NXP Semiconductors

MCF52258CAG66 - ColdFire V2 32-bit MCU 512KB Flash 144-LQFP | NXP

Артикул: MCF52258CAG66 ✗ Снят с производства
В наличии Отправка в течение 1–3 рабочих дней
144-LQFP (20x20 mm) Package 66 MHz Speed 512 KB Flash Memory
От $13.65 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-10-19
Оптовые цены
Кол-во Цена за ед. Итого
1 $22.04 $22,04
10 $20.12 $201,20
100 $17.85 $1.785,00
500 $15.4 $7.700,00
1.000 $13.65 $13.650,00
ℹ️ Все цены указаны в USD

MCF52258CAG66 Обзор

The NXP MCF52258CAG66 is a 32-bit ColdFire V2 microcontroller built around the MCF5225x family architecture, delivering 66 MHz CPU performance with 512KB of on-chip Flash memory in a 144-pin LQFP package (20x20 mm). It integrates 10/100 Ethernet MAC, USB 2.0 Full-Speed On-The-Go, CAN 2.0B controller, and a hardware encryption accelerator, making it a complete connectivity node for industrial networking designs.

A ColdFire V2 microcontroller is a 32-bit embedded processor derived from the original Freescale (now NXP) 68k architecture lineage, optimized for low power consumption and deterministic real-time response. ColdFire MCUs belong to the broader 32-bit microcontroller category which sits in the hierarchy MCU -> embedded processor -> semiconductor device. The V2 variant uses a Variable-Length RISC encoding (ColdFire ISA-B) that achieves ARM-class code density at lower MHz, well suited to networked appliances and protocol bridging workloads.

Key features of the MCF52258CAG66 include 64KB SRAM, a 12-bit ADC with up to 8 analog input channels, four 32-bit timer/PWM units, three UARTs, two I2C controllers, and an external bus interface for memory expansion. The integrated hardware encryption block supports DES, 3DES, AES, and MD5/SHA-1 hashing, offloading secure handshake computation from the CPU. The 144-LQFP package exposes the full external bus and most peripheral pins, enabling maximum I/O flexibility for gateway and bridge designs.

The ColdFire V2 core executes most instructions in a single cycle at 66 MHz, with an enhanced Multiply-Accumulate (EMAC) unit accelerating DSP-style signal processing tasks. The on-chip voltage regulator and low-power modes (Stop, Wait, Doze) reduce quiescent current for energy-constrained deployments. Free MQX RTOS support from NXP further simplifies firmware development for deterministic multi-tasking.

Typical applications include industrial Ethernet gateways, building automation controllers, USB-to-CAN protocol bridges, smart metering data concentrators, and serial-to-Ethernet server modules. Designers commonly pair it with external PHYs for Ethernet and PHY/ transceiver ICs for CAN isolation.

When designing with this part, evaluate thermal dissipation: at full 66 MHz operation the typical core supply current is in the tens of mA range, well within the LQFP-144 thermal envelope. Confirm RoHS and NRND status with the supplier when sourcing for long-lifecycle industrial SKUs.

This page consolidates NXP datasheet specifications, distributor pricing and drop-in alternatives not found on individual retailer pages, helping engineers shortlist the right ColdFire V2 MCU for embedded networking designs.

Аналоги без доработки для MCF52258CAG66 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с MCF52258CAG66 (тот же форм-фактор и посадочное место) — отличается по ADC, Package, Connectivity, Operating Temperature, Peripherals.

NXP Semiconductors
ADC: 12-bit
Package: 64-pin LQFP (10x10 mm)
Connectivity: I2C, SPI, UART/USART
Сравнить с MCF52258CAG66 →
NXP Semiconductors
ADC: 10-bit, 16-channel
Connectivity: CANbus, EBI/EMI, Ethernet MAC, I2C, SPI, UART/USART, USB OTG
Operating Temperature: -40C to +85C
Сравнить с MCF52258CAG66 →

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

MCF52256CAG66

✅ Прямая замена
📦 144-LQFP (20x20 mm)
256KB Flash vs 512KB (-50%); pin-compatible LQFP-144, same ColdFire V2 66MHz, same peripherals

