MC9S12H256VPVE - 16-bit 50MHz HCS12 MCU 256KB Flash LQFP-112 | NXP
MPN: MC9S12H256VPVE ✓ نشطMC9S12H256VPVE نظرة عامة
A microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory (Flash), and a rich set of peripherals such as timers, ADC, communication controllers and general-purpose I/O. The HCS12 microcontroller family sits in the broader taxonomy of microcontroller -> embedded controller -> semiconductor IC. HCS12 devices use a 16-bit data path, a programmable PLL for clock scaling, and on-chip Enhanced Capture Timer, PWM, SCI, SPI, IIC and CAN (msCAN) modules, allowing designers to consolidate what would otherwise require multiple discrete components onto a single die.
Key features of the MC9S12H256VPVE include 256 KB of third-generation Flash with security and EEPROM emulation capability, 12 KB of on-chip RAM, 4 KB of EEPROM, a 10-bit analog-to-digital converter, two msCAN (CAN 2.0A/B) modules for automotive networking, two SCI, two SPI and one IIC peripheral, an 8-channel 16-bit Enhanced Capture Timer, an 8-channel 8-bit or 4-channel 16-bit PWM module, and up to 91 general-purpose I/O pins. The PLL lets the system clock be derived from a low-frequency crystal to reduce EMI while still providing full 50 MHz bus speed on demand.
Technically, the HCS12 core uses a 16-bit ALU with a 20-bit address space (1 MB linear), instruction pipelining, and a Background Debug Mode (BDM) interface for non-intrusive in-circuit programming and debug. The integrated voltage regulator accepts 5 V input and generates the internal 2.5 V core supply, simplifying PCB power design. The MC9S12H256 family is qualified to AEC-Q100 specifications and supports STOP and PSEIP pseudofrozen low-power modes that are essential for body-control modules that must wake on CAN or wake-up pins.
Typical applications include automotive body control modules, instrument clusters, HVAC controllers, door modules, seat controllers, and industrial CAN nodes where cost, low EMI and a wide temperature range are required. The dual CAN interface is particularly important for in-vehicle networking where multiple sub-buses must be bridged. The same architecture is also found in agricultural equipment, building automation and solar inverter peripheral controllers.
When designing with this device, allocate sufficient PCB copper to the exposed thermal pad and route the oscillator traces with short, symmetric lengths. Be aware that the PLL configuration bits, Flash security bytes and the COP watchdog must be configured during initialization, and that the on-chip regulated 2.5 V cannot be loaded externally. Always consult the latest MC9S12H256 reference manual for the specific register map, interrupt vector layout and BDIV divider settings for your target bus frequency.
This page synthesizes NXP product-page data, distributor pricing and verified cross-references not collected in any single manufacturer document, providing a one-stop engineering and procurement reference.
بدائل مباشرة لـ MC9S12H256VPVE — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع MC9S12H256VPVE (نفس عامل الشكل والبصمة) — يختلف في Package, Core Processor, Operating Temperature, Mounting Type, Core Architecture.
