MC9S12DG256MPVE - 16-bit HCS12 MCU 256KB Flash | NXP
料号： MC9S12DG256MPVE ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $92.18 | $92.18 |
| 10 | $87.57 | $875.70 |
| 100 | $83.19 | $8,319.00 |
| 500 | $79.03 | $39,515.00 |
| 1,000 | $75.08 | $75,080.00 |
MC9S12DG256MPVE 概述
A 16-bit microcontroller is a single-chip computer that integrates a processor core, memory and peripherals on one die, sitting within the broader hierarchy of MCU -> embedded processor -> semiconductor. The HCS12 (S12) family, originally developed by Motorola and Freescale and now produced by NXP, is a CISC-architecture 16-bit family widely used in automotive and industrial control, where Flash-based program memory allows field updates and pin-compatible family members enable scalable designs across memory options.
Key features of the MC9S12DG256 include 256 KB of Flash program memory for large embedded applications, 12 KB of on-chip RAM, 4 KB of EEPROM for non-volatile parameter storage, an 8-channel 10-bit analog-to-digital converter for sensor interfaces, and 91 general-purpose I/O lines. The device is fully pin compatible with other MC9S12DG-family members, letting designers choose different memory sizes without PCB redesign.
Technically, the enhanced HCS12 core executes CISC instructions with a 25 MHz maximum bus clock. The integrated Flash, RAM and EEPROM arrays are clocked from the same bus, and the peripheral set - ADC, timer, serial interfaces - is memory-mapped for fast 16-bit access. The 112-LQFP package provides a 0.5 mm pin pitch suitable for standard SMD assembly.
Typical applications include automotive multiplexing and body-control modules, industrial control systems, motor management units, and instrumentation. The automotive-oriented heritage and 91 GPIO count make it particularly well suited to node controllers that need many I/O lines and moderate compute.
Design consideration: since this part is NRND (Not Recommended for New Designs) per NXP, new designs should evaluate pin-compatible S12 successors or the alternatives listed on this page.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： MC9S12DG256MPVE ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MC9S12DG256MPVE （相同外形与封装尺寸） ——差异在于 Supply Voltage, Connectivity, Peripherals, Package, Core Processor.
快速对比工具——选择替代料号进行并排对比：
MC9S12DG256BVPV
✅ 直接替换✓ 有现货
$15.6 / 个
查看数据手册 →MC9S12DT128MPVE
✅ 直接替换✓ 有现货
$36.5 / 个
查看数据手册 →MC9S12DG128MPV
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →MC9S12DG128VFUE
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →MC9S12E256MPVE
✅ 直接替换✓ 有现货
$18.2 / 个
查看数据手册 →MC9S12A256CFUE
✅ 直接替换✓ 有现货
$47.08 / 个
查看数据手册 →MC9S12DG256MPVE 最大额定值与电气特性
| Core Processor | HCS12 |
| Core Architecture | 16-bit CISC |
| 最大时钟频率 | 25 MHz |
| Flash Memory | 256 KB (256K x 8) |
| RAM | 12 KB |
| EEPROM | 4 KB |
| ADC Resolution | 10-bit |
| ADC Channels | 8 |
| GPIO Count | 91 |
| 封装 | 112-LQFP (20 x 20 mm) |
| 安装类型 | Surface Mount |
| 生命周期状态 | NRND (Not Recommended for New Designs) |
MC9S12DG256MPVE 112-lqfp (20 x 20 mm) 引脚配置指南
MC9S12DG256MPVE（112-lqfp (20 x 20 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： MC9S12DG256MPVE.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC9S12DG256MPVE 适用于 6 应用s: Automotive Multiplexing and Body Control, Industrial Control and Automation, Motor Management and Control Nodes, Instrumentation and Test Equipment, Building and Access Control Systems, Agricultural and Off-Highway Vehicle Electronics.
Automotive Multiplexing and Body Control
The MC9S12DG256MPVE was explicitly designed for automotive multiplexing applications, per the original Motorola family introduction. Its 91 general-purpose I/O pins directly drive relays, lamp diagnostics and switch matrices in body-control modules, while the 8-channel 10-bit ADC reads potentiometer-style position sensors and battery sense lines. The 4 KB EEPROM retains calibration and configuration data across power cycles without external memory. In a typical node, the 25 MHz HCS12 core runs the multiplex protocol stack and diagnostic handlers from the 256 KB Flash, leaving headroom for field updates. Because S12D-family members are pin compatible, OEMs can populate the same PCB with the 256 KB part for feature-rich variants and 128 KB parts for base variants, amortizing qualification costs.
推荐
Industrial Control and Automation
In factory automation, the MC9S12DG256MPVE serves as a main controller for machine I/O, sequencing logic and operator-interface tasks. The 25 MHz HCS12 core executes CISC instruction code efficiently for control loops, while 91 GPIO lines interface limit switches, contactors and indicators directly, reducing external logic ICs. The 10-bit ADC with 8 channels digitizes analog setpoints and feedback signals such as pressure and position, and the 4 KB EEPROM stores machine parameters and production counters through power interruptions. The 256 KB Flash accommodates protocol firmware, state machines and diagnostics, and Flash programming over the serial interface enables field firmware updates. The wide-spread availability of HCS12 development tooling and long service history simplifies sustaining engineering for long-lifecycle industrial equipment.
