MC9S12H256VPVE - 16-bit 50MHz HCS12 MCU 256KB Flash LQFP-112 | NXP
MPN: MC9S12H256VPVE ✓ Hoạt độngMC9S12H256VPVE Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho MC9S12H256VPVE — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MC9S12H256VPVE (cùng hình factor và footprint) — khác nhau ở Package, Core Processor, Operating Temperature, Mounting Type, Core Architecture.
MC9S12H256VFVE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XHY256F0MLM
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
S912XHY256F0CLM
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S12DP512CPVE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12XA256CAL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12XDP512MAG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12H256VPVE Tỷ lệ tối đa & tính chất điện
| 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) |
| Nhiệt độ hoạt động | -40 °C to +105 °C |
| Hộp | 112-LQFP (20 x 20 mm) |
| Kiểu lắp đặt | 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 |
| Trạng thái RoHS | Compliant |
Cấu hình chân MC9S12H256VPVE
| Chân 1 | XCLKS — Oscillator mode select (PLL/PEE mode configuration) |
| Chân 2 | BKGD — Background Debug Mode (BDM) data pin |
| Chân 3 | RESET — External reset input (active low, open-drain) |
| Chân 4 | TEST — Test mode pin (must be tied to VDD for normal operation) |
| Chân 5 | VDDR — Voltage regulator power supply input (5 V) |
| Chân 6 | VDD — External 5 V I/O supply |
| Chân 7 | VSS — Digital ground |
| Chân 8 | VDDPLL — PLL supply (filtered 2.5 V) |
| Chân 9 | VSSPLL — PLL ground |
| Chân 10 | EXTAL — Crystal driver output |
| Chân 11 | XTAL — Crystal driver input |
| Chân 12 | PAD0 — Port AD bit 0 (ADC channel 0 / GPIO) |
| Chân 13 | PAD1 — Port AD bit 1 (ADC channel 1 / GPIO) |
| Chân 14 | PAD2 — Port AD bit 2 (ADC channel 2 / GPIO) |
| Chân 15 | PAD3 — Port AD bit 3 (ADC channel 3 / GPIO) |
| Chân 16 | PAD4 — Port AD bit 4 (ADC channel 4 / GPIO) |
| Chân 17 | PAD5 — Port AD bit 5 (ADC channel 5 / GPIO) |
| Chân 18 | PAD6 — Port AD bit 6 (ADC channel 6 / GPIO) |
| Chân 19 | PAD7 — Port AD bit 7 (ADC channel 7 / GPIO) |
| Chân 20 | PAD8 — Port AD bit 8 (ADC channel 8 / GPIO) |
| Chân 21 | PAD9 — Port AD bit 9 (ADC channel 9 / GPIO) |
| Chân 22 | PAD10 — Port AD bit 10 (ADC channel 10 / GPIO) |
| Chân 23 | PAD11 — Port AD bit 11 (ADC channel 11 / GPIO) |
| Chân 24 | PAD12 — Port AD bit 12 (ADC channel 12 / GPIO) |
| Chân 25 | PAD13 — Port AD bit 13 (ADC channel 13 / GPIO) |
| Chân 26 | PAD14 — Port AD bit 14 (ADC channel 14 / GPIO) |
| Chân 27 | PAD15 — Port AD bit 15 (ADC channel 15 / GPIO) |
| Chân 28 | PTA0 — Port A bit 0 (GPIO / SCI0 Tx in some modes) |
| Chân 29 | PTA1 — Port A bit 1 (GPIO / SCI0 Rx in some modes) |
| Chân 30 | PTA2 — Port A bit 2 (GPIO / PWM channel) |
| Chân 31 | PTA3 — Port A bit 3 (GPIO / PWM channel) |
| Chân 32 | PTA4 — Port A bit 4 (GPIO / PWM channel) |
| Chân 33 | PTA5 — Port A bit 5 (GPIO / PWM channel) |
| Chân 34 | PTA6 — Port A bit 6 (GPIO / PWM channel) |
| Chân 35 | PTA7 — Port A bit 7 (GPIO / PWM channel) |
| Chân 36 | PTB0 — Port B bit 0 (GPIO) |
| Chân 37 | PTB1 — Port B bit 1 (GPIO) |
| Chân 38 | PTB2 — Port B bit 2 (GPIO) |
| Chân 39 | PTB3 — Port B bit 3 (GPIO) |
| Chân 40 | PTB4 — Port B bit 4 (GPIO) |
| Chân 41 | PTB5 — Port B bit 5 (GPIO) |
| Chân 42 | PTB6 — Port B bit 6 (GPIO) |
| Chân 43 | PTB7 — Port B bit 7 (GPIO) |
| Chân 44 | PTC0 — Port C bit 0 (GPIO / CAN0 Tx) |
| Chân 45 | PTC1 — Port C bit 1 (GPIO / CAN0 Rx) |
| Chân 46 | PTC2 — Port C bit 2 (GPIO / CAN1 Tx) |
| Chân 47 | PTC3 — Port C bit 3 (GPIO / CAN1 Rx) |
| Chân 48 | PTC4 — Port C bit 4 (GPIO / SPI0 SCLK) |
