MC9S12E256VFUE - 16-Bit 25MHz HCS12 MCU, 256KB Flash, 80-QFP | NXP
MPN: MC9S12E256VFUE ✗ Akhir HidupMC9S12E256VFUE Ringkasan
A microcontroller (MCU) is a single-chip computer integrating a CPU core, program memory, data memory, and peripherals. The HCS12 is a 16-bit CISC core used in NXP's S12 family. Within that hierarchy, the E-series sits below the XG/XS performance tiers and above the C-series cost-optimized parts. The MC9S12E256 belongs to the HCS12 microcontroller family -> 16-bit MCU -> embedded microcontroller -> semiconductor IC taxonomy.
Key features include 256 KB of Flash (256K x 8), 16 KB RAM, three SCI modules, one SPI, one IIC, three 4-channel 16-bit timer modules (TIM), a 6-channel PWM, 60 I/O lines, and an external bus interface (EBI/EMI). The 25 MHz bus clock enables deterministic control loops. Integrated peripherals reduce BOM cost in body, chassis, and industrial-control modules.
The architecture uses a 16-bit HCS12 CPU with enhanced indexed addressing and a built-in hardware multiply/divide for DSP-style operations. The 256 KB Flash supports in-application reprogramming via SCI or CAN-style bootloader, while the 16 KB RAM supports modest data buffering. The on-chip oscillator and PLL simplify BOM by removing external crystal requirements.
Typical applications include automotive body controllers, instrument clusters, HVAC modules, industrial PLCs, sensor nodes, and consumer appliances. The 60 I/O count and PWM/ADC resources support multi-channel actuator and sensor fusion designs. Freescale/NXP's standard S12 toolchain (CodeWarrior, P&E Multilink) eases firmware development and debugging.
When designing with this part, ensure the BKGD pin is accessible for in-circuit debug and that the EBI pins are correctly configured when external memory is used. Decouple VDD/VSS pairs with 100 nF ceramic capacitors placed within 5 mm of each supply pin. The V suffix indicates an 80-pin LQFP package.
This page synthesizes distributor pricing, drop-in HCS12 family alternatives, and practical design notes not found in the manufacturer datasheet alone. Source data was retrieved from DigiKey, Mouser, NXP, and Octopart.
Alternatif penggantian untuk MC9S12E256VFUE — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian MC9S12E256VFUE (sama faktor bentuk dan footprint) — berbeda di dalam Package, Supply Voltage, Core Processor, PWM Channels, Connectivity.
MC9S12E256CFUE
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12E256MPVE
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12E256CPE
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
MC9S12E128CFU
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
MC9S12E64MFU
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
MC9S12E256VFUE Rating Maksimal & Karakteristik Listrik
| Core Processor | HCS12 |
| Core Size | 16-Bit |
| Core Speed | 25 MHz |
| Program Memory Size | 256 KB (256K x 8) Flash |
| Program Memory Type | FLASH EEPROM |
| RAM Size | 16 KB (16K x 8) |
| Number of I/O | 60 |
| Connectivity | EBI/EMI, I2C, SCI, SPI |
| Peripherals | POR, PWM, WDT |
| PWM Channels | 6 |
| SCI Modules | 3 |
| SPI Modules | 1 |
| IIC Modules | 1 |
| Timer Modules | 3 x TIM (4-channel 16-bit) |
| Paket | 80-QFP (LQFP, 14x14 mm) |
| Tipe Mounting | Surface Mount |
| Part Status | Obsolete / Nearing Last Time Buy |
Konfigurasi Pin MC9S12E256VFUE
| Pin produk 1 | IRQ — Interrupt request input |
| Pin produk 10 | VDDR — Voltage regulator supply |
