MC9S12HZ128VAL - 16-bit HCS12 MCU, 128KB Flash, 112-LQFP | NXP
Référence : MC9S12HZ128VAL ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 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 Présentation
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.
Alternatives de remplacement direct pour MC9S12HZ128VAL — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MC9S12HZ128VAL (même facteur de forme et même empreinte) — différant par Package, Core Architecture, Product Type, Mounting Type, Flash Memory.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S12HZ256VAL
✅ Remplacement direct✓ En stock
$18.4 / unité
Voir la fiche technique →S9S12HZ128J3VAL
✅ Remplacement direct✓ En stock
$13.1 / unité
Voir la fiche technique →MC9S12H256VFVE
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$10.95 / unité
Voir la fiche technique →S912XHZ512F1VAL
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$16.4 / unité
Voir la fiche technique →MC9S12XHZ256VAG
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$15.2 / unité
Voir la fiche technique →MC9S12HZ128VAL Valeurs maximales et caractéristiques électriques
| 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 |
| Boîtier | 112-LQFP (20x20 mm) |
| Type de montage | Surface Mount |
| Connectivity | CANbus, EBI/EMI, I2C, SCI, SPI |
| Peripherals | LCD, Motor Control PWM, POR, PWM, WDT |
| Température de fonctionnement | -40C to +105C |
| Series | HCS12 (MCS12H family) |
| Statut RoHS | Compliant |
| Part Status | Not For New Designs (NRND) |
Configuration des broches de MC9S12HZ128VAL
| Broche 1 | VSS — Digital ground reference |
| Broche 2 | VDDR — Voltage regulator supply input |
| Broche 3 | VDD — Digital supply voltage |
| Broche 4 | XCLKS — Crystal oscillator select / mode control |
| Broche 5 | EXTAL — External clock/crystal input |
| Broche 6 | XTAL — Crystal oscillator output |
| Broche 7 | RESET — Active-low external reset input |
| Broche 8 | BKGD — Background debug mode / MODC |
| Broche 9 | TXCAN0 — CAN0 transmit output |
| Broche 10 | RXCAN0 — CAN0 receive input |
| Broche 11 | TXCAN1 — CAN1 transmit output (if present) |
| Broche 12 | RXCAN1 — CAN1 receive input (if present) |
| Broche 13 | PWM0 — Motor Control PWM channel 0 (high-current) |
| Broche 14 | PWM1 — Motor Control PWM channel 1 (high-current) |
| Broche 15 | PWM2 — Motor Control PWM channel 2 (high-current) |
| Broche 16 | PWM3 — Motor Control PWM channel 3 (high-current) |
| Broche 17 | PWM4 — Motor Control PWM channel 4 (high-current) |
| Broche 18 | PWM5 — Motor Control PWM channel 5 (high-current) |
| Broche 19 | PWM6 — Motor Control PWM channel 6 (high-current) |
| Broche 20 | PWM7 — Motor Control PWM channel 7 (high-current) |
| Broche 21 | PWM8 — Motor Control PWM channel 8 (high-current) |
| Broche 22 | PWM9 — Motor Control PWM channel 9 (high-current) |
| Broche 23 | PWM10 — Motor Control PWM channel 10 (high-current) |
| Broche 24 | PWM11 — Motor Control PWM channel 11 (high-current) |
| Broche 25 | SSD0 — Stepper stall detector input 0 |
| Broche 26 | SSD1 — Stepper stall detector input 1 |
| Broche 27 | SSD2 — Stepper stall detector input 2 |
| Broche 28 | SSD3 — Stepper stall detector input 3 |
| Broche 29 | LCD0 — LCD segment driver line 0 |
| Broche 30 | LCD1 — LCD segment driver line 1 |
| Broche 31 | LCD2 — LCD segment driver line 2 |
| Broche 32 | LCD3 — LCD segment driver line 3 |
| Broche 33 | LCD4 — LCD segment driver line 4 |
| Broche 34 | LCD5 — LCD segment driver line 5 |
| Broche 35 | LCD6 — LCD segment driver line 6 |
| Broche 36 | LCD7 — LCD segment driver line 7 |
| Broche 37 | LCD8 — LCD segment driver line 8 |
| Broche 38 | LCD9 — LCD segment driver line 9 |
| Broche 39 | LCD10 — LCD segment driver line 10 |
| Broche 40 | LCD11 — LCD segment driver line 11 |
| Broche 41 | LCD12 — LCD segment driver line 12 |
| Broche 42 | LCD13 — LCD segment driver line 13 |
| Broche 43 | LCD14 — LCD segment driver line 14 |
| Broche 44 | LCD15 — LCD segment driver line 15 |
| Broche 45 | LCD16 — LCD segment driver line 16 |
| Broche 46 | LCD17 — LCD segment driver line 17 |
| Broche 47 | LCD18 — LCD segment driver line 18 |
| Broche 48 | LCD19 — LCD segment driver line 19 |