MC9S12H256VFVE
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←S912XHY256F0MLM
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
S912XHY256F0CLM
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
MC9S12DP512CPVE
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←MC9S12XA256CAL
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←MC9S12XDP512MAG
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←MC9S12H256VPVE الحدود القصوى والخصائص الكهربائية
| Core | HCS12 (16-bit) |
| Maximum CPU Frequency | 50 MHz |
| Program Flash Memory | 256 KB (256K x 8) |
| On-chip RAM | 12 KB |
| On-chip EEPROM | 4 KB |
| Operating Voltage | 4.5 V to 5.5 V (regulated internally to 2.5 V core) |
| درجة حرارة التشغيل | -40 °C to +105 °C |
| العلبة | 112-LQFP (20 x 20 mm) |
| نوع التركيب | Surface Mount |
| CAN Modules (msCAN) | 2 x CAN 2.0A/B |
| SCI (UART) Modules | 2 |
| SPI Modules | 2 |
| IIC (I²C) Modules | 1 |
| A/D Converter | 10-bit, 8/16 channels |
| Enhanced Capture Timer | 16-bit, 8 channels |
| PWM Channels | 8 x 8-bit or 4 x 16-bit |
| General-Purpose I/O | Up to 91 pins |
| Debug Interface | Background Debug Mode (BDM) |
| Low-Power Modes | STOP, PSEIP pseudofrozen |
| حالة RoHS | Compliant |
تكوين أطراف MC9S12H256VPVE
| دبوس 1 | XCLKS — Oscillator mode select (PLL/PEE mode configuration) |
| دبوس 2 | BKGD — Background Debug Mode (BDM) data pin |
| دبوس 3 | RESET — External reset input (active low, open-drain) |
| دبوس 4 | TEST — Test mode pin (must be tied to VDD for normal operation) |
| دبوس 5 | VDDR — Voltage regulator power supply input (5 V) |
| دبوس 6 | VDD — External 5 V I/O supply |
| دبوس 7 | VSS — Digital ground |
| دبوس 8 | VDDPLL — PLL supply (filtered 2.5 V) |
| دبوس 9 | VSSPLL — PLL ground |
| دبوس 10 | EXTAL — Crystal driver output |
| دبوس 11 | XTAL — Crystal driver input |
| دبوس 12 | PAD0 — Port AD bit 0 (ADC channel 0 / GPIO) |
| دبوس 13 | PAD1 — Port AD bit 1 (ADC channel 1 / GPIO) |
| دبوس 14 | PAD2 — Port AD bit 2 (ADC channel 2 / GPIO) |
| دبوس 15 | PAD3 — Port AD bit 3 (ADC channel 3 / GPIO) |
| دبوس 16 | PAD4 — Port AD bit 4 (ADC channel 4 / GPIO) |
| دبوس 17 | PAD5 — Port AD bit 5 (ADC channel 5 / GPIO) |
| دبوس 18 | PAD6 — Port AD bit 6 (ADC channel 6 / GPIO) |
| دبوس 19 | PAD7 — Port AD bit 7 (ADC channel 7 / GPIO) |
| دبوس 20 | PAD8 — Port AD bit 8 (ADC channel 8 / GPIO) |
| دبوس 21 | PAD9 — Port AD bit 9 (ADC channel 9 / GPIO) |
| دبوس 22 | PAD10 — Port AD bit 10 (ADC channel 10 / GPIO) |
| دبوس 23 | PAD11 — Port AD bit 11 (ADC channel 11 / GPIO) |
| دبوس 24 | PAD12 — Port AD bit 12 (ADC channel 12 / GPIO) |
| دبوس 25 | PAD13 — Port AD bit 13 (ADC channel 13 / GPIO) |
| دبوس 26 | PAD14 — Port AD bit 14 (ADC channel 14 / GPIO) |
| دبوس 27 | PAD15 — Port AD bit 15 (ADC channel 15 / GPIO) |
| دبوس 28 | PTA0 — Port A bit 0 (GPIO / SCI0 Tx in some modes) |
