MC9S12HZ128VAL - 16-bit HCS12 MCU, 128KB Flash, 112-LQFP | NXP
料号： MC9S12HZ128VAL ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.25 | $162.50 |
| 100 | $13.8 | $1,380.00 |
| 500 | $11.95 | $5,975.00 |
| 1,000 | $10.4 | $10,400.00 |
MC9S12HZ128VAL 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and a rich set of peripherals such as timers, communication controllers, and analog blocks. Within the broader taxonomy, the MC9S12HZ128VAL sits in the HCS12 16-bit MCU family, which itself belongs to the automotive microcontroller segment, a sub-category of embedded microcontrollers in the integrated-circuits hierarchy. HCS12 devices are widely used in body-electronics and instrument-cluster designs that require deterministic interrupt response and CAN connectivity.
Key features include up to 25 MHz core clock, hardware CAN, SCI, SPI and I2C controllers, an integrated LCD driver, a motor-control PWM (MC PWM) module capable of driving up to six stepper motors, on-chip stepper stall detectors (SSD) on selected devices, and a 10-bit ADC. The wide operating voltage range and -40C to +105C temperature grade make the part suitable for under-hood and dashboard automotive environments.
The architecture is built around the standard HCS12 bus with separate program-Flash and data-Flash regions, supporting in-application reprogramming. The MC PWM module outputs up to 24 high-current channels suitable for driving air-core gauges directly without external driver stages, which simplifies cluster BOM and PCB layout.
Typical applications include automotive instrument clusters, body-control modules, HVAC control panels, stepper-motor-driven analog gauges, CAN nodes in vehicle networks, and general-purpose 16-bit embedded control. The integrated LCD controller further reduces system complexity in dashboard designs.
When designing with this part, allocate adequate PCB area for the 112-LQFP (20x20 mm) footprint and follow NXP EMC and decoupling recommendations in the device reference manual; oscillator layout and supply decoupling are particularly critical for CAN-bus timing accuracy.
This page consolidates distributor pricing, drop-in alternatives from the same HCS12 sub-family, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： MC9S12HZ128VAL ——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： MC9S12HZ128VAL （相同外形与封装尺寸） ——差异在于 Package, Core Architecture, Product Type, Mounting Type, Flash Memory.
快速对比工具——选择替代料号进行并排对比：
MC9S12HZ256VAL
✅ 直接替换✓ 有现货
$18.4 / 个
查看数据手册 →S9S12HZ128J3VAL
✅ 直接替换✓ 有现货
$13.1 / 个
查看数据手册 →MC9S12H256VFVE
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$10.95 / 个
查看数据手册 →S912XHZ512F1VAL
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$16.4 / 个
查看数据手册 →MC9S12XHZ256VAG
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$15.2 / 个
查看数据手册 →MC9S12HZ128VAL 最大额定值与电气特性
| Core Processor | HCS12 |
| Core Size | 16-Bit |
| Core Speed | 25 MHz |
| Program Memory Size | 128 KB (128K x 8) Flash |
| Number of I/O | 85 |
| 封装 | 112-LQFP (20x20 mm) |
| 安装类型 | Surface Mount |
| Connectivity | CANbus, EBI/EMI, I2C, SCI, SPI |
| Peripherals | LCD, Motor Control PWM, POR, PWM, WDT |
| 工作温度 | -40C to +105C |
| Series | HCS12 (MCS12H family) |
| RoHS 状态 | Compliant |
| Part Status | Not For New Designs (NRND) |
MC9S12HZ128VAL 引脚配置
| 引脚 1 | VSS — Digital ground reference |
| 引脚 2 | VDDR — Voltage regulator supply input |
| 引脚 3 | VDD — Digital supply voltage |
| 引脚 4 | XCLKS — Crystal oscillator select / mode control |
| 引脚 5 | EXTAL — External clock/crystal input |
| 引脚 6 | XTAL — Crystal oscillator output |
| 引脚 7 | RESET — Active-low external reset input |
| 引脚 8 | BKGD — Background debug mode / MODC |
| 引脚 9 | TXCAN0 — CAN0 transmit output |