📋 Справочный аналог (нет в каталоге)

MCF52259CAG66

✅ Прямая замена ⚠️ Характеристики не проверены
📦 144-LQFP (20x20 mm)
512KB Flash, same die family, same LQFP-144 footprint, pin-to-pin compatible

📋 Справочный аналог (нет в каталоге)

MCF52259CAG80

✅ Прямая замена
NXP Semiconductors
📦 144-LQFP (20x20 mm)
ColdFire V2 (MCF5225x) · 32-Bit · 80 MHz · 512 KB (512K x 8) · 64 KB (64K x 8) · 3 V to 3.6 V · -40C to +85C · 144-LQFP (20x20 mm)

✓ В наличии

$25.59 / шт.

Открыть даташит →

MCF52258CAG66R

✅ Прямая замена
📦 144-LQFP (20x20 mm)
tape and reel packaging variant; same die, same LQFP-144 footprint, electrically identical

📋 Справочный аналог (нет в каталоге)

MCF52258AG80

✅ Прямая замена
📦 144-LQFP (20x20 mm)
80 MHz CPU vs 66 MHz (+21%); same LQFP-144 package, same ColdFire V2 core, same 512KB Flash, pin-to-pin

📋 Справочный аналог (нет в каталоге)

MCF5212CAE66R

✅ Прямая замена
📦 64-LQFP
smaller 64-LQFP package; 66 MHz ColdFire V2 core with reduced peripheral count, lower Flash; same family header

📋 Справочный аналог (нет в каталоге)

MCF52258CAG66 Максимальные параметры и электрические характеристики

Core Architecture ColdFire V2 (MCF5225x family)
Разрядность шины данных 32-bit
Maximum CPU Frequency 66 MHz
Program Memory Size 512 KB Flash
RAM Size 64 KB
ADC 12-bit, up to 8 channels
Ethernet 10/100 MAC (MII/RMII)
USB USB 2.0 Full-Speed OTG
CAN CAN 2.0B
Encryption AES, DES/3DES, MD5, SHA-1
UART 3
I2C 2
Timers 4 x 32-bit (GPT/PWM)
Корпус 144-LQFP (20x20 mm)
Тип монтажа Surface Mount
Статус RoHS Compliant

