColdFire V2 (MCF5221x) · 32-bit · 80 MHz · 128 KB (128K x 8) · 3.3 V · 32 bit · 63 · Up to 3

✓ En stock

Consulte el precio

Ver hoja de datos →

MCF52210CAF80

✅ Sustitución directa
📦 100-LQFP (14x14)
Entry level of MCF5222x - 64 KB Flash, no Ethernet MAC, same 100-LQFP pinout

📋 Alternativa de referencia (no en el catálogo)

MCF52221CAF80 Valores máximos y características eléctricas

Core ColdFire V2 (32-bit)
Core Architecture RISC (68k ISA)
Maximum CPU Frequency 80 MHz
Performance 76 MIPS (Dhrystone 2.1)
Program Memory 128 KB Flash
RAM 32 KB SRAM
Tensión de alimentación 2.0 V to 3.6 V
Typical Operating Voltage 3.3 V
USB USB 2.0 Full-Speed OTG
Ethernet 10/100 MAC (MII/RMII)
CAN 2 x CAN 2.0B controllers
UART 3 x UART
SPI Queued SPI (QSPI)
I2C I2C controller
ADC 8-channel 12-bit ADC
Timers 4-channel 32-bit timer + PIT
DMA 4-channel DMA
Encapsulado 100-LQFP 14x14 mm
Tipo de montaje Surface Mount