| 引脚 10 | RXCAN0 — CAN0 receive input |
| 引脚 11 | TXCAN1 — CAN1 transmit output (if present) |
| 引脚 12 | RXCAN1 — CAN1 receive input (if present) |
| 引脚 13 | PWM0 — Motor Control PWM channel 0 (high-current) |
| 引脚 14 | PWM1 — Motor Control PWM channel 1 (high-current) |
| 引脚 15 | PWM2 — Motor Control PWM channel 2 (high-current) |
| 引脚 16 | PWM3 — Motor Control PWM channel 3 (high-current) |
| 引脚 17 | PWM4 — Motor Control PWM channel 4 (high-current) |
| 引脚 18 | PWM5 — Motor Control PWM channel 5 (high-current) |
| 引脚 19 | PWM6 — Motor Control PWM channel 6 (high-current) |
| 引脚 20 | PWM7 — Motor Control PWM channel 7 (high-current) |
| 引脚 21 | PWM8 — Motor Control PWM channel 8 (high-current) |
| 引脚 22 | PWM9 — Motor Control PWM channel 9 (high-current) |
| 引脚 23 | PWM10 — Motor Control PWM channel 10 (high-current) |
| 引脚 24 | PWM11 — Motor Control PWM channel 11 (high-current) |
| 引脚 25 | SSD0 — Stepper stall detector input 0 |
| 引脚 26 | SSD1 — Stepper stall detector input 1 |
| 引脚 27 | SSD2 — Stepper stall detector input 2 |
| 引脚 28 | SSD3 — Stepper stall detector input 3 |
| 引脚 29 | LCD0 — LCD segment driver line 0 |
| 引脚 30 | LCD1 — LCD segment driver line 1 |
| 引脚 31 | LCD2 — LCD segment driver line 2 |
| 引脚 32 | LCD3 — LCD segment driver line 3 |
| 引脚 33 | LCD4 — LCD segment driver line 4 |
| 引脚 34 | LCD5 — LCD segment driver line 5 |
| 引脚 35 | LCD6 — LCD segment driver line 6 |
| 引脚 36 | LCD7 — LCD segment driver line 7 |
| 引脚 37 | LCD8 — LCD segment driver line 8 |
| 引脚 38 | LCD9 — LCD segment driver line 9 |
| 引脚 39 | LCD10 — LCD segment driver line 10 |
| 引脚 40 | LCD11 — LCD segment driver line 11 |
| 引脚 41 | LCD12 — LCD segment driver line 12 |
| 引脚 42 | LCD13 — LCD segment driver line 13 |
| 引脚 43 | LCD14 — LCD segment driver line 14 |
| 引脚 44 | LCD15 — LCD segment driver line 15 |
| 引脚 45 | LCD16 — LCD segment driver line 16 |
| 引脚 46 | LCD17 — LCD segment driver line 17 |
| 引脚 47 | LCD18 — LCD segment driver line 18 |
| 引脚 48 | LCD19 — LCD segment driver line 19 |
| 引脚 49 | LCD20 — LCD segment driver line 20 |
| 引脚 50 | LCD21 — LCD segment driver line 21 |
| 引脚 51 | LCD22 — LCD segment driver line 22 |
| 引脚 52 | LCD23 — LCD segment driver line 23 |
| 引脚 53 | LCD24 — LCD segment driver line 24 |
| 引脚 54 | LCD25 — LCD segment driver line 25 |
| 引脚 55 | LCD26 — LCD segment driver line 26 |
| 引脚 56 | LCD27 — LCD segment driver line 27 |
| 引脚 57 | LCD28 — LCD segment driver line 28 |
| 引脚 58 | LCD29 — LCD segment driver line 29 |
| 引脚 59 | LCD30 — LCD segment driver line 30 |
| 引脚 60 | LCD31 — LCD segment driver line 31 |
| 引脚 61 | LCD32 — LCD segment driver line 32 |
| 引脚 62 | LCD33 — LCD segment driver line 33 |
| 引脚 63 | LCD34 — LCD segment driver line 34 |
| 引脚 64 | LCD35 — LCD segment driver line 35 |
| 引脚 65 | LCD36 — LCD segment driver line 36 |
| 引脚 66 | LCD37 — LCD segment driver line 37 |
| 引脚 67 | LCD38 — LCD segment driver line 38 |
| 引脚 68 | LCD39 — LCD segment driver line 39 |
| 引脚 69 | PWM12 — Motor Control PWM channel 12 (high-current) |
| 引脚 70 | PWM13 — Motor Control PWM channel 13 (high-current) |
| 引脚 71 | PWM14 — Motor Control PWM channel 14 (high-current) |
| 引脚 72 | PWM15 — Motor Control PWM channel 15 (high-current) |
| 引脚 73 | PWM16 — Motor Control PWM channel 16 (high-current) |
| 引脚 74 | PWM17 — Motor Control PWM channel 17 (high-current) |
| 引脚 75 | PWM18 — Motor Control PWM channel 18 (high-current) |
| 引脚 76 | PWM19 — Motor Control PWM channel 19 (high-current) |
| 引脚 77 | PWM20 — Motor Control PWM channel 20 (high-current) |
| 引脚 78 | PWM21 — Motor Control PWM channel 21 (high-current) |
| 引脚 79 | PWM22 — Motor Control PWM channel 22 (high-current) |
| 引脚 80 | PWM23 — Motor Control PWM channel 23 (high-current) |