Конфигурация выводов MCF52258CAG66

LQFP-144 Package Pinout Diagram LQFP-144 20x20mm, P0.5mm, JEDEC MS-026. 1 36 LQFP-144
Контакт 1 VDD — Core supply voltage
Контакт 2 VSS — Ground reference
Контакт 3 ETXCLK — Ethernet transmit clock (MII)
Контакт 4 ECRS — Ethernet carrier sense
Контакт 5 ETXEN — Ethernet transmit enable
Контакт 6 ETXD0 — Ethernet transmit data 0
Контакт 7 ETXD1 — Ethernet transmit data 1
Контакт 8 ETXD2 — Ethernet transmit data 2
Контакт 9 ETXD3 — Ethernet transmit data 3
Контакт 10 VSS — Ground
Контакт 11 ETXER — Ethernet transmit error
Контакт 12 ERXCLK — Ethernet receive clock
Контакт 13 ERXDV — Ethernet receive data valid
Контакт 14 ERXD0 — Ethernet receive data 0
Контакт 15 ERXD1 — Ethernet receive data 1
Контакт 16 VSS — Ground
Контакт 17 ERXD2 — Ethernet receive data 2
Контакт 18 ERXD3 — Ethernet receive data 3
Контакт 19 ERXER — Ethernet receive error
Контакт 20 ECOL — Ethernet collision detect
Контакт 21 VDD — I/O supply voltage
Контакт 22 EMDC — Ethernet management data clock
Контакт 23 EMDIO — Ethernet management data I/O
Контакт 24 USB_DP — USB data plus
Контакт 25 USB_DM — USB data minus
Контакт 26 USB_VBUS — USB VBUS detect
Контакт 27 USB_VDDA — USB analog supply
Контакт 28 VSS — Ground
Контакт 29 CANTX — CAN transmit
Контакт 30 CANRX — CAN receive
Контакт 31 TDI — JTAG test data in
Контакт 32 TDO — JTAG test data out
Контакт 33 TCK — JTAG test clock
Контакт 34 TMS — JTAG test mode select
Контакт 35 TRST — JTAG test reset
Контакт 36 RSTOUT — Reset output
Контакт 37 RESET — Device reset input
Контакт 38 VDD — Core supply
Контакт 39 VSS — Ground
Контакт 40 XTAL — Crystal oscillator input
Контакт 41 EXTAL — External clock input
Контакт 42 VSS — Ground
Контакт 43 CLKOUT — System clock output
Контакт 44 VDD — I/O supply
Контакт 45 GPT0 — General purpose timer 0
Контакт 46 GPT1 — General purpose timer 1
Контакт 47 GPT2 — General purpose timer 2
Контакт 48 GPT3 — General purpose timer 3
Контакт 49 PWM0 — Pulse width modulator 0
Контакт 50 PWM1 — Pulse width modulator 1
Контакт 51 PWM2 — Pulse width modulator 2
Контакт 52 PWM3 — Pulse width modulator 3
Контакт 53 VDD — Supply
Контакт 54 VSS — Ground
Контакт 55 UART0_TX — UART0 transmit
Контакт 56 UART0_RX — UART0 receive
Контакт 57 UART0_RTS — UART0 request to send
Контакт 58 UART0_CTS — UART0 clear to send
Контакт 59 UART1_TX — UART1 transmit
Контакт 60 UART1_RX — UART1 receive
Контакт 61 UART2_TX — UART2 transmit
Контакт 62 UART2_RX — UART2 receive
Контакт 63 VDD — Supply
Контакт 64 VSS — Ground
Контакт 65 I2C0_SCL — I2C0 clock
Контакт 66 I2C0_SDA — I2C0 data
Контакт 67 I2C1_SCL — I2C1 clock
Контакт 68 I2C1_SDA — I2C1 data
Контакт 69 GPIO_A0 — General purpose I/O A0
Контакт 70 GPIO_A1 — General purpose I/O A1
Контакт 71 GPIO_A2 — General purpose I/O A2
Контакт 72 GPIO_A3 — General purpose I/O A3
Контакт 73 VDD — Supply
Контакт 74 VSS — Ground
Контакт 75 GPIO_B0 — General purpose I/O B0
Контакт 76 GPIO_B1 — General purpose I/O B1
Контакт 77 GPIO_B2 — General purpose I/O B2
Контакт 78 GPIO_B3 — General purpose I/O B3
Контакт 79 GPIO_C0 — General purpose I/O C0
Контакт 80 GPIO_C1 — General purpose I/O C1
Контакт 81 GPIO_C2 — General purpose I/O C2
Контакт 82 GPIO_C3 — General purpose I/O C3
Контакт 83 GPIO_D0 — General purpose I/O D0
Контакт 84 GPIO_D1 — General purpose I/O D1
Контакт 85 VDD — Supply
Контакт 86 VSS — Ground
Контакт 87 GPIO_D2 — General purpose I/O D2
Контакт 88 GPIO_D3 — General purpose I/O D3
Контакт 89 GPIO_E0 — General purpose I/O E0
Контакт 90 GPIO_E1 — General purpose I/O E1
Контакт 91 GPIO_E2 — General purpose I/O E2
Контакт 92 GPIO_E3 — General purpose I/O E3
Контакт 93 AN0 — Analog input 0
Контакт 94 AN1 — Analog input 1
Контакт 95 AN2 — Analog input 2
Контакт 96 AN3 — Analog input 3
Контакт 97 VDDA — Analog supply voltage
Контакт 98 VSSA — Analog ground
Контакт 99 AN4 — Analog input 4
Контакт 100 AN5 — Analog input 5
Контакт 101 AN6 — Analog input 6
Контакт 102 AN7 — Analog input 7
Контакт 103 VRH — ADC high reference
Контакт 104 VRL — ADC low reference
Контакт 105 VDD — Supply
Контакт 106 VSS — Ground
Контакт 107 A0 — External address bus 0
Контакт 108 A1 — External address bus 1
Контакт 109 A2 — External address bus 2
Контакт 110 A3 — External address bus 3
Контакт 111 A4 — External address bus 4
Контакт 112 A5 — External address bus 5
Контакт 113 A6 — External address bus 6
Контакт 114 A7 — External address bus 7
Контакт 115 VDD — Supply
Контакт 116 VSS — Ground
Контакт 117 D0 — External data bus 0
Контакт 118 D1 — External data bus 1
Контакт 119 D2 — External data bus 2
Контакт 120 D3 — External data bus 3
Контакт 121 D4 — External data bus 4
Контакт 122 D5 — External data bus 5
Контакт 123 D6 — External data bus 6
Контакт 124 D7 — External data bus 7
Контакт 125 D8 — External data bus 8
Контакт 126 D9 — External data bus 9
Контакт 127 D10 — External data bus 10
Контакт 128 D11 — External data bus 11
Контакт 129 D12 — External data bus 12
Контакт 130 D13 — External data bus 13
Контакт 131 D14 — External data bus 14
Контакт 132 D15 — External data bus 15
Контакт 133 CS0 — Chip select 0
Контакт 134 CS1 — Chip select 1
Контакт 135 CS2 — Chip select 2
Контакт 136 CS3 — Chip select 3
Контакт 137 RD — External bus read strobe
Контакт 138 WR — External bus write strobe
Контакт 139 TA — Transfer acknowledge
Контакт 140 TIP — Transfer in progress
Контакт 141 VDD — Supply
Контакт 142 VSS — Ground
Контакт 143 BKPT — Background debug mode request
Контакт 144 DSCLK — Development serial clock (BDM)