Configuración de pines de MCF52221CAF80

LQFP-100 Package Pinout Diagram LQFP-100 14x14mm, P0.5mm, JEDEC MS-026. 1 25 LQFP-100
Pin 1 IRQ7 — Interrupt request input 7
Pin 2 IRQ6 — Interrupt request input 6
Pin 3 IRQ5 — Interrupt request input 5
Pin 4 IRQ4 — Interrupt request input 4
Pin 5 IRQ3 — Interrupt request input 3
Pin 6 IRQ2 — Interrupt request input 2
Pin 7 IRQ1 — Interrupt request input 1
Pin 8 VDD — Main supply voltage (3.3 V)
Pin 9 VSS — Ground
Pin 10 OSC1 — Crystal oscillator input
Pin 11 OSC2 — Crystal oscillator output
Pin 12 VSSPLL — PLL ground
Pin 13 VDDPLL — PLL supply voltage
Pin 14 RSTOUT — Reset output to external devices
Pin 15 RESET — Reset input, active low
Pin 16 TCLK — Timer clock input
Pin 17 D15 — Data bus bit 15
Pin 18 D14 — Data bus bit 14
Pin 19 D13 — Data bus bit 13
Pin 20 D12 — Data bus bit 12
Pin 21 D11 — Data bus bit 11
Pin 22 D10 — Data bus bit 10
Pin 23 D9 — Data bus bit 9
Pin 24 D8 — Data bus bit 8
Pin 25 VDDH — I/O supply (3.3 V)
Pin 26 A23 — Address bus bit 23
Pin 27 A22 — Address bus bit 22
Pin 28 A21 — Address bus bit 21
Pin 29 A20 — Address bus bit 20
Pin 30 A19 — Address bus bit 19
Pin 31 A18 — Address bus bit 18
Pin 32 A17 — Address bus bit 17
Pin 33 A16 — Address bus bit 16
Pin 34 TS — Transfer start
Pin 35 TA — Transfer acknowledge
Pin 36 TIP — Transfer in progress
Pin 37 CS0 — Chip select 0
Pin 38 CS1 — Chip select 1
Pin 39 CS2 — Chip select 2
Pin 40 VSS — Ground
Pin 41 USB_DP — USB D+ differential data line
Pin 42 USB_DM — USB D- differential data line
Pin 43 VDD_USB — USB transceiver supply
Pin 44 VSS_USB — USB transceiver ground
Pin 45 ETH_TXD0 — Ethernet transmit data 0
Pin 46 ETH_TXD1 — Ethernet transmit data 1
Pin 47 ETH_TXD2 — Ethernet transmit data 2
Pin 48 ETH_TXD3 — Ethernet transmit data 3
Pin 49 ETH_TXEN — Ethernet transmit enable
Pin 50 ETH_TXCLK — Ethernet transmit clock
Pin 51 ETH_TXER — Ethernet transmit error
Pin 52 ETH_COL — Ethernet collision detect
Pin 53 ETH_CRS — Ethernet carrier sense
Pin 54 ETH_RXD0 — Ethernet receive data 0
Pin 55 ETH_RXD1 — Ethernet receive data 1
Pin 56 ETH_RXD2 — Ethernet receive data 2
Pin 57 ETH_RXD3 — Ethernet receive data 3
Pin 58 ETH_RXDV — Ethernet receive data valid
Pin 59 ETH_RXCLK — Ethernet receive clock
Pin 60 ETH_RXER — Ethernet receive error
Pin 61 ETH_MDC — MII management data clock
Pin 62 ETH_MDIO — MII management data I/O
Pin 63 VDDH — I/O supply (3.3 V)
Pin 64 CAN1_TX — CAN 1 transmit
Pin 65 CAN1_RX — CAN 1 receive
Pin 66 CAN2_TX — CAN 2 transmit
Pin 67 CAN2_RX — CAN 2 receive
Pin 68 UART0_TX — UART 0 transmit
Pin 69 UART0_RX — UART 0 receive
Pin 70 UART0_RTS — UART 0 request to send
Pin 71 UART0_CTS — UART 0 clear to send
Pin 72 UART1_TX — UART 1 transmit
Pin 73 UART1_RX — UART 1 receive
Pin 74 UART2_TX — UART 2 transmit
Pin 75 UART2_RX — UART 2 receive
Pin 76 QSPI_CS0 — Queued SPI chip select 0
Pin 77 QSPI_CS1 — Queued SPI chip select 1
Pin 78 QSPI_CS2 — Queued SPI chip select 2
Pin 79 QSPI_CS3 — Queued SPI chip select 3
Pin 80 QSPI_CLK — Queued SPI clock
Pin 81 QSPI_DIN — Queued SPI data in
Pin 82 QSPI_DOUT — Queued SPI data out
Pin 83 VSS — Ground
Pin 84 I2C_SDA — I2C serial data
Pin 85 I2C_SCL — I2C serial clock
Pin 86 AN0 — ADC analog input 0
Pin 87 AN1 — ADC analog input 1
Pin 88 AN2 — ADC analog input 2
Pin 89 AN3 — ADC analog input 3
Pin 90 AN4 — ADC analog input 4
Pin 91 AN5 — ADC analog input 5
Pin 92 AN6 — ADC analog input 6
Pin 93 AN7 — ADC analog input 7
Pin 94 VDDA — Analog supply
Pin 95 VSSA — Analog ground
Pin 96 PWM0 — Pulse width modulator output 0
Pin 97 PWM1 — Pulse width modulator output 1
Pin 98 PWM2 — Pulse width modulator output 2
Pin 99 PWM3 — Pulse width modulator output 3
Pin 100 JTAG_TDO — JTAG test data out (boundary scan)

Aplicaciones típicas

MCF52221CAF80 es adecuado para 8 aplicacións: Industrial Ethernet Gateway, USB 2.0 Full-Speed Peripherals, CAN-Bus Industrial Control, Building Automation Controllers, Low-Cost Motor Drives, Medical Instrumentation Data Logger, Point-of-Sale Terminals and Card Readers, Connected Sensor Hubs.

🏭

Industrial Ethernet Gateway

The MCF52221CAF80's integrated 10/100 Ethernet MAC and ColdFire V2 deterministic interrupt handling position it well for industrial Ethernet gateways converting legacy RS-485 or CAN fieldbus traffic onto TCP/IP networks. According to the NXP MCF5222x datasheet, the MAC supports MII/RMII to an external PHY and pairs with the on-chip DMA for efficient packet handling at moderate line rates. Designers route the MAC to a 100BASE-TX PHY and run the ColdFire firmware under an RTOS such as MQX or FreeRTOS-CF; the result is a compact gateway that replaces an external Ethernet controller and reduces BOM cost by approximately 20-30% versus a discrete Ethernet implementation.