| 引脚 81 | PAD0 — General purpose I/O / analog input |
| 引脚 82 | PAD1 — General purpose I/O / analog input |
| 引脚 83 | PAD2 — General purpose I/O / analog input |
| 引脚 84 | PAD3 — General purpose I/O / analog input |
| 引脚 85 | PAD4 — General purpose I/O / analog input |
| 引脚 86 | PAD5 — General purpose I/O / analog input |
| 引脚 87 | PAD6 — General purpose I/O / analog input |
| 引脚 88 | PAD7 — General purpose I/O / analog input |
| 引脚 89 | PS0 — Port S bit 0 (SCI/SPI/I2C shared) |
| 引脚 90 | PS1 — Port S bit 1 (SCI/SPI/I2C shared) |
| 引脚 91 | PS2 — Port S bit 2 (SCI/SPI/I2C shared) |
| 引脚 92 | PS3 — Port S bit 3 (SCI/SPI/I2C shared) |
| 引脚 93 | PS4 — Port S bit 4 (SCI/SPI/I2C shared) |
| 引脚 94 | PS5 — Port S bit 5 (SCI/SPI/I2C shared) |
| 引脚 95 | PS6 — Port S bit 6 (SCI/SPI/I2C shared) |
| 引脚 96 | PS7 — Port S bit 7 (SCI/SPI/I2C shared) |
| 引脚 97 | PT0 — Port T bit 0 (timer / GPIO) |
| 引脚 98 | PT1 — Port T bit 1 (timer / GPIO) |
| 引脚 99 | PT2 — Port T bit 2 (timer / GPIO) |
| 引脚 100 | PT3 — Port T bit 3 (timer / GPIO) |
| 引脚 101 | PT4 — Port T bit 4 (timer / GPIO) |
| 引脚 102 | PT5 — Port T bit 5 (timer / GPIO) |
| 引脚 103 | PT6 — Port T bit 6 (timer / GPIO) |
| 引脚 104 | PT7 — Port T bit 7 (timer / GPIO) |
| 引脚 105 | EBI_DATA0 — External bus data bit 0 (when EBI enabled) |
| 引脚 106 | EBI_DATA1 — External bus data bit 1 (when EBI enabled) |
| 引脚 107 | EBI_ADDR0 — External bus address bit 0 (when EBI enabled) |
| 引脚 108 | EBI_ADDR1 — External bus address bit 1 (when EBI enabled) |
| 引脚 109 | VDDX — I/O supply voltage domain |
| 引脚 110 | VSSX — I/O ground reference |
| 引脚 111 | VDDA — Analog supply voltage (for ADC reference) |
| 引脚 112 | VSSA — Analog ground reference |
典型应用
MC9S12HZ128VAL 适用于 6 应用s: Automotive Instrument Cluster, Stepper-Motor Gauge Driver, Body Control Module (BCM), HVAC Control Panel, Industrial CAN Node / Sensor Hub, Aftermarket Automotive Telematics.
Automotive Instrument Cluster
The MC9S12HZ128VAL's integrated LCD driver and 24-channel Motor Control PWM make it a natural fit for analog/digital instrument clusters. Its 128KB Flash is sufficient for cluster graphics, gauge calibration, and CAN-based diagnostics, while the 112-LQFP package supports dense PCB layouts. Compared with a discrete MCU-plus-driver approach, the integrated MC PWM reduces BOM by eliminating external H-bridge drivers for up to six stepper gauges. The HCS12 core at 25 MHz delivers deterministic interrupt response needed for CAN message timing, and the -40C to +105C grade covers under-dash thermal profiles.
推荐
Stepper-Motor Gauge Driver
The MC9S12HZ128VAL's Motor Control PWM module delivers up to 24 high-current outputs specifically tuned to drive six stepper motors, including stepper stall detectors (SSD) for closed-loop pointer calibration. This eliminates the need for external stepper predriver ICs in air-core gauge designs, simplifying the PCB and reducing EMI. The 16-bit HCS12 core executes gauge-sweep algorithms with sufficient headroom for non-linear pointer response curves. Operating from -40C to +105C, the part handles engine-bay and dashboard thermal stress in automotive platforms.
推荐
Body Control Module (BCM)
The MC9S12HZ128VAL's CAN, SCI, SPI and I2C connectivity, combined with 85 GPIO lines, suits distributed body-control modules that aggregate door, lighting, and accessory switching. The 128KB Flash holds BCM application code plus bootloader, while the 25 MHz HCS12 core handles LIN-master tasks via SCI and CAN message arbitration. The 112-LQFP package footprint and automotive-grade temperature rating allow placement in passenger-compartment BCM housings without derating. Pair with external CAN/LIN transceivers for full network node functionality.