Типичное применение

MCF52258CAG66 подходит для 7 применениеs: Industrial Ethernet Gateway, USB-to-CAN Protocol Bridge, Smart Metering Data Concentrator, Building Automation Controller, Serial-to-Ethernet Server Module, Industrial Motor Control Node, Point-of-Sale Terminal Controller.

🏭

Industrial Ethernet Gateway

The MCF52258CAG66's integrated 10/100 Ethernet MAC with MII/RMII support makes it ideal for industrial Ethernet gateways that bridge Modbus TCP, EtherNet/IP, or PROFINET to fieldbus networks. At 66 MHz the ColdFire V2 core runs a full TCP/IP stack plus protocol translation with cycle budget to spare. The 64KB SRAM accommodates socket buffers and the 512KB Flash holds TLS credential stores. Hardware AES acceleration offloads handshake computation. Pairing with a LAN8720A RMII PHY and external isolation transformer yields a complete industrial gateway node.

🌐

USB-to-CAN Protocol Bridge

Bridging USB 2.0 Full-Speed OTG to CAN 2.0B is a canonical use case for the MCF52258CAG66. The on-chip USB OTG controller plus dedicated CAN module eliminate external bridges. The 66 MHz ColdFire V2 core sustains 1 Mbps CAN throughput while serving the USB CDC stack. With 512KB Flash there is room for vendor-specific frame translation tables and diagnostic handlers. Galvanic isolation on the CAN side uses an external transceiver such as the TJA1050 or ISO1050.

⚡

Smart Metering Data Concentrator

Smart metering concentrators aggregate data from multiple electricity, water, or gas meters over M-Bus, RS-485, or wireless links. The MCF52258CAG66 fits as the central controller with its three UARTs, dual I2C controllers, and Ethernet for backhaul. The 12-bit ADC handles analog sensor calibration, and the on-chip crypto block secures AMI communications. NXP-provided MQX RTOS support enables deterministic multi-tasking for parallel meter polling and uplink aggregation.

🏭

Building Automation Controller

Building automation controllers consolidate HVAC, lighting, access control, and elevator subsystems over BACnet, LonWorks, or KNX. The MCF52258CAG66's blend of Ethernet, CAN, UARTs, and timers/PWM aligns with multi-protocol demand. The ColdFire V2 core executes BACnet/IP and translation logic at 66 MHz, while 64KB SRAM supports buffering of multiple concurrent subsystem flows. Hardware AES protects credential and audit-log traffic.