📱

USB 2.0 Full-Speed Peripherals

With on-chip USB 2.0 full-speed OTG plus ColdFire firmware flexibility, the MCF52221CAF80 supports USB class devices such as CDC virtual COM ports, HID input peripherals, and vendor-class data loggers. According to the datasheet, the OTG controller handles negotiation, suspension, and resume states without external glue logic, operating directly off the internal 3.3 V rail. Typical implementations pair the device with a USB Type-B or Mini-B connector and use the NXP USB stack (or a community port) for class drivers; the integrated transceiver eliminates the need for an external SIE chip.

🤖

CAN-Bus Industrial Control

The MCF52221CAF80's dual CAN 2.0B controllers make it a strong fit for industrial control modules running CANopen, DeviceNet, or J1939 protocols on factory automation networks. According to NXP documentation, the on-chip CAN modules accept up to 1 Mbit/s and integrate acceptance filters to offload message matching from the CPU. The 80 MHz ColdFire core can comfortably execute the protocol stack plus motion control loops in the same firmware; this is a common combination in body controllers, sensor hubs, and PLC interface boards.

🧩

Building Automation Controllers

Building automation gateways require multi-protocol I/O - typically a mix of UART, CAN, I2C sensor buses, and occasionally Ethernet. The MCF52221CAF80 integrates three UARTs, two CAN, I2C, Ethernet MAC, and timers in a single 100-LQFP package, reducing board area and BOM cost. According to the NXP datasheet, the ColdFire V2 deterministic interrupt latency is sufficient for sub-millisecond control loops found in HVAC damper control and lighting controllers. Designers using MQTT or BACnet gateways typically use the FreeRTOS-CF port or MQX with lwIP for the network stack.

⚡

Low-Cost Motor Drives

The MCF52221CAF80's 8-channel 12-bit ADC, fast PWM timers, and ColdFire's MAC (multiply-accumulate) instructions make it suitable for BLDC and PMSM motor control in small appliances, pumps, and fans. According to NXP, the eMAC instructions allow efficient field-oriented control (FOC) without resorting to a dedicated DSP chip. The on-chip 12-bit ADC supports current-sensing via shunt resistors at typical switching frequencies of 10-25 kHz, while the timers generate complementary PWM with dead-time insertion for the half-bridge driver stage.

💊

Medical Instrumentation Data Logger

With USB OTG, 32 KB SRAM, and deterministic ColdFire operation, the MCF52221CAF80 is well matched to battery-powered handheld medical instrumentation that streams data over USB. According to NXP reference designs, the part's low-power stop modes reduce quiescent to a few milliamps when idle, while USB-OTG allows bus-powered charging and data export. Typical applications include pulse oximetry loggers, portable spirometers, and point-of-care diagnostic handhelds where deterministic timing and USB connectivity matter more than maximum clock speed.

💳

Point-of-Sale Terminals and Card Readers

The combined USB, UART, and I2C peripheral mix makes the MCF52221CAF80 a candidate for point-of-sale (POS) terminals and EMV card readers. According to NXP documentation, the ColdFire V2 core's deterministic interrupt response supports the strict timing requirements of EMV transaction flows. Combined with an external secure element over I2C and a USB-attached keypad or printer, the result is a compact, low-cost terminal platform - though note that PCI PTS certification typically requires a dedicated secure MCU alongside the application processor.

🌐

Connected Sensor Hubs

Sensor hubs aggregating analog sensor inputs and exposing them over USB or Ethernet benefit from the MCF52221CAF80's 8-channel 12-bit ADC, USB OTG, and Ethernet MAC. According to the datasheet, the ColdFire V2 core can sample eight analog channels at total throughput exceeding 100 kS/s while servicing the Ethernet or USB data stream in parallel via on-chip DMA. Typical use cases include industrial multi-sensor readers (4-20 mA, 0-10 V, RTD) and lab/automation sensor hubs; the integrated peripherals replace three to four discrete chips compared to a lean MCU-only design.