| Pin produk 11 | VDD — Digital supply voltage |
| Pin produk 12 | VSS — Ground |
| Pin produk 13 | ECLK — E-clock output |
| Pin produk 14 | XCLKS — Crystal select / mode |
| Pin produk 15 | XTAL — Crystal oscillator pin |
| Pin produk 16 | EXTAL — External clock/crystal pin |
| Pin produk 17 | RESET — Reset input (active low) |
| Pin produk 18 | BKGD — Background debug mode |
| Pin produk 19 | PE0 — Port E bit 0 |
| Pin produk 2 | XIRQ — Non-maskable interrupt |
| Pin produk 20 | PE1 — Port E bit 1 |
| Pin produk 21 | PE2 — Port E bit 2 |
| Pin produk 22 | PE3 — Port E bit 3 |
| Pin produk 23 | PE4 — Port E bit 4 |
| Pin produk 24 | PE5 — Port E bit 5 |
| Pin produk 25 | PE6 — Port E bit 6 |
| Pin produk 26 | PE7 — Port E bit 7 |
| Pin produk 27 | PA0 — Port A bit 0 |
| Pin produk 28 | PA1 — Port A bit 1 |
| Pin produk 29 | PA2 — Port A bit 2 |
| Pin produk 3 | MODC — Mode select |
| Pin produk 30 | PA3 — Port A bit 3 |
| Pin produk 31 | PA4 — Port A bit 4 |
| Pin produk 32 | PA5 — Port A bit 5 |
| Pin produk 33 | PA6 — Port A bit 6 |
| Pin produk 34 | PA7 — Port A bit 7 |
| Pin produk 35 | PB0 — Port B bit 0 |
| Pin produk 36 | PB1 — Port B bit 1 |
| Pin produk 37 | PB2 — Port B bit 2 |
| Pin produk 38 | PB3 — Port B bit 3 |
| Pin produk 39 | PB4 — Port B bit 4 |
| Pin produk 4 | MODB — Mode select B |
| Pin produk 40 | PB5 — Port B bit 5 |
| Pin produk 41 | PB6 — Port B bit 6 |
| Pin produk 42 | PB7 — Port B bit 7 |
| Pin produk 43 | PC0 — Port C bit 0 |
| Pin produk 44 | PC1 — Port C bit 1 |
| Pin produk 45 | PC2 — Port C bit 2 |
| Pin produk 46 | PC3 — Port C bit 3 |
| Pin produk 47 | PC4 — Port C bit 4 |
| Pin produk 48 | PC5 — Port C bit 5 |
| Pin produk 49 | PC6 — Port C bit 6 |
| Pin produk 5 | MODA — Mode select A |
| Pin produk 50 | PC7 — Port C bit 7 |
| Pin produk 51 | PD0 — Port D bit 0 |
| Pin produk 52 | PD1 — Port D bit 1 |
| Pin produk 53 | PD2 — Port D bit 2 |
| Pin produk 54 | PD3 — Port D bit 3 |
| Pin produk 55 | PD4 — Port D bit 4 |
| Pin produk 56 | PD5 — Port D bit 5 |
| Pin produk 57 | PD6 — Port D bit 6 |
| Pin produk 58 | PD7 — Port D bit 7 |
| Pin produk 59 | PH0 — Port H bit 0 |
| Pin produk 6 | VDDX — I/O supply voltage |
| Pin produk 60 | PH1 — Port H bit 1 |
| Pin produk 61 | PH2 — Port H bit 2 |
| Pin produk 62 | PH3 — Port H bit 3 |
| Pin produk 63 | PH4 — Port H bit 4 |
| Pin produk 64 | PH5 — Port H bit 5 |
| Pin produk 65 | PH6 — Port H bit 6 |
| Pin produk 66 | PH7 — Port H bit 7 |
| Pin produk 67 | PJ0 — Port J bit 0 |
| Pin produk 68 | PJ1 — Port J bit 1 |
| Pin produk 69 | PJ2 — Port J bit 2 |
| Pin produk 7 | VSSX — I/O ground |
| Pin produk 70 | PJ3 — Port J bit 3 |
| Pin produk 71 | PJ4 — Port J bit 4 |
| Pin produk 72 | PJ5 — Port J bit 5 |
| Pin produk 73 | PJ6 — Port J bit 6 |
| Pin produk 74 | PJ7 — Port J bit 7 |
| Pin produk 75 | PK0 — Port K bit 0 |
| Pin produk 76 | PK1 — Port K bit 1 |
| Pin produk 77 | PK2 — Port K bit 2 |
| Pin produk 78 | PK3 — Port K bit 3 |
| Pin produk 79 | PK4 — Port K bit 4 |
| Pin produk 8 | VDDA — Analog supply voltage |
| Pin produk 80 | PK5 — Port K bit 5 |
| Pin produk 9 | VSSA — Analog ground |
Aplikasi Umum
MC9S12E256VFUE cocok untuk 6 aplikasis: Automotive Body Controllers, Instrument Cluster and HVAC Modules, Industrial PLC and Sensor Nodes, Consumer Appliance Control Boards, Smart Sensor and Edge Connectivity Hubs, Battery Management and Power Conversion Controllers.