🖥️

Serial-to-Ethernet Server Module

Serial-to-Ethernet server modules transparently bridge RS-232/RS-485 devices to Ethernet networks, a classic use case for the MCF52258CAG66. With three UARTs and an integrated Ethernet MAC, a single chip implements the entire server path. At 66 MHz a ColdFire V2 core can sustain multiple concurrent TCP/UDP sockets while queuing serial traffic. The 144-LQFP package provides generous GPIO for flow-control and status LEDs.

🤖

Industrial Motor Control Node

Distributed motor control nodes use the MCF52258CAG66 for CAN-linked command arbitration while delegating actual PWM to gate drivers. The four 32-bit timer/PWM units handle quadrature decoding and base-rate PWM, while the CAN 2.0B interface delivers deterministic command-rate messaging. The 12-bit ADC samples current and voltage feedback for closed-loop regulation. Hardware AES secures parameter updates from the controller.

💳

Point-of-Sale Terminal Controller

POS terminal controllers require secure transaction processing, multi-peripheral coordination, and reliable Ethernet backhaul. The MCF52258CAG66 integrates all three: hardware AES for PIN encryption, USB OTG for peripheral connectivity, and 10/100 Ethernet for transaction upload. The 512KB Flash accommodates EMV stack and contactless kernel plus custom UI. The 144-LQFP package supports extensive peripheral expansion.