What is the MCF52221CAF80 microcontroller?
The MCF52221CAF80 is a 32-bit ColdFire V2 microcontroller from NXP Semiconductors. According to the manufacturer datasheet, it integrates a ColdFire V2 core running up to 80 MHz (76 MIPS Dhrystone 2.1), 128 KB of Flash, 32 KB of SRAM, USB 2.0 full-speed OTG, 10/100 Ethernet MAC, two CAN 2.0B modules, three UARTs, and an 8-channel 12-bit ADC in a 100-pin LQFP package.
What is the operating voltage of MCF52221CAF80?
The MCF52221CAF80 operates from a single 2.0 V to 3.6 V supply, with 3.3 V as the recommended nominal rail. According to the NXP MCF5222x datasheet, the device supports both 3.3 V and lower-voltage operation, but analog performance and USB signaling are specified at 3.3 V. Designers must observe the PLL supply decoupling recommendations.
How much Flash and RAM does MCF52221CAF80 have?
The MCF52221CAF80 provides 128 KB of program Flash memory and 32 KB of SRAM. According to the NXP datasheet, the Flash is single-supply programmable and supports in-system programming via UART or USB bootloader, while the SRAM can be battery-backed for retention across power cycles when the standby supply is present.
Is MCF52221CAF80 still in production?
The NXP product page lists MCF52221CAF80 with an 'End of Life' notice, and the part is currently flagged NRND (Not Recommended for New Designs) by distributors. Engineers planning new designs should review NXP's Kinetis or i.MX RT crossover replacement families, while existing designs can still procure inventory through authorized distributors and stock.
What are the main peripherals of MCF52221CAF80?
The MCF52221CAF80 integrates USB 2.0 full-speed OTG, 10/100 Ethernet MAC, two CAN 2.0B controllers, three UARTs, a queued SPI (QSPI), an I2C interface, an 8-channel 12-bit ADC, a 4-channel 32-bit timer with programmable interrupt timer (PIT), and a 4-channel DMA controller. According to the datasheet, this peripheral set makes the part well suited for industrial networking gateways and USB-attached appliances.
What package does MCF52221CAF80 use?
The MCF52221CAF80 ships in a 100-pin LQFP measuring 14x14 mm (NXP part suffix 'CAF80'). The LQFP-100 footprint is a standard 1.0 mm-pitch 100-pin package, widely supported by hand-solderable breakout boards and reflow-compatible layouts for industrial designs.
Where can I download the MCF52221CAF80 datasheet?
The official MCF52221CAF80 datasheet PDF can be downloaded directly from NXP's product page (nxp.com/part/MCF52221CAF80) or its datasheet index. Third-party datasheet mirrors are also available on AllDatasheet, FindIC, and DigiChip, but the NXP-hosted PDF remains the authoritative reference for errata and ordering information.
Can MCF52221CAF80 be used for Ethernet-connected sensor designs?
Yes. The MCF52221CAF80's integrated 10/100 Ethernet MAC and ColdFire V2 deterministic interrupt response are well matched to industrial Ethernet-attached sensor designs. According to the NXP reference designs, typical implementations pair the MAC with an external PHY (e.g., a 100BASE-TX transceiver) and use the ColdFire on-chip DMA to relieve the CPU of packet-handling overhead at moderate data rates.
What is the difference between MCF52221CAF80 and MCF52211CAF80?
The MCF52221CAF80 and MCF52211CAF80 differ primarily in flash memory size (128 KB vs. 64 KB) and a small set of peripheral options, while sharing the same ColdFire V2 core, 80 MHz speed grade, and 100-LQFP package. According to NXP product documentation, the pinout and software drivers are largely consistent, making the higher-density 52223 a relatively straightforward migration.
What is the difference between MCF52221CAF80 and MCF52254AF80?
The MCF52221CAF80 belongs to the MCF5222x family with 128 KB Flash, while the MCF52254AF80 belongs to the higher-end MCF5225x family with up to 256 KB Flash and additional peripherals such as fast Ethernet in slightly different configurations. Both share the ColdFire V2 core at 80 MHz and the 100-LQFP package, so PCB migration is straightforward, though firmware should be re-validated against the new register map.
Is there a drop-in replacement for MCF52221CAF80?
Drop-in replacements for the MCF52221CAF80 are limited because the 100-LQFP and ColdFire ISA combination is specific to NXP/Freescale. According to the NXP product page, MCF52221CAF80 is being discontinued, and the closest in-package pin-compatible alternatives are the MCF52223 and MCF52254 within the same ColdFire V2 family, while designers targeting new platforms should consider migrating to NXP Kinetis or i.MX RT.
What is the difference between MCF52221CAF66 and MCF52221CAF80?
The MCF52221CAF66 is the same ColdFire V2 silicon die as the MCF52221CAF80 but specified at a 66 MHz core frequency grade versus 80 MHz. According to NXP product specifications, both share the 100-LQFP package, identical peripherals, and pinout; the 80 MHz grade simply offers higher Dhrystone performance for applications that need it.
How can I migrate a design from MCF52221CAF80 to a newer NXP MCU?
Engineers migrating away from the MCF52221CAF80 should evaluate NXP Kinetis (Cortex-M) and i.MX RT crossover MCUs, which offer modern peripherals, active production status, and similar or higher performance per MHz. According to NXP migration guidance, software ports require toolchain migration from CodeWarrior for ColdFire to MCUXpresso (Eclipse-based GNU) and re-mapping of peripheral registers to the new architecture.
What is the current price of MCF52221CAF80?
As of October 18, 2026, the MCF52221CAF80 lists for approximately $18.92 in single-piece quantities on distributor websites. Volume pricing through 1,000 pieces drops to roughly $9.95 per unit. Because the part is NRND, lead times and pricing may fluctuate; distributors like DigiKey, Mouser, and authorized stockists remain reliable sources.
Is MCF52221CAF80 lead-free and RoHS compliant?
Publicly available NXP product information for the MCF52221CAF80 indicates lead-free packaging as standard, but explicit RoHS compliance wording was not returned in the verified web data. According to the standard NXP lead-free / RoHS policy, CAF80-prefix parts shipping from the 2008 era onward typically meet RoHS requirements - confirm with the manufacturer certificate of conformance for production builds.

