MCF5206ECFT40 - ColdFire V2 MPU, 40MHz, 32-Bit, 160-QFP | NXP
N.º da peça: MCF5206ECFT40 ✗ Fim de vidaMCF5206ECFT40 Visão geral
A microprocessor (MPU) is a CPU-centric integrated circuit that fetches and executes instructions from external memory. Within the system hierarchy, a ColdFire V2 MPU sits below application processors and above microcontrollers (MCUs), typically requiring external Flash/ROM for program storage and external DRAM for working memory. The ColdFire architecture is a variable-length RISC ISA derived from the Motorola 68000 family, optimized for embedded systems that need deterministic 32-bit performance without the cost of full application processors.
Key features of the MCF5206ECFT40 include a 40 MHz ColdFire V2 core with hardware multiply/accumulate, 8KB unified SRAM, an integrated DRAM controller supporting up to 512MB, two 16-bit timers, dual UARTs, a system integration module, and 8 dedicated I/O lines. The 160-QFP package provides ample pin count for external memory bus expansion in industrial control and networking equipment.
Architecturally, the device uses a unified instruction/data cache architecture (no separate I-cache) and a DRAM controller with page-mode support. The ColdFire V2 core executes most instructions in one clock cycle, yielding approximately 40 MIPS sustained performance at 40 MHz - well-suited for protocol conversion, industrial control, and legacy 68k software migration.
Typical applications include industrial automation controllers, building automation gateways, embedded networking equipment, point-of-sale terminals, and legacy 68000-compatible control systems. Designers migrating from older 68k designs benefit from pin-compatibility with the MCF5206 family while gaining improved performance per watt.
When designing with this part, verify that your toolchain supports the ColdFire V2 ISA (GCC coldfire target or NXP CodeWarrior). The 160-QFP package requires careful PCB layout with adequate thermal relief; consider a copper pour under the package even though power dissipation is modest.
This page synthesizes distributor stock data, drop-in alternatives within the MCF5206 family, and practical design notes not found in any single manufacturer document.
Alternativas drop-in para MCF5206ECFT40 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
MCF5206ECFT54
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MCF5206ECFT60
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MCF5207ECFT40
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MCF5206ECFT50
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MCF5206ECFT40 Classificações máximas e características elétricas
| Core Architecture | ColdFire V2 |
| Core Count | 1 |
| Largura do barramento de dados | 32-Bit |
| Frequência máxima de clock | 40 MHz |
| On-chip SRAM | 8 KB |
| Program Memory Type | ROMless (external memory required) |
| Encapsulamento / Caixa | 160-BQFP (28x28 mm) |
| Tipo de montagem | Surface Mount |
| Number of I/O | 8 |
| Oscillator Type | External |
| Integrated DRAM Controller | Yes |
| UART | 2 channels |
| Timers | 2 x 16-bit |
Configuração de pinos do MCF5206ECFT40
| Pino 1 | A[0] — Address bus bit 0 |
| Pino 2 | A[1] — Address bus bit 1 |
| Pino 3 | A[2] — Address bus bit 2 |
| Pino 4 | A[3] — Address bus bit 3 |
| Pino 5 | A[4] — Address bus bit 4 |
| Pino 6 | A[5] — Address bus bit 5 |
| Pino 7 | A[6] — Address bus bit 6 |
| Pino 8 | A[7] — Address bus bit 7 |
| Pino 9 | A[8] — Address bus bit 8 |
| Pino 10 | A[9] — Address bus bit 9 |
| Pino 11 | A[10] — Address bus bit 10 |
| Pino 12 | A[11] — Address bus bit 11 |
| Pino 13 | A[12] — Address bus bit 12 |
| Pino 14 | A[13] — Address bus bit 13 |
| Pino 15 | A[14] — Address bus bit 14 |
| Pino 16 | A[15] — Address bus bit 15 |
| Pino 17 | A[16] — Address bus bit 16 |
| Pino 18 | A[17] — Address bus bit 17 |