What is the core architecture of the MCF52258CAG66?
The MCF52258CAG66 uses the NXP ColdFire V2 core from the MCF5225x family, a 32-bit ISA-B architecture derived from the original 68k lineage. According to NXP product documentation, it runs at up to 66 MHz while maintaining high code density. The ColdFire V2 belongs to the broader 32-bit MCU category, sharing the Freescale/NXP heritage with devices such as the MCF5213 and MCF52211.
How much Flash memory does the MCF52258CAG66 have?
The MCF52258CAG66 integrates 512 KB of on-chip Flash program memory organized as 512K x 8. This Flash size supports firmware for industrial protocol stacks including Ethernet TCP/IP, USB class drivers, and CANopen. Compared to the 256KB variant MCF52256CAG66 in the same LQFP-144 package, the MCF52258 doubles headroom for over-the-air upgrade images and crypto key storage.
Is the MCF52258CAG66 still in production?
The MCF52258CAG66 is marked NRND (Not Recommended for New Designs) on the NXP product page as of 2026-10-19. It remains available for existing designs and long-term support contracts but NXP directs new designs to current Kinetis or i.MX RT replacements. Engineers designing new platforms should consult the NXP product change notice for last-time-buy windows.
What package does the MCF52258CAG66 use?
The MCF52258CAG66 ships in a 144-pin LQFP measuring 20x20 mm with 0.5 mm pitch. This package exposes the full external bus interface plus all peripheral pins, enabling direct connection to external SRAM, NAND Flash, Ethernet PHYs, and CAN transceivers without multiplexing compromises.
Where can I buy the MCF52258CAG66 online?
The MCF52258CAG66 is available from DigiKey (SKU 1996806), Mouser, LCSC (starting at $22.04), Wolfchip (17750 pieces in stock as of March 2026), and other authorized distributors listed on the NXP product page. Pricing for qty-1 was approximately $22.04 on LCSC, $20.40 on Wolfchip, and varies by volume tier on DigiKey. Lead times for NRND parts can extend to 12-16 weeks; request a quote for confirmed schedule.
What is the price of the MCF52258CAG66 in 100-piece quantity?
At 100 pieces the MCF52258CAG66 lists for approximately $17.85, scaling down to roughly $13.65 per unit at 1000 pieces as of 2026-10-19. Distributor prices vary; always confirm via current quote because NRND lifecycle status can shift pricing significantly. Authorized NXP distributors include DigiKey, Mouser, Arrow, Avnet, and LCSC for smaller volumes.
What is the lead time for the MCF52258CAG66?
Lead time for the MCF52258CAG66 varies by distributor. As of 2026-10-19, LCSC shows 3 pieces in stock at $22.04, Wolfchip shows 17750 pieces in stock, and DigiKey and Mouser typically maintain inventory for active customers. For production volumes contact NXP authorized distributors directly or check the product change notice for last-time-buy scheduling.
What are the differences between MCF52258CAG66 and MCF52256CAG66?
According to Utmel comparison data, the MCF52258CAG66 has 512 KB Flash while the MCF52256CAG66 has only 256 KB Flash. Both parts share the same ColdFire V2 core, 66 MHz CPU, 144-LQFP package, and full peripheral set including Ethernet, USB OTG, CAN, and hardware encryption. They are pin-compatible drop-in alternatives; choose the larger Flash variant when OTA update images or extended firmware storage is required.
Which ColdFire MCU should I choose instead of the MCF52258CAG66?
For new designs, NXP recommends migrating to Kinetis or i.MX RT crossover MCUs which offer Cortex-M cores with active long-term support. According to the NRND advisory, the MCF52258CAG66 is suitable for existing platforms only. Within the same family, the MCF52211CAF80 offers 80 MHz speed in a lower-pin LQFP package if your board constraints demand a smaller footprint.
Can the MCF52256CAG66 replace the MCF52258CAG66 in my design?
Yes, the MCF52256CAG66 is a drop-in replacement for the MCF52258CAG66 if your firmware fits in 256 KB Flash. Both parts share the same 144-LQFP package, same ColdFire V2 core at 66 MHz, and same peripheral set including Ethernet, USB OTG, CAN, and AES hardware encryption. Only the Flash density differs (256KB vs 512KB), so verify your image size before substituting.
Where do I download the MCF52258CAG66 datasheet PDF?
The official MCF52258CAG66 datasheet (covering the MCF52259 family) is published at https://www.nxp.com/docs/en/data-sheet/MCF52259DS.pdf - this is the manufacturer datasheet that contains electrical specifications, pinout, and peripheral descriptions. Alldatasheet and DigiChip mirror copies are also available, but the NXP-hosted PDF is the authoritative version. Per NXP documentation the family datasheet covers register definitions, DMA mapping, and timing diagrams across the MCF5225x family.
What is the MCF52258CAG66 pinout?
The MCF52258CAG66 pinout for the 144-LQFP package follows the ColdFire V2 standard: VDD/VSS pairs on multiple pins for core and I/O supplies, dedicated pins for Ethernet MII/RMII (ECOL, ECRS, ETXD, ERXD), USB DP/DM, CANTX/CANRX, JTAG (TDI/TDO/TCK/TMS), plus general-purpose I/O multiplexing. The full pin-by-pin assignment is documented in the NXP MCF52259 family datasheet, where pin 1 is located at the top-left dot marker of the LQFP-144.
Does the MCF52258CAG66 support Ethernet?
Yes, the MCF52258CAG66 integrates a 10/100 Mbps Ethernet MAC supporting both MII and RMII interfaces. According to the ColdFire V2 family documentation, the MAC pairs with an external PHY such as the DP83848 or LAN8720A to deliver full TCP/IP connectivity. An on-chip FIFO and dedicated DMA channels offload packet handling from the CPU, enabling wire-speed bridging for industrial gateway applications.
Does the MCF52258CAG66 have hardware encryption?
The MCF52258CAG66 includes a hardware encryption accelerator block supporting AES (128/192/256-bit), DES and 3DES, plus MD5 and SHA-1 hash acceleration. This block offloads cryptographic operations from the ColdFire V2 CPU, enabling secure TLS handshakes at industrial network edge without bogging down the main loop. Detailed algorithm performance figures are documented in the NXP MCF52259 family datasheet.
Is the MCF52258CAG66 RoHS compliant?
Yes, the MCF52258CAG66 is RoHS compliant per NXP product documentation. It uses lead-free 144-LQFP packaging compliant with current environmental directives. For REACH and halogen-free status, confirm with your distributor or check the NXP material declaration sheet at the time of order.

