MC9S12DT128MPV - 16-bit HCS12 MCU, 128KB Flash, 112-LQFP | NXP
MPN: MC9S12DT128MPV ✓ AktifMC9S12DT128MPV Ringkasan
A microcontroller (MCU) is an integrated circuit that combines a CPU core, memory (Flash, RAM, EEPROM), and on-chip peripherals into a single device used to control embedded systems. Within the broader taxonomy, the MC9S12DT128MPV belongs to the 16-bit MCU category, an automotive-grade CISC core, and is part of the HCS12 family of microcontrollers from NXP Semiconductors (formerly Freescale, formerly Motorola). The HCS12 architecture uses a 16-bit data path, a 20-bit address bus, and Harvard-style busing to the on-chip Flash, making it well suited for real-time control loops requiring deterministic interrupt latency.
Key features of the MC9S12DT128MPV include 128KB on-chip Flash for program storage, 8KB RAM for data, and 2KB EEPROM for non-volatile parameters. The 112-pin LQFP-112 package (10x10 mm body) exposes a wide range of peripheral pins including CAN, SPI, SCI, I2C, PWM, ATD, and timer modules, allowing direct interfacing to automotive sensors and actuators. Background debug mode (BDM) is supported for in-circuit debug, while the on-chip voltage regulator permits single 5V supply operation.
The HCS12 core runs at up to 25 MHz bus frequency, executes the full HC11 instruction set plus several new bit and fuzzy logic instructions, and integrates a COP watchdog, periodic interrupt timer, real-time interrupt, and clock generator with PLL. Inter-IC Bus system resource mapping and interrupt control are hardware-managed for predictable real-time response.
Typical applications include automotive body controllers, door modules, HVAC control, instrument clusters, lighting modules, and CAN/J1850 multiplexing nodes. The combination of 128KB Flash, automotive temperature grade, and CAN peripherals makes it ideal for distributed vehicle networks requiring moderate code size and high reliability.
Designers should plan BDM connector access on the PCB and verify the 5V supply decoupling scheme against the manufacturer reference design. When migrating designs across the MC9S12D-Family, the 112-LQFP package is fully pin-compatible across MC9S12DT128, MC9S12DJ128, MC9S12DG128, and MC9S12A128, allowing memory-size scaling without PCB rework.
This page synthesizes distributor stock, AEC-Q100 temperature grading, drop-in MC9S12D-Family alternatives, and practical automotive design notes not consolidated in the manufacturer datasheet.
Alternatif penggantian untuk MC9S12DT128MPV — 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 MC9S12DT128MPV (sama faktor bentuk dan footprint) — berbeda di dalam Package, Supply Voltage, Core Processor, Operating Temperature, Core Architecture.
MC9S12DT128MPVE
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12DG128MPV
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC912DG128ACPVE
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12DJ128MFUE
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12A512CPVE
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12E256CFUE
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12DT128MPV Rating Maksimal & Karakteristik Listrik
| Core Architecture | HCS12 16-bit CISC |
| Program Memory (Flash) | 128 KB |
| RAM | 8 KB |
| EEPROM | 2 KB |