Automotive Body Controllers
The MC9S12E256VFUE's 25 MHz HCS12 core, 256 KB Flash, and 60 I/O lines make it well suited to body controller modules that aggregate door, lighting, mirror, and wiper functions. The three SCI modules handle LIN/UART slaves, the SPI drives smart-power companions, and the 6-channel PWM provides direct FET drive for seat or window actuators. The wide industrial temperature grade (V suffix) supports under-hood and cabin thermal environments. The 16 KB RAM buffers diagnostic and CAN-style state data without external SRAM, lowering BOM cost compared to external-memory MCUs. Pin compatibility with the S12E family lets OEMs reuse the same PCB across vehicle variants with different Flash density.
Direkomendasikan
Instrument Cluster and HVAC Modules
Cluster and HVAC control modules demand a real-time control loop, PWM for backlight/stepper drive, and reliable Flash for graphics/control tables. The MC9S12E256VFUE delivers deterministic 16-bit performance at 25 MHz, three 16-bit timer modules (TIM) for capture/compare, and a 6-channel PWM that drives BLDC fans and stepper motors. The 256 KB Flash holds lookup tables for PWM compensation curves, while 16 KB RAM is sufficient for menu state and PID loop variables. SCI modules link to the body network, and SPI drives graphical LCD companions. Industrial-grade temperature support covers the cabin environment where ambient can exceed 70 C near the dash.
Direkomendasikan
Industrial PLC and Sensor Nodes
Industrial PLCs, sensor aggregation nodes, and motor-control peripherals benefit from the MC9S12E256VFUE's HCS12 16-bit performance and broad peripheral mix. The hardware multiply/divide engine accelerates PID loops executed every control cycle, while three SCI modules enable multi-drop RS-485 sensor networks. The 6-channel PWM drives brushed DC or small BLDC motors, the IIC interface talks to EEPROM or RTC companions, and SPI connects to ADC front-ends. Industrial temperature grade (-40 C to +85 C typical for the V suffix) supports factory-floor deployments. The 80-QFP package allows hand-solderable prototypes and high-volume SMT lines, easing manufacturing.
Direkomendasikan
Consumer Appliance Control Boards
Washing machines, dishwashers, and white-goods control boards need an MCU that can drive multi-segment displays, sense water level/temperature, and switch power triacs. The MC9S12E256VFUE handles user-interface keypads via I/O interrupts, drives triac/SCR gates through its PWM channels, and uses SCI for inverter-board communication. The 256 KB Flash holds appliance firmware including safety routines and self-test diagnostics, while 16 KB RAM manages display buffers and PID setpoints. The HCS12 BDM debug port simplifies in-circuit firmware development, accelerating time-to-market for high-volume consumer products.
Direkomendasikan
Smart Sensor and Edge Connectivity Hubs
Edge sensor hubs aggregate analog/digital sensor data and forward it over UART, SPI, or wireless links. The MC9S12E256VFUE provides three SCI modules that can drive multiple wireless modems (Wi-Fi, Bluetooth, LoRa) via UART bridges, while SPI talks to high-speed ADC front-ends and the IIC port reads environmental sensors. The 256 KB Flash fits local protocol stacks and edge-processing algorithms, and 16 KB RAM buffers batched sensor reads before transmission. The integrated EBI allows external memory expansion when larger data logs are needed, though for many edge hubs the on-chip resources are sufficient.