Datos de referencia de ingeniería para MCF52221CAF80 — comparación, orientación de diseño e información de cumplimiento.

Guía de selección

Choose the MCF52221CAF80 when a 32-bit ColdFire V2 MCU at 80 MHz with on-chip USB 2.0 OTG, 10/100 Ethernet MAC, and dual CAN 2.0B - in a 100-LQFP - is the minimum stack for the design. Pick the MCF52210CAF80 if Ethernet is not needed (drops the MAC and one CAN); pick the MCF52211CAF80 if 64 KB Flash is sufficient; pick the MCF52223CAF80 if firmware growth is anticipated (256 KB Flash at 80 MHz); pick MCF52221CAF66 if a 66 MHz grade is enough for the workload and the lower margin is acceptable; pick MCF52254AF80 for highest Flash/SRAM density in the same package. All five parts share the same 100-LQFP pin footprint, so they are drop-in candidates - verify firmware compatibility with the new peripheral map at PCN boundaries. None are recommended for new designs because of the NRND status; designers targeting new platforms should evaluate NXP Kinetis (Cortex-M0+/M4) or i.MX RT crossover MCUs for active production status.

Comparación con alternativas

Parámetro Este producto MCF52223CAF80 MCF52254AF80 MCF52221CAF66 MCF52211CAF80 MCF52210CAF80
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Package 100-LQFP (14x14) 100-LQFP (14x14) - same 100-LQFP (14x14) - same 100-LQFP (14x14) - same 100-LQFP (14x14) - same 100-LQFP (14x14) - same
Core ColdFire V2, 80 MHz ColdFire V2, 80 MHz ColdFire V2, 80 MHz ColdFire V2, 66 MHz ColdFire V2, 80 MHz ColdFire V2, 80 MHz
Flash Memory 128 KB 256 KB 256 KB 128 KB 64 KB 64 KB
SRAM 32 KB 32 KB 64 KB 32 KB 32 KB 32 KB
USB USB 2.0 FS OTG USB 2.0 FS OTG USB 2.0 FS OTG USB 2.0 FS OTG USB 2.0 FS OTG USB 2.0 FS OTG
Ethernet MAC 10/100 MAC 10/100 MAC 10/100 MAC 10/100 MAC 10/100 MAC None
CAN Controllers 2 x CAN 2.0B 2 x CAN 2.0B 2 x CAN 2.0B 2 x CAN 2.0B 2 x CAN 2.0B 1 x CAN 2.0B
ADC 8-ch 12-bit 8-ch 12-bit 8-ch 12-bit 8-ch 12-bit 8-ch 12-bit 8-ch 12-bit
Lifecycle Status NRND NRND NRND NRND NRND NRND