| Chân 49 | PTC5 — Port C bit 5 (GPIO / SPI0 MOSI) |
| Chân 50 | PTC6 — Port C bit 6 (GPIO / SPI0 MISO) |
| Chân 51 | PTC7 — Port C bit 7 (GPIO / SPI0 SS) |
| Chân 52 | PTD0 — Port D bit 0 (GPIO / SCI1 Tx) |
| Chân 53 | PTD1 — Port D bit 1 (GPIO / SCI1 Rx) |
| Chân 54 | PTD2 — Port D bit 2 (GPIO / SPI1 SCLK) |
| Chân 55 | PTD3 — Port D bit 3 (GPIO / SPI1 MOSI) |
| Chân 56 | PTD4 — Port D bit 4 (GPIO / SPI1 MISO) |
| Chân 57 | PTD5 — Port D bit 5 (GPIO / SPI1 SS) |
| Chân 58 | PTD6 — Port D bit 6 (GPIO / IIC SDA) |
| Chân 59 | PTD7 — Port D bit 7 (GPIO / IIC SCL) |
| Chân 60 | PTE0 — Port E bit 0 (GPIO / ECT channel 0) |
| Chân 61 | PTE1 — Port E bit 1 (GPIO / ECT channel 1) |
| Chân 62 | PTE2 — Port E bit 2 (GPIO / ECT channel 2) |
| Chân 63 | PTE3 — Port E bit 3 (GPIO / ECT channel 3) |
| Chân 64 | PTE4 — Port E bit 4 (GPIO / ECT channel 4) |
| Chân 65 | PTE5 — Port E bit 5 (GPIO / ECT channel 5) |
| Chân 66 | PTE6 — Port E bit 6 (GPIO / ECT channel 6) |
| Chân 67 | PTE7 — Port E bit 7 (GPIO / ECT channel 7) |
| Chân 68 | PTF0 — Port F bit 0 (GPIO / PWM channel) |
| Chân 69 | PTF1 — Port F bit 1 (GPIO / PWM channel) |
| Chân 70 | PTF2 — Port F bit 2 (GPIO / PWM channel) |
| Chân 71 | PTF3 — Port F bit 3 (GPIO / PWM channel) |
| Chân 72 | PTF4 — Port F bit 4 (GPIO / PWM channel) |
| Chân 73 | PTF5 — Port F bit 5 (GPIO / PWM channel) |
| Chân 74 | PTF6 — Port F bit 6 (GPIO / PWM channel) |
| Chân 75 | PTF7 — Port F bit 7 (GPIO / PWM channel) |
| Chân 76 | PTG0 — Port G bit 0 (GPIO / ECT channel) |
| Chân 77 | PTG1 — Port G bit 1 (GPIO / ECT channel) |
| Chân 78 | PTG2 — Port G bit 2 (GPIO / ECT channel) |
| Chân 79 | PTG3 — Port G bit 3 (GPIO / ECT channel) |
| Chân 80 | PTG4 — Port G bit 4 (GPIO) |
| Chân 81 | PTG5 — Port G bit 5 (GPIO) |
| Chân 82 | PTG6 — Port G bit 6 (GPIO) |
| Chân 83 | PTG7 — Port G bit 7 (GPIO) |
| Chân 84 | PTH0 — Port H bit 0 (GPIO) |
| Chân 85 | PTH1 — Port H bit 1 (GPIO) |
| Chân 86 | PTH2 — Port H bit 2 (GPIO) |
| Chân 87 | PTH3 — Port H bit 3 (GPIO) |
| Chân 88 | PTH4 — Port H bit 4 (GPIO) |
| Chân 89 | PTH5 — Port H bit 5 (GPIO) |
| Chân 90 | PTH6 — Port H bit 6 (GPIO) |
| Chân 91 | PTH7 — Port H bit 7 (GPIO) |
| Chân 92 | PTJ0 — Port J bit 0 (GPIO / IRQ pin) |
| Chân 93 | PTJ1 — Port J bit 1 (GPIO / XIRQ pin) |
| Chân 94 | PTJ2 — Port J bit 2 (GPIO) |
| Chân 95 | PTJ3 — Port J bit 3 (GPIO) |
| Chân 96 | PTJ4 — Port J bit 4 (GPIO) |
| Chân 97 | PTJ5 — Port J bit 5 (GPIO) |
| Chân 98 | PTJ6 — Port J bit 6 (GPIO) |
| Chân 99 | PTJ7 — Port J bit 7 (GPIO) |
| Chân 100 | VDDX — I/O supply (5 V) - segment 2 |
| Chân 101 | VSSX — I/O ground - segment 2 |
| Chân 102 | VDD — I/O supply (5 V) |
| Chân 103 | VSS — I/O ground |
| Chân 104 | PE0/ECLK — Enhanced Capture I/O / ECLK output |
| Chân 105 | PE1 — Enhanced Capture I/O |
| Chân 106 | PE2 — Enhanced Capture I/O |
| Chân 107 | PE3 — Enhanced Capture I/O |
| Chân 108 | PE4 — Enhanced Capture I/O |
| Chân 109 | PE5 — Enhanced Capture I/O |
| Chân 110 | PE6 — Enhanced Capture I/O |
| Chân 111 | PE7 — Enhanced Capture I/O |
| Chân 112 | BKGD/MODC — Background Debug Mode and Mode-C pin (shared with pin 2 function) |
Ứng dụng tiêu biểu
MC9S12H256VPVE phù hợp cho 8 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S12H256VPVE — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Same 112-LQFP footprint with broader temperature range option (vsS912XHY256F0CLM)
- Lower-cost HCS12 core without XGATE complexity (vsS912XHY256F0MLM)
- Larger Flash headroom than 256 KB S12X variants in same package (vsMC9S12XDP512MAG)
- Dual msCAN matches the H256 family heritage (vsMC9S12XA256CAL)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