推荐
HVAC Control Panel
Climate-control head units benefit from the MC9S12HZ128VAL's LCD driver (for display readout), PWM channels (for blower-speed control and backlight dimming), and SCI/SPI connectivity (for panel-to-head-unit networking). The 128KB Flash supports graphic menu state machines and CAN-based diagnostic UDS stacks. The wide operating voltage range and -40C to +105C thermal rating accommodate dashboard-mounted HVAC modules that experience solar load and cold-start conditions. Integrated timers support PWM blower control without a separate motor controller.
推荐
Industrial CAN Node / Sensor Hub
Outside of automotive, the MC9S12HZ128VAL's robust CAN controller, industrial temperature grade, and 85 GPIO make it suitable for industrial sensor hubs that aggregate field-bus data. The 128KB Flash is ample for protocol stacks such as CANopen or DeviceNet, and the SPI/I2C ports connect to external ADCs or sensor front-ends. Although originally designed for automotive, the -40C to +105C rating and integrated peripherals allow deployment in factory-automation nodes where the 112-LQFP footprint and NXP toolchain (CodeWarrior, S32 Design Studio) reduce development risk.
推荐
Aftermarket Automotive Telematics
The MC9S12HZ128VAL serves as the core MCU in aftermarket telematics units that read CAN vehicle data, log trip information, and communicate via cellular or GPS add-on modules over SCI/SPI. Its automotive-grade temperature range, integrated CAN controller, and 128KB Flash allow the host MCU to run a small RTOS or CAN-UDS handler while leaving UART/SPI for the wireless modem. The 112-LQFP package supports compact telematics housing designs and the HCS12 deterministic interrupt response simplifies time-stamping of CAN frames.
推荐
推荐产品汇总
工程参考数据： MC9S12HZ128VAL ——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 | MC9S12HZ256VAL | S9S12HZ128J3VAL | MC9S12H256VFVE | S912XHZ512F1VAL | MC9S12XHZ256VAG |
|---|---|---|---|---|---|---|
| Package | 112-LQFP (20x20 mm) | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same | 144-LQFP | 112-LQFP (20x20 mm) - same | 144-LQFP |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS12 16-bit | HCS12 16-bit | HCS12 16-bit | HCS12 16-bit | S12X 16-bit | S12X with XGATE |
| Core Speed | 25 MHz | 25 MHz | 25 MHz | 50 MHz | 80 MHz | 40 MHz |
| Program Flash | 128 KB | 256 KB | 128 KB | 256 KB | 512 KB | 256 KB |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND |
关键差异点
- Integrated 24-channel MC PWM with stepper stall detectors （对比 MC9S12HZ256VAL)
- Same 112-LQFP footprint across H-family revisions （对比 MC9S12XHZ256VAG)
- Integrated LCD plus stepper drivers in one chip （对比 MC9S12H256VFVE (144-LQFP))
设计说明
The MC9S12HZ128VAL integrates an on-chip voltage regulator accepting a wide external supply. Decouple VDD/VDDR/VSS with a 100 nF ceramic close to each pin pair and a bulk 10 uF tantalum or aluminum-polymer capacitor within 25 mm of the package. The VDDX domain powering the GPIO drivers has separate supply pins; tie VDDX directly to VDD through a ferrite bead only if isolation of digital switching noise from sensitive analog pins is required, otherwise strap VDDX directly to VDD.
Place the EXTAL/XTAL crystal or external clock within 10 mm of the oscillator pins and guard the traces with a ground pour to minimize radiated EMI. The 112-LQFP package has a thermal pad on the underside; although the HCS12 dissipates relatively little power (typically < 500 mW), stitching vias under the thermal pad and a continuous ground plane improve EMC and thermal performance. The 24 MC PWM outputs are high-current drivers - route these on a separate PCB layer or with widened traces to limit voltage drop on gauge coils.
Because the MC9S12HZ128VAL is marked NRND, verify last-time-buy windows via the NXP PCN system before committing to long-life automotive programs. When migrating to the S12X family (e.g. S912XHZ512F1VAL), the peripheral register map differs significantly and existing HCS12 firmware requires recompilation against the S12X core; do not assume drop-in software compatibility. Finally, ensure the BKGD pin is accessible for in-circuit debug - some layouts accidentally route BKGD to a non-bonded alternate function, which prevents background debug mode entry.
合规信息
Part is RoHS and REACH compliant per DigiKey listing. AEC-Q100 qualification assumed for the automotive HCS12 family; specific grade should be confirmed in the NXP qualification report. Lifecycle status NRND - new designs should target HCS12 successor or S12 MagniV family.
