MC9S12HZ256CAL - 16-Bit 50MHz 256KB Flash MCU | NXP
MPN: MC9S12HZ256CAL ✗ Cuối đờiMC9S12HZ256CAL Tóm tắt
A microcontroller is a semiconductor that integrates a CPU core, memory, I/O ports, timers, communication controllers, and other peripherals into one device. In the HCS12 hierarchy, this part is an embedded Flash MCU rather than a discrete processor. The NXP MC9S12HZ256 family is aimed at automotive instrumentation designs, where a single controller can coordinate digital inputs, analog measurement functions, motor-control outputs, and communication tasks while reducing component count.
The strongest verified features are the 16-bit data bus, 256KB Flash organized as 256K x 8, and the stated 50MHz clock speed in the device-family datasheet information. Distributor listings additionally display a 25MHz maximum-frequency field, creating a source discrepancy that should be resolved against the exact ordering-information table before clocking the device beyond 25MHz. The package is a 112-lead LQFP with gull-wing leads, making it a high-pin-count surface-mount automotive-control solution.
The MC9S12HZ256 family includes a motor PWM module with as many as 24 high-current outputs for driving up to six stepper motors, according to the NXP product page. Selected devices also offer up to four stepper-stall detectors for pointer-position calibration. These features make the MCU relevant to automotive gauge clusters, instrument-panel actuators, motor-driven indicators, pointer mechanisms, and other embedded motor-control systems.
Engineers should use the MC9S12HZ256CAL data sheet and CPU S12 reference manual together when developing firmware. The data sheet covers the HCS12 family modules, while the S12 CPU reference manual provides processor-specific information. Because the official product page identifies this exact orderable part as end of life, new production designs should confirm longevity, sourcing, and any migration plan before committing the MCU to an automotive platform.
A critical design constraint is power: the verified supply range is only 2.35V to 2.75V, so the regulator, decoupling, and ground architecture must remain within that narrow window. The 112-LQFP footprint also requires careful escape routing and a pin-accurate review of the 112-pin documentation. This page combines manufacturer and distributor facts, source conflicts, lifecycle status, and practical sourcing guidance without inferring missing electrical or pin-level data.
Bộ thay thế dễ dàng lắp đặt cho MC9S12HZ256CAL — 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 MC9S12HZ256CAL (cùng hình factor và footprint) — khác nhau ở Package, Product Type, Flash Memory, Package Type, Mounting Type.
MC9S12HZ256CPV
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →S912XET256J1CALR
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →S912XDT256F1VAA
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MC9S12A256CCPV
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MC9S12XDQ256VPV
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MC9S12HZ256CAL Tỷ lệ tối đa & tính chất điện
| Product Type | 16-bit HCS12 Flash microcontroller |
| Bề rộng đường dữ liệu | 16 bit |
| Core / Family | S12 core / MCS12H family |
| Flash Memory | 256KB (256K x 8) |
| Maximum Clock Speed | 50 MHz |
| Distributor Clock-Speed Listing | 25 MHz |
| Supply Voltage Range | 2.35V to 2.75V |
| Khoảng nhiệt độ hoạt động | -40°C to +85°C |
| Temperature Grade | Industrial |
| Hộp | 112-LQFP (20x20 mm) |
| Lead Count | 112 |
| Terminal Form | Gull wing |
| Package Shape | Square |
| Kiểu lắp đặt | Surface mount |
| Motor PWM Outputs | Up to 24 high-current outputs |
| Supported Stepper Motors | Up to 6 |
| Stepper Stall Detectors | Up to 4 on selected devices |
| Background Debug Interface | BKGD/TAGHI/MODC pin |
Hướng dẫn cấu hình chân MC9S12HZ256CAL square
Cấu hình chân cho MC9S12HZ256CAL (square gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho MC9S12HZ256CAL.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
MC9S12HZ256CAL phù hợp cho 6 Áp dụngs: Automotive Gauge Clusters, Stepper-Motor Pointer Drives, Instrumentation Motor Control, Automotive Sensor Aggregation, Industrial Embedded Control, Legacy Automotive Platform Maintenance.
Automotive Gauge Clusters
The MC9S12HZ256CAL fits legacy automotive gauge-cluster platforms that require a 16-bit HCS12 controller with 256KB Flash and a -40°C to +85°C industrial temperature range. Its documented motor PWM capability provides a direct architectural match for pointer and indicator mechanisms. The MCU can coordinate instrument inputs, drive selected stepper motors, and retain embedded control logic in one package. Design teams should verify the exact peripheral map, pin multiplexing, watchdog behavior, and diagnostic requirements against the official data sheet before production release.
Được đề xuất
Stepper-Motor Pointer Drives
The NXP MC9S12HZ256CAL is suitable for stepper-driven gauge pointers because the MCS12H family supports a motor PWM module with as many as 24 high-current outputs for up to six stepper motors. Selected devices also offer as many as four stall detectors for pointer-reset calibration. Firmware can therefore combine actuator sequencing, position feedback, and fail-safe handling in one 16-bit MCU. Production designs must confirm the selected device's stall-detector population and validate actuator current, thermal limits, and fault response.
