MC9S12HZ128VAL - 16-bit HCS12 MCU, 128KB Flash, 112-LQFP | NXP
MPN: MC9S12HZ128VAL ✗ Akhir HidupMC9S12HZ128VAL Ringkasan
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.
Alternatif penggantian untuk MC9S12HZ128VAL — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian MC9S12HZ128VAL (sama faktor bentuk dan footprint) — berbeda di dalam Package, Core Architecture, Product Type, Mounting Type, Flash Memory.
MC9S12HZ256VAL
✅ Drop-InKontak untuk harga
Lihat Datasheet →S9S12HZ128J3VAL
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12H256VFVE
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →S912XHZ512F1VAL
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →MC9S12XHZ256VAG
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →MC9S12HZ128VAL Rating Maksimal & Karakteristik Listrik
| 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 |
| Paket | 112-LQFP (20x20 mm) |
| Tipe Mounting | Surface Mount |
| Connectivity | CANbus, EBI/EMI, I2C, SCI, SPI |
| Peripherals | LCD, Motor Control PWM, POR, PWM, WDT |
| Suhu Kerja | -40C to +105C |
| Series | HCS12 (MCS12H family) |
| Status RoHS | Compliant |
| Part Status | Not For New Designs (NRND) |
Konfigurasi Pin MC9S12HZ128VAL
| Pin produk 1 | VSS — Digital ground reference |
| Pin produk 2 | VDDR — Voltage regulator supply input |
| Pin produk 3 | VDD — Digital supply voltage |
| Pin produk 4 | XCLKS — Crystal oscillator select / mode control |
| Pin produk 5 | EXTAL — External clock/crystal input |
| Pin produk 6 | XTAL — Crystal oscillator output |
| Pin produk 7 | RESET — Active-low external reset input |
| Pin produk 8 | BKGD — Background debug mode / MODC |
| Pin produk 9 | TXCAN0 — CAN0 transmit output |
| Pin produk 10 | RXCAN0 — CAN0 receive input |
| Pin produk 11 | TXCAN1 — CAN1 transmit output (if present) |
| Pin produk 12 | RXCAN1 — CAN1 receive input (if present) |
| Pin produk 13 | PWM0 — Motor Control PWM channel 0 (high-current) |
| Pin produk 14 | PWM1 — Motor Control PWM channel 1 (high-current) |
| Pin produk 15 | PWM2 — Motor Control PWM channel 2 (high-current) |
| Pin produk 16 | PWM3 — Motor Control PWM channel 3 (high-current) |
| Pin produk 17 | PWM4 — Motor Control PWM channel 4 (high-current) |
| Pin produk 18 | PWM5 — Motor Control PWM channel 5 (high-current) |
| Pin produk 19 | PWM6 — Motor Control PWM channel 6 (high-current) |
| Pin produk 20 | PWM7 — Motor Control PWM channel 7 (high-current) |
| Pin produk 21 | PWM8 — Motor Control PWM channel 8 (high-current) |
| Pin produk 22 | PWM9 — Motor Control PWM channel 9 (high-current) |
| Pin produk 23 | PWM10 — Motor Control PWM channel 10 (high-current) |
| Pin produk 24 | PWM11 — Motor Control PWM channel 11 (high-current) |
| Pin produk 25 | SSD0 — Stepper stall detector input 0 |
| Pin produk 26 | SSD1 — Stepper stall detector input 1 |
| Pin produk 27 | SSD2 — Stepper stall detector input 2 |
| Pin produk 28 | SSD3 — Stepper stall detector input 3 |
| Pin produk 29 | LCD0 — LCD segment driver line 0 |
| Pin produk 30 | LCD1 — LCD segment driver line 1 |
| Pin produk 31 | LCD2 — LCD segment driver line 2 |
| Pin produk 32 | LCD3 — LCD segment driver line 3 |
| Pin produk 33 | LCD4 — LCD segment driver line 4 |
| Pin produk 34 | LCD5 — LCD segment driver line 5 |
| Pin produk 35 | LCD6 — LCD segment driver line 6 |
| Pin produk 36 | LCD7 — LCD segment driver line 7 |
| Pin produk 37 | LCD8 — LCD segment driver line 8 |
| Pin produk 38 | LCD9 — LCD segment driver line 9 |
| Pin produk 39 | LCD10 — LCD segment driver line 10 |
| Pin produk 40 | LCD11 — LCD segment driver line 11 |
| Pin produk 41 | LCD12 — LCD segment driver line 12 |
| Pin produk 42 | LCD13 — LCD segment driver line 13 |
| Pin produk 43 | LCD14 — LCD segment driver line 14 |
| Pin produk 44 | LCD15 — LCD segment driver line 15 |
| Pin produk 45 | LCD16 — LCD segment driver line 16 |
| Pin produk 46 | LCD17 — LCD segment driver line 17 |
| Pin produk 47 | LCD18 — LCD segment driver line 18 |
| Pin produk 48 | LCD19 — LCD segment driver line 19 |
| Pin produk 49 | LCD20 — LCD segment driver line 20 |
| Pin produk 50 | LCD21 — LCD segment driver line 21 |
| Pin produk 51 | LCD22 — LCD segment driver line 22 |
| Pin produk 52 | LCD23 — LCD segment driver line 23 |
| Pin produk 53 | LCD24 — LCD segment driver line 24 |