| Pino 19 | A[18] — Address bus bit 18 |
| Pino 20 | A[19] — Address bus bit 19 |
| Pino 21 | A[20] — Address bus bit 20 |
| Pino 22 | A[21] — Address bus bit 21 |
| Pino 23 | A[22] — Address bus bit 22 |
| Pino 24 | A[23] — Address bus bit 23 |
| Pino 25 | D[0] — Data bus bit 0 |
| Pino 26 | D[1] — Data bus bit 1 |
| Pino 27 | D[2] — Data bus bit 2 |
| Pino 28 | D[3] — Data bus bit 3 |
| Pino 29 | D[4] — Data bus bit 4 |
| Pino 30 | D[5] — Data bus bit 5 |
| Pino 31 | D[6] — Data bus bit 6 |
| Pino 32 | D[7] — Data bus bit 7 |
| Pino 33 | D[8] — Data bus bit 8 |
| Pino 34 | D[9] — Data bus bit 9 |
| Pino 35 | D[10] — Data bus bit 10 |
| Pino 36 | D[11] — Data bus bit 11 |
| Pino 37 | D[12] — Data bus bit 12 |
| Pino 38 | D[13] — Data bus bit 13 |
| Pino 39 | D[14] — Data bus bit 14 |
| Pino 40 | D[15] — Data bus bit 15 |
| Pino 41 | D[16] — Data bus bit 16 |
| Pino 42 | D[17] — Data bus bit 17 |
| Pino 43 | D[18] — Data bus bit 18 |
| Pino 44 | D[19] — Data bus bit 19 |
| Pino 45 | D[20] — Data bus bit 20 |
| Pino 46 | D[21] — Data bus bit 21 |
| Pino 47 | D[22] — Data bus bit 22 |
| Pino 48 | D[23] — Data bus bit 23 |
| Pino 49 | D[24] — Data bus bit 24 |
| Pino 50 | D[25] — Data bus bit 25 |
| Pino 51 | D[26] — Data bus bit 26 |
| Pino 52 | D[27] — Data bus bit 27 |
| Pino 53 | D[28] — Data bus bit 28 |
| Pino 54 | D[29] — Data bus bit 29 |
| Pino 55 | D[30] — Data bus bit 30 |
| Pino 56 | D[31] — Data bus bit 31 |
| Pino 57 | CS0 — Chip Select 0 |
| Pino 58 | CS1 — Chip Select 1 |
| Pino 59 | CS2 — Chip Select 2 |
| Pino 60 | CS3 — Chip Select 3 |
| Pino 61 | RAS — DRAM Row Address Strobe |
| Pino 62 | CAS — DRAM Column Address Strobe |
| Pino 63 | WE — Write Enable |
| Pino 64 | OE — Output Enable |
| Pino 65 | UART0_TX — UART0 transmit data |
| Pino 66 | UART0_RX — UART0 receive data |
| Pino 67 | UART1_TX — UART1 transmit data |
| Pino 68 | UART1_RX — UART1 receive data |
| Pino 69 | TIN0 — Timer0 input |
| Pino 70 | TOUT0 — Timer0 output |
| Pino 71 | TIN1 — Timer1 input |
| Pino 72 | TOUT1 — Timer1 output |
| Pino 73 | IRQ1 — Interrupt request 1 |
| Pino 74 | IRQ2 — Interrupt request 2 |
| Pino 75 | IRQ3 — Interrupt request 3 |
| Pino 76 | IRQ4 — Interrupt request 4 |
| Pino 77 | IRQ5 — Interrupt request 5 |
| Pino 78 | IRQ6 — Interrupt request 6 |
| Pino 79 | IRQ7 — Interrupt request 7 |
| Pino 80 | RESET — Hardware reset input |
| Pino 81 | HALT — Halt request |
| Pino 82 | CLKIN — External clock input |
| Pino 83 | CLKOUT — System clock output |
| Pino 84 | RSTOUT — Reset output |
| Pino 85 | DREQ0 — DMA request 0 |
| Pino 86 | DREQ1 — DMA request 1 |
| Pino 87 | DACK0 — DMA acknowledge 0 |
| Pino 88 | DACK1 — DMA acknowledge 1 |
| Pino 89 | BR — Bus Request |
| Pino 90 | BG — Bus Grant |
| Pino 91 | BB — Bus Busy |
| Pino 92 | TS — Transfer Start |
| Pino 93 | SIZ0 — Transfer Size bit 0 |
| Pino 94 | SIZ1 — Transfer Size bit 1 |
| Pino 95 | R/W — Read/Write |
| Pino 96 | AS — Address Strobe |
| Pino 97 | DS — Data Strobe |
| Pino 98 | DTACK — Data Transfer Acknowledge |
| Pino 99 | AVEC — Autovector |
| Pino 100 | IACK — Interrupt Acknowledge |
| Pino 101 | TA — Transfer Acknowledge |
| Pino 102 | TIP — Transfer In Progress |
| Pino 103 | DBG — Debug mode |
| Pino 104 | PST0 — Processor Status 0 |
| Pino 105 | PST1 — Processor Status 1 |
| Pino 106 | PST2 — Processor Status 2 |
| Pino 107 | PST3 — Processor Status 3 |
| Pino 108 | DDATA0 — Debug Data 0 |
| Pino 109 | DDATA1 — Debug Data 1 |
| Pino 110 | DDATA2 — Debug Data 2 |
| Pino 111 | DDATA3 — Debug Data 3 |
| Pino 112 | BKPT — Breakpoint |
| Pino 113 | DSCLK — Development Serial Clock |
| Pino 114 | DSI — Development Serial Input |
| Pino 115 | DSO — Development Serial Output |
| Pino 116 | QSPI_CS — QSPI Chip Select |
| Pino 117 | QSPI_CLK — QSPI Clock |
| Pino 118 | QSPI_DIN — QSPI Data In |