| Broche 49 | LCD20 — LCD segment driver line 20 |
| Broche 50 | LCD21 — LCD segment driver line 21 |
| Broche 51 | LCD22 — LCD segment driver line 22 |
| Broche 52 | LCD23 — LCD segment driver line 23 |
| Broche 53 | LCD24 — LCD segment driver line 24 |
| Broche 54 | LCD25 — LCD segment driver line 25 |
| Broche 55 | LCD26 — LCD segment driver line 26 |
| Broche 56 | LCD27 — LCD segment driver line 27 |
| Broche 57 | LCD28 — LCD segment driver line 28 |
| Broche 58 | LCD29 — LCD segment driver line 29 |
| Broche 59 | LCD30 — LCD segment driver line 30 |
| Broche 60 | LCD31 — LCD segment driver line 31 |
| Broche 61 | LCD32 — LCD segment driver line 32 |
| Broche 62 | LCD33 — LCD segment driver line 33 |
| Broche 63 | LCD34 — LCD segment driver line 34 |
| Broche 64 | LCD35 — LCD segment driver line 35 |
| Broche 65 | LCD36 — LCD segment driver line 36 |
| Broche 66 | LCD37 — LCD segment driver line 37 |
| Broche 67 | LCD38 — LCD segment driver line 38 |
| Broche 68 | LCD39 — LCD segment driver line 39 |
| Broche 69 | PWM12 — Motor Control PWM channel 12 (high-current) |
| Broche 70 | PWM13 — Motor Control PWM channel 13 (high-current) |
| Broche 71 | PWM14 — Motor Control PWM channel 14 (high-current) |
| Broche 72 | PWM15 — Motor Control PWM channel 15 (high-current) |
| Broche 73 | PWM16 — Motor Control PWM channel 16 (high-current) |
| Broche 74 | PWM17 — Motor Control PWM channel 17 (high-current) |
| Broche 75 | PWM18 — Motor Control PWM channel 18 (high-current) |
| Broche 76 | PWM19 — Motor Control PWM channel 19 (high-current) |
| Broche 77 | PWM20 — Motor Control PWM channel 20 (high-current) |
| Broche 78 | PWM21 — Motor Control PWM channel 21 (high-current) |
| Broche 79 | PWM22 — Motor Control PWM channel 22 (high-current) |
| Broche 80 | PWM23 — Motor Control PWM channel 23 (high-current) |
| Broche 81 | PAD0 — General purpose I/O / analog input |
| Broche 82 | PAD1 — General purpose I/O / analog input |
| Broche 83 | PAD2 — General purpose I/O / analog input |
| Broche 84 | PAD3 — General purpose I/O / analog input |
| Broche 85 | PAD4 — General purpose I/O / analog input |
| Broche 86 | PAD5 — General purpose I/O / analog input |
| Broche 87 | PAD6 — General purpose I/O / analog input |
| Broche 88 | PAD7 — General purpose I/O / analog input |
| Broche 89 | PS0 — Port S bit 0 (SCI/SPI/I2C shared) |
| Broche 90 | PS1 — Port S bit 1 (SCI/SPI/I2C shared) |
| Broche 91 | PS2 — Port S bit 2 (SCI/SPI/I2C shared) |
| Broche 92 | PS3 — Port S bit 3 (SCI/SPI/I2C shared) |
| Broche 93 | PS4 — Port S bit 4 (SCI/SPI/I2C shared) |
| Broche 94 | PS5 — Port S bit 5 (SCI/SPI/I2C shared) |
| Broche 95 | PS6 — Port S bit 6 (SCI/SPI/I2C shared) |
| Broche 96 | PS7 — Port S bit 7 (SCI/SPI/I2C shared) |
| Broche 97 | PT0 — Port T bit 0 (timer / GPIO) |
| Broche 98 | PT1 — Port T bit 1 (timer / GPIO) |
| Broche 99 | PT2 — Port T bit 2 (timer / GPIO) |
| Broche 100 | PT3 — Port T bit 3 (timer / GPIO) |
| Broche 101 | PT4 — Port T bit 4 (timer / GPIO) |
| Broche 102 | PT5 — Port T bit 5 (timer / GPIO) |
| Broche 103 | PT6 — Port T bit 6 (timer / GPIO) |
| Broche 104 | PT7 — Port T bit 7 (timer / GPIO) |
| Broche 105 | EBI_DATA0 — External bus data bit 0 (when EBI enabled) |
| Broche 106 | EBI_DATA1 — External bus data bit 1 (when EBI enabled) |
| Broche 107 | EBI_ADDR0 — External bus address bit 0 (when EBI enabled) |
| Broche 108 | EBI_ADDR1 — External bus address bit 1 (when EBI enabled) |
| Broche 109 | VDDX — I/O supply voltage domain |
| Broche 110 | VSSX — I/O ground reference |
| Broche 111 | VDDA — Analog supply voltage (for ADC reference) |
| Broche 112 | VSSA — Analog ground reference |
Applications typiques
MC9S12HZ128VAL convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC9S12HZ128VAL — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 |
Principaux différenciateurs
- Integrated 24-channel MC PWM with stepper stall detectors (vs MC9S12HZ256VAL)
- Same 112-LQFP footprint across H-family revisions (vs MC9S12XHZ256VAG)
- Integrated LCD plus stepper drivers in one chip (vs MC9S12H256VFVE (144-LQFP))
Notes de conception
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.
Informations de conformité
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.