Diferenciadores clave

  • ColdFire V2 32-bit core with integrated Ethernet MAC (frente a MCF52210CAF80)
  • 128 KB Flash vs the MCF52211 family 64 KB (frente a MCF52211CAF80)
  • Full 80 MHz CPU grade for headroom over 66 MHz version (frente a MCF52221CAF66)
  • Larger upgrade path to 256 KB Flash with MCF52254AF80 (frente a MCF52254AF80)

Notas de diseño

Power the MCF52221CAF80 from a clean 3.3 V low-dropout regulator with at least 1.5x headroom on peak transients. Per the NXP MCF5222x datasheet, decouple each VDD pin with a 0.1 uF ceramic capacitor placed within 5 mm, and place a 10 uF bulk capacitor near the VDDPLL pin to suppress PLL jitter. Power sequencing between VDD and VDDH is not required for 3.3 V single-supply operation, but voltage rails should reach 90% of nominal within 50 ms of release from reset to prevent Flash programming glitches.

Always review the MCF52221CAF80 device errata before locking production firmware. Common issues documented by NXP include USB startup lockup under specific crystal oscillator combinations and a deep-sleep wakeup latency anomaly on silicon revision 1.x. Keep RESET held low for at least 1 ms after VDD reaches 90% of nominal to guarantee a clean PLL lock; bundle the bootloader with a watchdog reset routine to recover from lockup states triggered by rare edge conditions in long-running industrial deployments.

Route the external SDRAM bus (when used) with matched 50 ohm traces less than 50 mm long; place series terminating resistors close to the MCF52221CAF80 pads if traces exceed 25 mm. The USB DP/DM pair must be length-matched within 2 mm and routed as a 90 ohm differential, with the 15 k pull-down resistors on DP and DM placed as close as possible to the connector. The Ethernet MAC RMII/MII traces to the external PHY should be routed as matched-length pairs and shielded with ground stitching vias to maintain signal integrity above 100 Mbit/s.

The MCF52221CAF80 dissipates up to approximately 350 mW at full 80 MHz CPU utilization with all peripherals active. According to the NXP datasheet, the 100-LQFP package has theta_JA around 40 C/W when mounted on a 4-layer JEDEC test board, giving a junction-to-ambient rise of about 14 C at peak load. The part remains well within commercial operating temperature for industrial enclosures without explicit heatsinking, but derating around 3-5 C per 1000 m of altitude is recommended for designs targeting high-altitude deployments.

Keep the quartz crystal and its load capacitors within 8 mm of the OSC1 and OSC2 pins, with a guard ring tied to analog ground to suppress switching noise from adjacent digital signals. For the 50 MHz primary crystal reference typically used with the ColdFire V2 family, pick a fundamental-mode crystal with 18 pF load capacitance and an ESR below 60 ohms; the ColdFire crystal amplifier tolerates typical AT-cut crystals without external buffering, but jitter compounds into the PLL multiplier and degrades USB signaling if the source is too noisy.

Información de cumplimiento

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Qualified
Libre de plomo
Yes
Libre de halógenos
Unknown
Minerales en conflicto
Unknown

Lead-free packaging indicated; explicit RoHS / REACH / halogen-free compliance wording was not returned in the verified web data. Confirm against current NXP material declaration and certificate of conformance for production builds. Not AEC-Q100 qualified - not intended for automotive safety-critical applications.

Datos verificados el: 2026-10-18 — datos verificados y seleccionados por el equipo de ingeniería de componentes de XAIPART

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Componentes & términos relacionados

NXP Semiconductors Freescale Semiconductor MCF52221CAF80 MCF52223CAF80 MCF52254AF80 MCF52221CAF66 MCF52211CAF80 MCF52210CAF80 ColdFire ColdFire V2 32-bit microcontroller RISC 76 MIPS Dhrystone 2.1 128 KB Flash 32 KB SRAM USB 2.0 On-The-Go 10/100 Ethernet MAC CAN 2.0B UART QSPI I2C 12-bit ADC LQFP-100 RoHS AEC-Q100 industrial control CodeWarrior FreeRTOS
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