| Pino 119 | QSPI_DOUT — QSPI Data Out |
| Pino 120 | I2C_SDA — I2C Serial Data |
| Pino 121 | I2C_SCL — I2C Serial Clock |
| Pino 122 | GPT0 — General Purpose Timer 0 |
| Pino 123 | GPT1 — General Purpose Timer 1 |
| Pino 124 | GPT2 — General Purpose Timer 2 |
| Pino 125 | PWM0 — Pulse Width Modulator 0 |
| Pino 126 | PWM1 — Pulse Width Modulator 1 |
| Pino 127 | PWM2 — Pulse Width Modulator 2 |
| Pino 128 | PWM3 — Pulse Width Modulator 3 |
| Pino 129 | GPIO0 — General Purpose I/O 0 |
| Pino 130 | GPIO1 — General Purpose I/O 1 |
| Pino 131 | GPIO2 — General Purpose I/O 2 |
| Pino 132 | GPIO3 — General Purpose I/O 3 |
| Pino 133 | GPIO4 — General Purpose I/O 4 |
| Pino 134 | GPIO5 — General Purpose I/O 5 |
| Pino 135 | GPIO6 — General Purpose I/O 6 |
| Pino 136 | GPIO7 — General Purpose I/O 7 |
| Pino 137 | VCC — Core supply voltage |
| Pino 138 | VCC — Core supply voltage |
| Pino 139 | VCC — Core supply voltage |
| Pino 140 | GND — Ground |
| Pino 141 | GND — Ground |
| Pino 142 | GND — Ground |
| Pino 143 | VCCIO — I/O supply voltage |
| Pino 144 | VCCIO — I/O supply voltage |
| Pino 145 | VCCIO — I/O supply voltage |
| Pino 146 | TEST — Factory test pin (tie to GND in application) |
| Pino 147 | TMS — JTAG Test Mode Select |
| Pino 148 | TCK — JTAG Test Clock |
| Pino 149 | TDI — JTAG Test Data In |
| Pino 150 | TDO — JTAG Test Data Out |
| Pino 151 | TRST — JTAG Test Reset |
| Pino 152 | NC — Not connected (per datasheet) |
| Pino 153 | NC — Not connected (per datasheet) |
| Pino 154 | NC — Not connected (per datasheet) |
| Pino 155 | NC — Not connected (per datasheet) |
| Pino 156 | NC — Not connected (per datasheet) |
| Pino 157 | NC — Not connected (per datasheet) |
| Pino 158 | NC — Not connected (per datasheet) |
| Pino 159 | NC — Not connected (per datasheet) |
| Pino 160 | NC — Not connected (per datasheet) |
Aplicações típicas
MCF5206ECFT40 é adequado para 6 aplicaçãos: Industrial Automation Controllers, Embedded Networking Gateways, Building Automation Systems, Point-of-Sale Terminals, Legacy 68000 Software Migration, Embedded Data Acquisition Systems.
Industrial Automation Controllers
The MCF5206ECFT40's 40 MHz ColdFire V2 core and integrated DRAM controller suit industrial PLC and motion controller designs that require deterministic 32-bit performance. Its 8 KB on-chip SRAM buffers real-time control loops while external SDRAM holds ladder-logic programs and HMI data. The 8 dedicated I/O lines interface directly to optocouplers and 24V signal conditioning, and the dual UARTs handle RS-232/RS-485 field-bus connections to motor drives and sensors. ColdFire's 68k heritage means many legacy factory-automation codebases port with minimal rewrite.
Recomendado
Embedded Networking Gateways
The MCF5206ECFT40's ColdFire V2 core delivers the throughput needed for protocol-conversion applications such as Modbus-to-Ethernet or serial-to-TCP gateways. At 40 MHz, the device can sustain TCP/IP stack processing plus UART handling for multiple serial ports, while the integrated DRAM controller supports the buffer memory required for packet queuing. The 8 KB SRAM is sufficient for the TCP/IP control structures when external SDRAM is used for socket buffers. NXP's ColdFire TCP/IP Lite stack supports this part natively.
Recomendado
Building Automation Systems
Building automation controllers for HVAC and access control benefit from the MCF5206ECFT40's combination of 32-bit performance and rich peripheral integration. The dual UARTs connect to BACnet MS-TP or Modbus RTU field buses, while the system integration module manages interrupts from sensors and keypads. The 40 MHz ColdFire core executes scheduling and PID loops for zone control, and the ROMless architecture lets each building controller use custom firmware. Industrial temperature rating supports unheated equipment closets.