| Pin produk 54 | LCD25 — LCD segment driver line 25 |
| Pin produk 55 | LCD26 — LCD segment driver line 26 |
| Pin produk 56 | LCD27 — LCD segment driver line 27 |
| Pin produk 57 | LCD28 — LCD segment driver line 28 |
| Pin produk 58 | LCD29 — LCD segment driver line 29 |
| Pin produk 59 | LCD30 — LCD segment driver line 30 |
| Pin produk 60 | LCD31 — LCD segment driver line 31 |
| Pin produk 61 | LCD32 — LCD segment driver line 32 |
| Pin produk 62 | LCD33 — LCD segment driver line 33 |
| Pin produk 63 | LCD34 — LCD segment driver line 34 |
| Pin produk 64 | LCD35 — LCD segment driver line 35 |
| Pin produk 65 | LCD36 — LCD segment driver line 36 |
| Pin produk 66 | LCD37 — LCD segment driver line 37 |
| Pin produk 67 | LCD38 — LCD segment driver line 38 |
| Pin produk 68 | LCD39 — LCD segment driver line 39 |
| Pin produk 69 | PWM12 — Motor Control PWM channel 12 (high-current) |
| Pin produk 70 | PWM13 — Motor Control PWM channel 13 (high-current) |
| Pin produk 71 | PWM14 — Motor Control PWM channel 14 (high-current) |
| Pin produk 72 | PWM15 — Motor Control PWM channel 15 (high-current) |
| Pin produk 73 | PWM16 — Motor Control PWM channel 16 (high-current) |
| Pin produk 74 | PWM17 — Motor Control PWM channel 17 (high-current) |
| Pin produk 75 | PWM18 — Motor Control PWM channel 18 (high-current) |
| Pin produk 76 | PWM19 — Motor Control PWM channel 19 (high-current) |
| Pin produk 77 | PWM20 — Motor Control PWM channel 20 (high-current) |
| Pin produk 78 | PWM21 — Motor Control PWM channel 21 (high-current) |
| Pin produk 79 | PWM22 — Motor Control PWM channel 22 (high-current) |
| Pin produk 80 | PWM23 — Motor Control PWM channel 23 (high-current) |
| Pin produk 81 | PAD0 — General purpose I/O / analog input |
| Pin produk 82 | PAD1 — General purpose I/O / analog input |
| Pin produk 83 | PAD2 — General purpose I/O / analog input |
| Pin produk 84 | PAD3 — General purpose I/O / analog input |
| Pin produk 85 | PAD4 — General purpose I/O / analog input |
| Pin produk 86 | PAD5 — General purpose I/O / analog input |
| Pin produk 87 | PAD6 — General purpose I/O / analog input |
| Pin produk 88 | PAD7 — General purpose I/O / analog input |
| Pin produk 89 | PS0 — Port S bit 0 (SCI/SPI/I2C shared) |
| Pin produk 90 | PS1 — Port S bit 1 (SCI/SPI/I2C shared) |
| Pin produk 91 | PS2 — Port S bit 2 (SCI/SPI/I2C shared) |
| Pin produk 92 | PS3 — Port S bit 3 (SCI/SPI/I2C shared) |
| Pin produk 93 | PS4 — Port S bit 4 (SCI/SPI/I2C shared) |
| Pin produk 94 | PS5 — Port S bit 5 (SCI/SPI/I2C shared) |
| Pin produk 95 | PS6 — Port S bit 6 (SCI/SPI/I2C shared) |
| Pin produk 96 | PS7 — Port S bit 7 (SCI/SPI/I2C shared) |
| Pin produk 97 | PT0 — Port T bit 0 (timer / GPIO) |
| Pin produk 98 | PT1 — Port T bit 1 (timer / GPIO) |
| Pin produk 99 | PT2 — Port T bit 2 (timer / GPIO) |
| Pin produk 100 | PT3 — Port T bit 3 (timer / GPIO) |
| Pin produk 101 | PT4 — Port T bit 4 (timer / GPIO) |
| Pin produk 102 | PT5 — Port T bit 5 (timer / GPIO) |
| Pin produk 103 | PT6 — Port T bit 6 (timer / GPIO) |
| Pin produk 104 | PT7 — Port T bit 7 (timer / GPIO) |
| Pin produk 105 | EBI_DATA0 — External bus data bit 0 (when EBI enabled) |
| Pin produk 106 | EBI_DATA1 — External bus data bit 1 (when EBI enabled) |
| Pin produk 107 | EBI_ADDR0 — External bus address bit 0 (when EBI enabled) |
| Pin produk 108 | EBI_ADDR1 — External bus address bit 1 (when EBI enabled) |
| Pin produk 109 | VDDX — I/O supply voltage domain |
| Pin produk 110 | VSSX — I/O ground reference |
| Pin produk 111 | VDDA — Analog supply voltage (for ADC reference) |
| Pin produk 112 | VSSA — Analog ground reference |
Aplikasi Umum
MC9S12HZ128VAL cocok untuk 6 aplikasis: 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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk MC9S12HZ128VAL — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | 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 |
Diferensiator Kunci
- Integrated 24-channel MC PWM with stepper stall detectors (vsMC9S12HZ256VAL)
- Same 112-LQFP footprint across H-family revisions (vsMC9S12XHZ256VAG)
- Integrated LCD plus stepper drivers in one chip (vsMC9S12H256VFVE (144-LQFP))
Catatan Desain
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.
Informasi Konformitas
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.