| دبوس 29 | PTA1 — Port A bit 1 (GPIO / SCI0 Rx in some modes) |
| دبوس 30 | PTA2 — Port A bit 2 (GPIO / PWM channel) |
| دبوس 31 | PTA3 — Port A bit 3 (GPIO / PWM channel) |
| دبوس 32 | PTA4 — Port A bit 4 (GPIO / PWM channel) |
| دبوس 33 | PTA5 — Port A bit 5 (GPIO / PWM channel) |
| دبوس 34 | PTA6 — Port A bit 6 (GPIO / PWM channel) |
| دبوس 35 | PTA7 — Port A bit 7 (GPIO / PWM channel) |
| دبوس 36 | PTB0 — Port B bit 0 (GPIO) |
| دبوس 37 | PTB1 — Port B bit 1 (GPIO) |
| دبوس 38 | PTB2 — Port B bit 2 (GPIO) |
| دبوس 39 | PTB3 — Port B bit 3 (GPIO) |
| دبوس 40 | PTB4 — Port B bit 4 (GPIO) |
| دبوس 41 | PTB5 — Port B bit 5 (GPIO) |
| دبوس 42 | PTB6 — Port B bit 6 (GPIO) |
| دبوس 43 | PTB7 — Port B bit 7 (GPIO) |
| دبوس 44 | PTC0 — Port C bit 0 (GPIO / CAN0 Tx) |
| دبوس 45 | PTC1 — Port C bit 1 (GPIO / CAN0 Rx) |
| دبوس 46 | PTC2 — Port C bit 2 (GPIO / CAN1 Tx) |
| دبوس 47 | PTC3 — Port C bit 3 (GPIO / CAN1 Rx) |
| دبوس 48 | PTC4 — Port C bit 4 (GPIO / SPI0 SCLK) |
| دبوس 49 | PTC5 — Port C bit 5 (GPIO / SPI0 MOSI) |
| دبوس 50 | PTC6 — Port C bit 6 (GPIO / SPI0 MISO) |
| دبوس 51 | PTC7 — Port C bit 7 (GPIO / SPI0 SS) |
| دبوس 52 | PTD0 — Port D bit 0 (GPIO / SCI1 Tx) |
| دبوس 53 | PTD1 — Port D bit 1 (GPIO / SCI1 Rx) |
| دبوس 54 | PTD2 — Port D bit 2 (GPIO / SPI1 SCLK) |
| دبوس 55 | PTD3 — Port D bit 3 (GPIO / SPI1 MOSI) |
| دبوس 56 | PTD4 — Port D bit 4 (GPIO / SPI1 MISO) |
| دبوس 57 | PTD5 — Port D bit 5 (GPIO / SPI1 SS) |
| دبوس 58 | PTD6 — Port D bit 6 (GPIO / IIC SDA) |
| دبوس 59 | PTD7 — Port D bit 7 (GPIO / IIC SCL) |
| دبوس 60 | PTE0 — Port E bit 0 (GPIO / ECT channel 0) |
| دبوس 61 | PTE1 — Port E bit 1 (GPIO / ECT channel 1) |
| دبوس 62 | PTE2 — Port E bit 2 (GPIO / ECT channel 2) |
| دبوس 63 | PTE3 — Port E bit 3 (GPIO / ECT channel 3) |
| دبوس 64 | PTE4 — Port E bit 4 (GPIO / ECT channel 4) |
| دبوس 65 | PTE5 — Port E bit 5 (GPIO / ECT channel 5) |
| دبوس 66 | PTE6 — Port E bit 6 (GPIO / ECT channel 6) |
| دبوس 67 | PTE7 — Port E bit 7 (GPIO / ECT channel 7) |
| دبوس 68 | PTF0 — Port F bit 0 (GPIO / PWM channel) |
| دبوس 69 | PTF1 — Port F bit 1 (GPIO / PWM channel) |
| دبوس 70 | PTF2 — Port F bit 2 (GPIO / PWM channel) |
| دبوس 71 | PTF3 — Port F bit 3 (GPIO / PWM channel) |
| دبوس 72 | PTF4 — Port F bit 4 (GPIO / PWM channel) |
| دبوس 73 | PTF5 — Port F bit 5 (GPIO / PWM channel) |
| دبوس 74 | PTF6 — Port F bit 6 (GPIO / PWM channel) |
| دبوس 75 | PTF7 — Port F bit 7 (GPIO / PWM channel) |
| دبوس 76 | PTG0 — Port G bit 0 (GPIO / ECT channel) |
| دبوس 77 | PTG1 — Port G bit 1 (GPIO / ECT channel) |
| دبوس 78 | PTG2 — Port G bit 2 (GPIO / ECT channel) |
| دبوس 79 | PTG3 — Port G bit 3 (GPIO / ECT channel) |
| دبوس 80 | PTG4 — Port G bit 4 (GPIO) |
| دبوس 81 | PTG5 — Port G bit 5 (GPIO) |
| دبوس 82 | PTG6 — Port G bit 6 (GPIO) |
| دبوس 83 | PTG7 — Port G bit 7 (GPIO) |
| دبوس 84 | PTH0 — Port H bit 0 (GPIO) |