Được đề xuất
Instrumentation Motor Control
The MC9S12HZ256CAL matches embedded automotive instrumentation controllers that operate multiple precision actuator outputs from a single MCU. Its 16-bit CPU, 256KB Flash, and motor PWM resources support real-time sequencing, calibration tables, and diagnostic logic, while the 112-LQFP package exposes a high pin count for external sensing and driver interfaces. Because the verified record does not specify every GPIO and timer channel, engineers should allocate pins only after reviewing the official package pin table and application reference material.
Được đề xuất
Automotive Sensor Aggregation
The 256KB Flash and 16-bit HCS12 architecture make MC9S12HZ256CAL a candidate for aggregating inputs from an automotive instrument panel and coordinating downstream motor commands. Embedded Flash can hold application, calibration, and diagnostic logic, while the family peripherals are intended for instrumentation designs. The verified operating range of -40°C to +85°C supports industrial-temperature equipment. Exact analog channels, ADC characteristics, communication interfaces, and pin multiplexing remain unstated in the supplied data and must be confirmed in the manufacturer documentation.
Được đề xuất
Industrial Embedded Control
MC9S12HZ256CAL can be used in legacy industrial embedded-control equipment requiring a 16-bit microcontroller, 256KB Flash, and operation from -40°C to +85°C. The HCS12 family's motor-control resources are especially useful for multi-axis sequencing and actuator management. However, the official NXP page identifies the part as End of Life, so industrial users should secure supply or plan a migration before long-term deployment. Firmware reuse is plausible within the S12 ecosystem, but pin, clock, memory, and peripheral equivalence must be verified for each candidate MCU.
Được đề xuất
Legacy Automotive Platform Maintenance
MC9S12HZ256CAL is most practical for maintaining an existing automotive platform whose software and 112-LQFP layout already depend on the MC9S12HZ256 family's pin assignments and peripherals. A same-part replacement avoids board and firmware disruption when only continuity of supply is required. Because the target is End of Life, procurement should include authorized-channel checks, lot traceability, and written remaining-lifecycle commitments. New functional alternatives should be treated as redesigns until their exact data sheets demonstrate compatibility.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S12HZ256CAL — 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 | MC9S12HZ256CPV | S912XET256J1CALR | S912XDT256F1VAA | MC9S12A256CCPV | MC9S12XDQ256VPV |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 112-LQFP (20x20 mm) | 112-LQFP (20x20 mm) - exact equivalence not verified | 112-LQFP (20x20 mm) - exact equivalence not verified | 112-LQFP (20x20 mm) - exact equivalence not verified | 112-LQFP (20x20 mm) - exact equivalence not verified | 112-LQFP (20x20 mm) - exact equivalence not verified |
| Flash Memory | 256KB (256K x 8) | 256KB-class | 256KB-class | 256KB-class | 256KB-class | 256KB-class |
| CPU Architecture | 16-bit HCS12 / S12 core | HCS12 family | S12 family | S12 family | HCS12 family | HCS12 family |
Bảo phân biệt quan trọng
- Purpose-built MCS12H automotive instrumentation positioning (vsMC9S12DJ32)
- Higher verified Flash allocation than the suggested 32KB-class alternative (vsMC9S12DJ32)
- Documented industrial temperature operation (vsMC9S12HZ256CPV)
- Motor-oriented feature set for gauge mechanisms (vsMC9S12DP512MPVE)
Ghi chú thiết kế
Design the supply rail for the verified 2.35V to 2.75V operating range and avoid allowing controller transients to exceed those limits. Place the required bypass capacitors directly at the device supply pins according to the official data sheet, keep high-current motor returns separate from sensitive signal returns where practical, and validate the regulator across startup, idle, and full actuator load. No capacitor values are provided in the verified data, so they must not be inferred from generic HCS12 designs.
The 112-LQFP footprint has a 0.5mm-class lead pitch implied by the 20x20mm, 112-lead format and requires constrained escape routing between pads. Use the official NXP package drawing for land pattern, pin-one orientation, solder-mask clearance, and courtyard. Review every pin against the selected memory map and peripheral mux before routing; a mechanically similar package is not enough to prove electrical compatibility.
Do not resolve the conflicting clock information by simply applying the 50MHz family-data-sheet figure. The NXP family PDF lists 50MHz, while DigiKey product snippets list 25MHz for the exact MPN. Engineers should check the device identification, clock-tree conditions, and ordering-information table for MC9S12HZ256CAL before setting fuses or timing. Also confirm all motor-output and stall-detector functions at the device level because those counts can vary by selected device.
Automotive instrumentation motor outputs can create local heating and supply disturbance even when the controller's own junction temperature appears acceptable. Estimate total dissipation from regulator, digital I/O, and external-driver contributions rather than the CPU alone, then estimate junction temperature using verified thermal data and the actual PCB copper area. The supplied data does not include thermal resistance or maximum power figures, so a numerical heat-sink or copper calculation cannot be made without additional manufacturer information.
Thông tin tuân thủ
The verified pages identify automotive instrumentation use and an industrial temperature range but do not explicitly provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations for the exact MPN.