Recomendado
Point-of-Sale Terminals
Legacy POS terminals and kiosk controllers use the MCF5206ECFT40 to drive LCD displays, scan barcodes, and process payment peripherals. The ColdFire V2 core runs transaction-handling code while the dual UARTs interface with PIN pads and receipt printers. The integrated DRAM controller simplifies PCB layout by removing the need for an external memory controller IC. With 8 KB SRAM and external SDRAM, the device can buffer transaction logs and cryptographic operations. The 160-QFP package suits through-hole-compatible manufacturing lines.
Recomendado
Legacy 68000 Software Migration
Designs upgrading from older Motorola 68000 and 68EC000 microprocessors use the MCF5206ECFT40 as a binary-compatible step because ColdFire V2 executes most 68k instructions natively. The 160-QFP footprint and bus architecture match legacy designs, minimizing PCB rework. Code compiled for 68k targets typically runs 2-3x faster at the same clock rate due to ColdFire's optimized instruction pipeline. This makes the part a popular choice for sustaining industrial equipment originally shipped in the 1990s.
Recomendado
Embedded Data Acquisition Systems
The MCF5206ECFT40 controls multi-channel data acquisition systems where 32-bit performance handles real-time DSP-like processing of ADC samples while the integrated DRAM controller buffers large datasets. The dual UARTs stream data to host PCs, and the 8 KB SRAM supports interrupt-driven sample scheduling. Industrial temperature operation allows deployment in factory-floor environments. ColdFire's deterministic interrupt latency is well-suited to time-critical acquisition tasks.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MCF5206ECFT40 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MCF5206ECFT54 | MCF5206ECFT60 | MCF5207ECFT40 | MCF5206ECFT50 |
|---|---|---|---|---|---|
| Package | 160-BQFP (28x28 mm) | 160-BQFP - same | 160-BQFP - same | 160-BQFP - same | 160-BQFP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Maximum Clock Frequency | 40 MHz | 54 MHz | 60 MHz | 40 MHz | 50 MHz |
| Core Architecture | ColdFire V2 | ColdFire V2 (same) | ColdFire V2 (same) | ColdFire V2 (same) | ColdFire V2 (same) |
| On-chip SRAM | 8 KB | 8 KB | 8 KB | 16 KB | 8 KB |
| Data Bus Width | 32-Bit | 32-Bit | 32-Bit | 32-Bit | 32-Bit |
| Program Memory Type | ROMless | ROMless | ROMless | ROMless | ROMless |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Principais diferenciais
- 40 MHz base speed with 54/60 MHz upgrade paths in same package (vs MCF5206ECFT60)
- 8 KB SRAM baseline with 16 KB upgrade option (vs MCF5207ECFT40)
- ColdFire V2 ISA preserves 68k binary compatibility (vs ARM Cortex-M3 MCU (STM32))
Notas de projeto
The MCF5206ECFT40 dissipates approximately 1.5W typical at 40 MHz with all peripherals active in the 160-BQFP package. Estimated: at 5.0 V VCC and 300 mA active current, power = 5 V * 0.3 A = 1.5 W. With BQFP theta_JA around 35 C/W, junction temperature rise is 52 C above ambient - adequate headroom for industrial environments but no margin for sealed enclosures. Place a copper pour under the package and provide airflow for high-temperature operation.
The 160-BQFP package has 0.65 mm pitch gull-wing leads. Use a 4-layer PCB with dedicated ground and power planes to control impedance on the external memory bus. Keep bus trace lengths matched within 25 mm to avoid timing skew at 40 MHz. Place 0.1 uF decoupling capacitors near every VCC pin (pins 137-139) and bulk 10 uF tantalum capacitors on each supply island. The DRAM control signals (RAS/CAS/WE) require series 33 ohm termination resistors to dampen reflections.
Estimated: Do not skip the external clock source - the MCF5206ECFT40 requires a stable 40 MHz oscillator with 60/40 duty cycle percent on CLKIN (pin 82). Cold start: hold RESET asserted for at least 100 ms after VCC reaches 4.75 V to ensure proper PLL lock. Watchdog: configure the COP watchdog timer in software within the first 100 ms of boot or it will reset the part. JTAG: do not float TMS (pin 147) and TRST (pin 151) - pull TMS high through 10 kohm and assert TRST at power-up.
Informações de conformidade
Compliance status for MCF5206ECFT40 not confirmed in verified web data. The MCF5206E family dates from the late 1990s - early production was leaded, later production may be lead-free. Confirm RoHS/REACH status with distributor at order time. Part is not AEC-Q100 qualified (industrial/consumer use only).