| دبوس 85 | PTH1 — Port H bit 1 (GPIO) |
| دبوس 86 | PTH2 — Port H bit 2 (GPIO) |
| دبوس 87 | PTH3 — Port H bit 3 (GPIO) |
| دبوس 88 | PTH4 — Port H bit 4 (GPIO) |
| دبوس 89 | PTH5 — Port H bit 5 (GPIO) |
| دبوس 90 | PTH6 — Port H bit 6 (GPIO) |
| دبوس 91 | PTH7 — Port H bit 7 (GPIO) |
| دبوس 92 | PTJ0 — Port J bit 0 (GPIO / IRQ pin) |
| دبوس 93 | PTJ1 — Port J bit 1 (GPIO / XIRQ pin) |
| دبوس 94 | PTJ2 — Port J bit 2 (GPIO) |
| دبوس 95 | PTJ3 — Port J bit 3 (GPIO) |
| دبوس 96 | PTJ4 — Port J bit 4 (GPIO) |
| دبوس 97 | PTJ5 — Port J bit 5 (GPIO) |
| دبوس 98 | PTJ6 — Port J bit 6 (GPIO) |
| دبوس 99 | PTJ7 — Port J bit 7 (GPIO) |
| دبوس 100 | VDDX — I/O supply (5 V) - segment 2 |
| دبوس 101 | VSSX — I/O ground - segment 2 |
| دبوس 102 | VDD — I/O supply (5 V) |
| دبوس 103 | VSS — I/O ground |
| دبوس 104 | PE0/ECLK — Enhanced Capture I/O / ECLK output |
| دبوس 105 | PE1 — Enhanced Capture I/O |
| دبوس 106 | PE2 — Enhanced Capture I/O |
| دبوس 107 | PE3 — Enhanced Capture I/O |
| دبوس 108 | PE4 — Enhanced Capture I/O |
| دبوس 109 | PE5 — Enhanced Capture I/O |
| دبوس 110 | PE6 — Enhanced Capture I/O |
| دبوس 111 | PE7 — Enhanced Capture I/O |
| دبوس 112 | BKGD/MODC — Background Debug Mode and Mode-C pin (shared with pin 2 function) |
التطبيقات النموذجية
MC9S12H256VPVE مناسب لـ 8 التطبيقs: Automotive Body Control Module (BCM), Instrument Cluster Controller, HVAC Control Module, Door Module and Seat Controller, Industrial CAN Node / PLC Slice, Solar Inverter Peripheral Controller, Agricultural Equipment ECU, Building Automation Gateway.
Automotive Body Control Module (BCM)
The MC9S12H256VPVE is well matched to body control modules because of its dual msCAN interfaces, eight PWM channels and 256 KB Flash, all of which fit the typical BCM firmware image with comfortable headroom. The on-chip 10-bit ADC samples door-switch, light-sensor and battery-voltage signals, while the two PWM modules drive exterior lamps and HVAC blower speeds without external FET drivers. AEC-Q100-style qualification and the -40 °C to +105 °C temperature range from the 'V' suffix let the BCM survive under-dash and engine-baywall placements, and the integrated 2.5 V regulator eliminates a discrete LDO on the 5 V rail.
موصى به
Instrument Cluster Controller
An instrument cluster needs accurate stepper or DC-motor control for gauges plus CAN connectivity to the powertrain bus, both of which the MC9S12H256VPVE provides directly. The 16-bit Enhanced Capture Timer generates the precise PWM waveforms that drive gauge stepper motors at the correct microstep rate, while the 10-bit ADC reads the fuel-level and temperature sensors. With 256 KB of Flash the device can host the full cluster graphics state machine, diagnostic routines and J1939 stack, and the 112-LQFP exposes enough GPIO to drive the warning-LED matrix without an external expander.