推荐
Motor Management and Control Nodes
Motor management units benefit from the MC9S12DG256MPVE's combination of ADC channels for current and temperature sensing and abundant GPIO for gate-driver enable, direction and fault lines. The 10-bit, 8-channel ADC can monitor phase currents via shunt amplifiers and the heatsink temperature simultaneously, enabling protection thresholds executed in software on the 25 MHz core. The 4 KB EEPROM stores motor-specific calibration such as current limits and ramp profiles, surviving power cycles in the field. With 256 KB Flash, the controller can hold multiple motor profile tables and diagnostic logging. Designers should implement current-loop timing carefully on the HCS12, using the timer peripherals for PWM generation and the ADC in triggered-scan mode to synchronize sampling with PWM edges for accurate average-current measurement.
推荐
Instrumentation and Test Equipment
Bench and portable instruments use the MC9S12DG256MPVE as a system controller managing front-panel inputs, display updates and measurement sequencing. The 10-bit ADC handles auxiliary analog channels, while the deep GPIO count (91 pins) drives keypads, LED indicators and multiplexed segment displays without expansion logic. The 256 KB Flash stores menus, calibration tables and communication firmware; the 4 KB EEPROM keeps user calibration and settings through power-off, which is essential for instruments requiring traceable calibration. The 25 MHz bus supports responsive user interfaces, and serial peripherals communicate with host PCs. Because the device is 5 V-oriented HCS12 logic, it interfaces conveniently with legacy analog front ends common in instrumentation, though NRND status means new instrument designs should weigh the S12XE successor.
推荐
Building and Access Control Systems
Access-control panels and door controllers map naturally onto the MC9S12DG256MPVE: card-reader interfaces, lock relays, door-position switches and request-to-exit buttons all consume GPIO, and 91 I/O lines cover multi-door configurations without port expanders. The 10-bit ADC monitors power-supply health and battery backup voltage, while the 4 KB EEPROM retains user databases and event counters across outages. The 256 KB Flash hosts the access-rule engine, audit logging and supervisory communication firmware. The HCS12 core at 25 MHz provides adequate headroom for cryptographic or checksum processing on credential data at door-controller scale. Pin compatibility across the S12D family lets panel manufacturers field a product line from a single PCB platform, populating the 256 KB part in flagship panels and 128 KB variants in economy models.
推荐
Agricultural and Off-Highway Vehicle Electronics
Off-highway equipment - tractors, harvesters, construction machines - uses rugged 16-bit MCU nodes for hydraulic valve control, sensor aggregation and operator-console communication. The MC9S12DG256MPVE fits these roles: the 8-channel 10-bit ADC reads pressure transducers and potentiometer joysticks; 91 GPIO drive valve solenoids via external drivers and interpret diagnostic switches; and the 4 KB EEPROM preserves implement calibration per machine. The 256 KB Flash holds application plus diagnostic code, and the HCS12's automotive pedigree means familiarity with 12 V/24 V electrical environments and transient-aware board design. Firmware CAN/serial communication links implement under the standard S12 peripheral set. Given NRND status, new off-highway platforms should consider the S12XE or S12VR families, while legacy machines continue using the MC9S12DG256 for service replacements.
推荐
推荐产品汇总
工程参考数据： MC9S12DG256MPVE ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MC9S12DG256BVPV | MC9S12DT128MPVE | MC9S12DG128MPV | MC9S12E256MPVE |
|---|---|---|---|---|---|
| Package | 112-LQFP (20 x 20 mm) | 112-LQFP - same | 112-LQFP - same | 112-LQFP - same | 112-LQFP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Architecture | HCS12 16-bit CISC | HCS12 16-bit CISC | HCS12 16-bit CISC | HCS12 16-bit CISC | S12E 16-bit CISC |
| Flash Memory | 256 KB | 256 KB | 128 KB | 128 KB | 256 KB |
关键差异点
- Largest Flash in the DG-family 112-LQFP lineup （对比 MC9S12DG128MPV)
- On-chip EEPROM retains calibration without external memory （对比 MC9S12A256CFUE)
- Trade-off: NRND lifecycle status （对比 MC9S12XEQ384CAG)
设计说明
Treat this part as NRND before starting a new design: NXP classifies MC9S12DG256MPVE as Not Recommended for New Designs, so a program started today may face last-time-buy notices mid-development. For sustaining existing designs, secure sufficient stock or pre-qualify MC9S12DG256BVPV (same 256 KB memory, same 112-LQFP footprint) as a second source. Always verify the full ordering code - speed grade and temperature suffix - against the NXP S12D family ordering table before substituting any suffix variant.
The 112-LQFP (20 x 20 mm) package uses a 0.5 mm lead pitch. Use a standard LQFP-112 land pattern per the manufacturer package outline drawing, with solder-mask-defined or non-solder-mask-defined pads matched to your assembly process capability. Keep oscillator (EXTAL/XTAL) traces short and guard them with ground, and place the ADC reference decoupling close to the VDDA/VSSA pins. Because the family is pin compatible across memory options, lay out the board once and qualify it for both 256 KB and 128 KB variants to enable dual-sourcing within the family.
Estimated: budget supply current from the 25 MHz HCS12 core plus peripheral loading and I/O drive - the exact per-mode current figures should be taken from the manufacturer datasheet current-consumption tables, which were not included in the data sources for this page. Design the 5 V-class HCS12 supply rail with margin for all 91 GPIO pins driven simultaneously at high level, and decouple each VDDX/VSSR pin pair with 100 nF ceramics plus bulk capacitance near the regulator. Verify brown-out/reset supervisor settings so EEPROM writes do not occur during supply collapse.
合规信息
Environmental and quality data are listed on the NXP product page but specific RoHS/REACH status values were not included in the retrieved data; consult the NXP product page Environmental section.