Справочные инженерные данные для MCF52258CAG66 — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the MCF52258CAG66 when you need the deepest code footprint in the ColdFire V2 family together with full Ethernet + USB OTG + CAN peripheral integration, and your board can host the 144-LQFP 20x20 mm footprint. For designs where 256 KB Flash suffices, drop down to the MCF52256CAG66 to reduce cost. For higher CPU throughput, the MCF52259CAG80 or MCF52258AG80 deliver 80 MHz with the same Flash size and pinout. For new designs outside existing ColdFire ecosystems, NXP recommends migrating to Kinetis or i.MX RT crossover families; this part remains in production support only for legacy platforms.

Сравнение с аналогами

Параметр Этот товар MCF52256CAG66 MCF52259CAG66 MCF52259CAG80 MCF52258CAG66R MCF52258AG80 MCF5212CAE66R
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Package 144-LQFP (20x20 mm) 144-LQFP (20x20 mm) - same 144-LQFP (20x20 mm) - same 144-LQFP (20x20 mm) - same 144-LQFP (20x20 mm) - same 144-LQFP (20x20 mm) - same 144-LQFP (20x20 mm) - same
Core / Frequency ColdFire V2, 66 MHz ColdFire V2, 66 MHz ColdFire V2, 66 MHz ColdFire V2, 80 MHz ColdFire V2, 66 MHz ColdFire V2, 80 MHz ColdFire V2, 66 MHz
Ethernet MAC 10/100 MAC (MII/RMII) 10/100 MAC 10/100 MAC 10/100 MAC 10/100 MAC 10/100 MAC 10/100 MAC
USB 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 USB 2.0 FS OTG USB 2.0 FS OTG
Lifecycle Status NRND NRND NRND NRND NRND NRND NRND
RoHS Compliant Compliant Compliant Compliant Compliant Compliant Compliant

Ключевые отличия

  • Highest Flash density in 66 MHz MCF5225x family (против MCF52256CAG66)
  • Integrated hardware AES/DES/SHA crypto accelerator (против MCF52211CAF80)
  • Triple-protocol connectivity (Ethernet + USB OTG + CAN) (против MCF5212CAE66R)

Заметки по проектированию

The MCF52258CAG66 integrates an on-chip voltage regulator requiring only a single external 3.3V supply; the internal core rail is generated on-die. Decouple the VDD/VSS pairs with a 100 nF ceramic capacitor as close to each pin cluster as possible, with a bulk 10 uF tantalum near the package. USB VDDA (pin 27) needs its own filtered ferrite bead-isolated supply and a 1 uF + 100 nF pair; sharing USB analog with digital VDD introduces jitter and degrades USB signal integrity.

At 66 MHz full activity with peripherals enabled, the ColdFire V2 core draws approximately 80 mA from the 1.5V internal rail, plus I/O current up to 30 mA on 3.3V. Total package dissipation stays well below 1 W in normal operation; the 144-LQFP has ample copper area to stay within 100 C/W theta_JA on standard 4-layer FR4. Ensure the PCB thermal pad layout includes a 0.5 oz copper pour under the package body to spread heat evenly.

Route Ethernet MII/RMII traces as matched-length differential pairs within 50 mil tolerance to the external PHY. Keep USB DP/DM as 90 ohm differential with no splits, and route the crystal traces (XTAL/EXTAL) within 10 mm of the MCU with a ground guard ring. Place the external bus address/data lines on adjacent layers with continuous ground reference to avoid crosstalk on the parallel bus at high speeds.

Do not leave the TRST pin floating; either tie it low through a 10 kohm resistor for normal operation, or drive it from the BDM debugger. Incorrect TRST handling is the most common BDM debug failure mode on ColdFire designs. Also verify the boot mode configuration pins (BMODx) at reset to ensure correct flash boot versus external ROM boot - misconfiguring these latches prevents firmware from starting.

Информация о соответствии

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Без свинца
Yes
Без галогенов
Yes
Конфликтные минералы
Compliant

RoHS compliant per NXP product documentation. NRND (Not Recommended for New Designs) lifecycle status; not AEC-Q100 qualified - intended for industrial/commercial embedded use.

Данные проверены: 2026-10-19 — данные проверены и курируются командой компонентной инженерии XAIPART

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