موصى به
HVAC Control Module
The HVAC module uses the MC9S12H256VPVE's dual CAN to communicate with the body and powertrain buses, while its eight PWM outputs drive the blower-motor power stage and blend-door actuators. The 10-bit ADC handles up to sixteen analog inputs for cabin-temperature, outside-air, coolant and sun-load sensors without external multiplexing. Wide-temperature operation (-40 °C to +105 °C) is essential for dashboard-placement HVAC units, and the on-chip EEPROM (4 KB) stores calibration constants and learned comfort set-points that must survive battery disconnect.
موصى به
Door Module and Seat Controller
Door modules integrate window lift, mirror adjust, lock actuation and puddle-lamp control, and the MC9S12H256VPVE fits this bill with its mix of PWM, capture timers and CAN. The Enhanced Capture Timer captures Hall-sensor pulses from window motors for anti-pinch detection, while PWMs modulate the mirror-fold and lock actuators. With 256 KB Flash, multiple door-module firmware variants (driver, passenger, rear) can share a single binary base, simplifying fleet management across vehicle programs.
موصى به
Industrial CAN Node / PLC Slice
Outside the automotive cabin, the MC9S12H256VPVE serves as a robust CANopen or DeviceNet slave node in industrial automation. The two SCI (UART) channels can be reconfigured as RS-485 links for legacy Modbus gear, while the SPI bus drives external digital potentiometers or sigma-delta ADCs for high-precision analog front-ends. The integrated 2.5 V regulator and the wide 4.5-5.5 V input allow direct connection to a 24 V industrial rail after a simple buck pre-regulator, simplifying the BOM in sensor hubs and distributed I/O slices.
موصى به
Solar Inverter Peripheral Controller
In a string-inverter architecture, the MC9S12H256VPVE takes the role of the peripheral-controller MCU that handles the DC-side measurement, fan control and CAN communication to the system supervisor. Its 10-bit ADC monitors string current and bus voltage, the PWM outputs drive the cooling-fan speed and the auxiliary relay, and the msCAN links to the inverter's main DSP or to an external data logger. The wide operating temperature and on-chip Flash security protect against firmware theft, both important in outdoor photovoltaic installations.
موصى به
Agricultural Equipment ECU
Tractors, harvesters and irrigation controllers need a rugged, AEC-style MCU with rich CAN connectivity - exactly the use case for the MC9S12H256VPVE. The dual msCAN can simultaneously talk to the ISOBUS implement network and the tractor's own body bus, while the 16-bit timers generate the precise PWM signals that drive hydraulic proportional valves. The -40 °C to +105 °C temperature range handles the harsh cab and engine-bay environment, and the 256 KB Flash is enough to host the ISOBUS VT client plus custom application logic.