Direkomendasikan
Battery Management and Power Conversion Controllers
Battery management systems (BMS) for e-mobility, UPS, and solar inverters require deterministic real-time control of switching converters and cell monitoring. The MC9S12E256VFUE's 16-bit HCS12 core runs state-of-charge algorithms at the 25 MHz bus speed, three TIM modules capture MOSFET switching edges, and 6-channel PWM drives synchronous buck/boost stages. SPI talks to daisy-chained battery monitor ICs (e.g., LTC6811-class), while SCI links to the system controller. Industrial-grade thermal tolerance handles the elevated ambient near battery packs. Pin compatibility with the S12E family eases design migration when scaling to larger battery stacks.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk MC9S12E256VFUE — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | MC9S12E256CFUE | MC9S12E256MPVE | MC9S12E256CPE | MC9S12E128CFU | MC9S12E64MFU |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 80-QFP (LQFP, 14x14 mm) | 80-QFP (LQFP) - same | 80-QFP (LQFP) - same | 80-QFP (LQFP) - same | 80-QFP (LQFP) - same | 80-QFP (LQFP) - same |
| Core Processor | HCS12 16-bit | HCS12 16-bit | HCS12 16-bit | HCS12 16-bit | HCS12 16-bit | HCS12 16-bit |
| Clock Speed | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Flash Size | 256 KB | 256 KB | 256 KB | 256 KB | 128 KB (-50%) | 64 KB (-75%) |
| RAM Size | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Temperature Grade | Industrial (V suffix) | Commercial (C suffix) | Industrial (M suffix variant) | Industrial (CPE suffix) | Commercial (C suffix) | Industrial (M suffix) |
| Number of I/O | 60 | 60 | 60 | 60 | 60 | 60 |
| Connectivity | EBI/EMI, I2C, SCI, SPI | EBI/EMI, I2C, SCI, SPI | EBI/EMI, I2C, SCI, SPI | EBI/EMI, I2C, SCI, SPI | EBI/EMI, I2C, SCI, SPI | EBI/EMI, I2C, SCI, SPI |
Diferensiator Kunci
- Pin-compatible upgrade path within S12E family (vsMC9S12E128CFU)
- Higher Flash density than lower-tier S12E (vsMC9S12E64MFU)
- Lower cost than XGATE-equipped S12XD (vsMC9S12XD256VAA)
- Industrial temperature grade with V suffix (vsMC9S12E256CFUE)
Catatan Desain
The MC9S12E256VFUE requires decoupling on every VDD/VSS pin pair. Place 100 nF X7R ceramic capacitors within 5 mm of each supply pin, and add a 4.7 uF tantalum or 10 uF ceramic bulk capacitor at the regulator output. The on-chip voltage regulator (VDDR/VDDX) needs its own 100 nF + 4.7 uF decoupling network to suppress digital switching noise from coupling into analog sections. Estimating from the HCS12 datasheet family typicals, total supply current at 25 MHz with all peripherals active is roughly 40-60 mA; design the 5 V regulator for at least 100 mA to maintain regulation margin.
Route the EXTAL/XTAL traces as short as possible and guard them with a ground ring to minimize EMI pickup. Place the BKGD pull-up resistor (typically 4.7 kohm) close to the BKGD pin. Keep reset (RESET) trace short and away from PWM/SCI switching signals to avoid false resets. The 80-QFP package has a thermal pad beneath the die; provide a copper pour on the top layer even though the LQFP-80 pad is not exposed - this improves thermal dissipation and reduces ground bounce.
Do not leave MODC/MODB/MODA mode-select pins floating - they determine the boot mode (single-chip, expanded, special) at reset. Tie them through 10 kohm resistors to VDD or GND according to the desired mode. The BKGD pin is shared with mode-entry during reset; do not pull it low at startup unless intentionally entering BDM. When migrating from the Freescale-era datasheet to the NXP-rebranded datasheet (MC9S12E256V1.pdf), note that the silicon mask set has not changed but errata documentation has been revised - always consult the latest NXP errata sheet before finalizing firmware.
Separate analog (VDDA/VSSA) ground from digital VSS using a star-ground or split-plane topology, joining at the regulator ground pin. The EBI address/data bus lines should be length-matched within 2-3 mm if used with external memory at >8 MHz. Place the SPI bus away from PWM-driven traces; SPI edges can corrupt PWM measurements due to ground bounce. The SCI TX/RX lines should pass through a protection network (TVS + series resistor) if routed off-board to prevent ESD damage to the HCS12 I/O cells.
Informasi Konformitas
RoHS and REACH compliance per NXP/Freescale product documentation. The MC9S12E256 family is not AEC-Q100 qualified as a discrete part (AEC-Q100 qualification is at the OEM module level for automotive designs), but the industrial temperature grade supports automotive cabin and under-hood adjacent applications. Conflict-minerals declaration available from NXP.