موصى به
Building Automation Gateway
Building-automation gateways aggregate multiple field buses (BACnet, Modbus, KNX) and bridge them to IP networks, and the MC9S12H256VPVE handles the field-bus side efficiently. Its dual CAN ports can run BACnet MS/TP, the SCI channels drive Modbus RTU over RS-485, and the SPI bus connects to an external Ethernet controller for the IP uplink. The 256 KB Flash accommodates the protocol stacks and a small web-server image, while the 4 KB EEPROM stores configuration and node-descriptor data that survives power-cycles in unattended basements and riser closets.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ MC9S12H256VPVE — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | MC9S12H256VFVE | S912XHY256F0MLM | S912XHY256F0CLM | MC9S12DP512CPVE | MC9S12XA256CAL | MC9S12XDP512MAG |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 112-LQFP (20x20) | 112-LQFP (20x20) - same footprint | 112-LQFP (20x20) - same footprint | 112-LQFP (20x20) - same footprint | 112-LQFP (20x20) - same footprint | 112-LQFP (20x20) - same footprint | 112-LQFP (20x20) - same footprint |
| CPU Core | HCS12 (16-bit, 50 MHz) | HCS12 (16-bit, 50 MHz) | S12X (16-bit, 50 MHz, with XGATE) | S12X (16-bit, 50 MHz, with XGATE) | HCS12 (16-bit, 50 MHz) | S12X (16-bit, 80 MHz, with XGATE) | S12X (16-bit, 50 MHz, with XGATE) |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB | 512 KB | 256 KB | 512 KB |
| RAM | 12 KB | 12 KB | 12 KB | 12 KB | 32 KB | 12 KB | 32 KB |
| EEPROM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| CAN Modules | 2 x msCAN | 2 x msCAN | 2 x msCAN | 2 x msCAN | 5 x msCAN | 3 x msCAN | 5 x msCAN |
| Operating Temperature | -40 °C to +105 °C | -40 °C to +105 °C | -40 °C to +125 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +125 °C |
| Lifecycle Status | Active | Active | Active | Active | Active | Active | Active |
أبرز الفروقات
- Same 112-LQFP footprint with broader temperature range option (مقابلS912XHY256F0CLM)
- Lower-cost HCS12 core without XGATE complexity (مقابلS912XHY256F0MLM)
- Larger Flash headroom than 256 KB S12X variants in same package (مقابلMC9S12XDP512MAG)
- Dual msCAN matches the H256 family heritage (مقابلMC9S12XA256CAL)
ملاحظات التصميم
The MC9S12H256VPVE integrates a 2.5 V LDO that powers the core from the external 5 V VDDR pin. Decouple VDDR with a low-ESR 1 µF to 4.7 µF ceramic capacitor placed within 5 mm of the pin. Tie VDDX and VDD to the same 5 V rail as VDDR and decouple each with a 100 nF ceramic. Do not draw the internal 2.5 V out on any pin - the LDO is sized for the core only and cannot supply external loads.
Route the EXTAL/XTAL traces symmetrically with a ground guard ring and keep them shorter than 10 mm. The VDDPLL/VSSPLL pins must be star-routed from the main regulator with a pi-filter (ferrite bead + 100 nF + 4.7 µF). The 112-LQFP package uses a 0.65 mm pitch - use 0.15 mm/0.20 mm trace-and-space rules and a 4-layer stack-up with a continuous ground plane directly under the package to keep EMI low.
The TEST pin must be tied to VDD through a 1 kΩ resistor; leaving it floating puts the part in factory-test mode and prevents normal operation. The BKGD pin is open-drain and must be pulled up to VDDX through 4.7 kΩ. PLL configuration is locked by the FCLKDIV and SYSCLK registers; writing a bus frequency above the 50 MHz datasheet maximum will lock the MCU. After Flash security is enabled, only a mass-erase through BDM can recover the part - back up the security byte before locking.
Estimated: at the maximum 50 MHz bus speed and all peripherals active, the core current draw is roughly 70 mA. With the 5 V I/O supply at 5.25 V, power dissipation is about 0.37 W, giving a 30 °C junction-temperature rise on the 112-LQFP's typical 80 °C/W θJA. No external heatsink is required, but provide at least 4 cm² of unbroken copper on the top layer under the package as a thermal-spreader.
Each msCAN bus segment must be terminated with 120 Ω at each end and routed as a 1.5 m differential pair. The NXP TJA1050 or TJA1042 transceiver handles the physical layer and protects against 12 V battery transients. Keep the CAN traces at least 3 mm away from any PWM or PWM-complementary traces to avoid cross-talk that can cause bit-error-rate spikes above 1 Mbps.
معلومات الامتثال
Lead-free finish per NXP product page. The 'V' suffix temperature grade (-40 to +105 °C) meets AEC-Q100 Grade-2 automotive requirements. RoHS and REACH statements available from NXP product-compliance portal.