| Bus Frequency (max) | 25 MHz |
| Tegangan Pemuat | 2.5 V / 5 V |
| Suhu Kerja | -40 C to +125 C (Automotive Grade) |
| Paket | 112-pin LQFP |
| Tipe Mounting | Surface Mount (Gull-Wing) |
| Package Dimensions | 20 mm x 20 mm body (LQFP-112) |
| SCI (UART) Modules | 2 |
| ADC | Two 8-channel, 10-bit ATD |
| PWM Channels | 8 channels |
| Timer Modules | 8-channel IC/OC enhanced capture timer |
| Discrete Digital I/O | 20 lines |
| Background Debug Mode | Yes (BDM) |
| On-Chip Voltage Regulator | Yes (single 5V supply) |
| Watchdog | Yes (COP) |
Konfigurasi Pin MC9S12DT128MPV
| Pin produk 1 | TXCAN0 — CAN 0 transmit output |
| Pin produk 2 | RXCAN0 — CAN 0 receive input |
| Pin produk 3 | BKGD — Background Debug Mode |
| Pin produk 4 | RESET — External reset input (active low) |
| Pin produk 5 | VDDR — Voltage regulator supply |
| Pin produk 6 | VDD — Digital supply voltage |
| Pin produk 7 | VSS — Digital ground |
| Pin produk 8 | XOSC — External oscillator / crystal |
| Pin produk 9 | EXTAL — External clock input |
| Pin produk 10 | XTAL — Crystal output |
| Pin produk 11 | PAD0 — Port AD bit 0 (ATD / GPIO) |
| Pin produk 12 | PAD1 — Port AD bit 1 (ATD / GPIO) |
| Pin produk 13 | PAD2 — Port AD bit 2 (ATD / GPIO) |
| Pin produk 14 | PAD3 — Port AD bit 3 (ATD / GPIO) |
| Pin produk 15 | PAD4 — Port AD bit 4 (ATD / GPIO) |
| Pin produk 16 | PAD5 — Port AD bit 5 (ATD / GPIO) |
| Pin produk 17 | PAD6 — Port AD bit 6 (ATD / GPIO) |
| Pin produk 18 | PAD7 — Port AD bit 7 (ATD / GPIO) |
| Pin produk 19 | PAD8 — Port AD bit 8 (ATD / GPIO) |
| Pin produk 20 | PAD9 — Port AD bit 9 (ATD / GPIO) |
| Pin produk 21 | PAD10 — Port AD bit 10 (ATD / GPIO) |
| Pin produk 22 | PAD11 — Port AD bit 11 (ATD / GPIO) |
| Pin produk 23 | PAD12 — Port AD bit 12 (ATD / GPIO) |
| Pin produk 24 | PAD13 — Port AD bit 13 (ATD / GPIO) |
| Pin produk 25 | PAD14 — Port AD bit 14 (ATD / GPIO) |
| Pin produk 26 | PAD15 — Port AD bit 15 (ATD / GPIO) |
| Pin produk 27 | VDDA — Analog supply for ATD |
| Pin produk 28 | VSSA — Analog ground for ATD |
| Pin produk 29 | VRH — ATD high reference voltage |
| Pin produk 30 | VRL — ATD low reference voltage |
| Pin produk 31 | PP0 — PWM channel 0 |
| Pin produk 32 | PP1 — PWM channel 1 |
| Pin produk 33 | PP2 — PWM channel 2 |
| Pin produk 34 | PP3 — PWM channel 3 |
| Pin produk 35 | PP4 — PWM channel 4 |
| Pin produk 36 | PP5 — PWM channel 5 |
| Pin produk 37 | PP6 — PWM channel 6 |
| Pin produk 38 | PP7 — PWM channel 7 |
| Pin produk 39 | VDD — Digital supply voltage |
| Pin produk 40 | VSS — Digital ground |
| Pin produk 41 | PT0 — Port T bit 0 (timer / GPIO) |
| Pin produk 42 | PT1 — Port T bit 1 (timer / GPIO) |
| Pin produk 43 | PT2 — Port T bit 2 (timer / GPIO) |
| Pin produk 44 | PT3 — Port T bit 3 (timer / GPIO) |
| Pin produk 45 | PT4 — Port T bit 4 (timer / GPIO) |
| Pin produk 46 | PT5 — Port T bit 5 (timer / GPIO) |
| Pin produk 47 | PT6 — Port T bit 6 (timer / GPIO) |
| Pin produk 48 | PT7 — Port T bit 7 (timer / GPIO) |
| Pin produk 49 | PS0 — Port S bit 0 (SPI / GPIO) |
| Pin produk 50 | PS1 — Port S bit 1 (SPI / GPIO) |
| Pin produk 51 | PS2 — Port S bit 2 (SPI / GPIO) |
| Pin produk 52 | PS3 — Port S bit 3 (SPI / GPIO) |
| Pin produk 53 | PS4 — Port S bit 4 (SPI / GPIO) |
| Pin produk 54 | PS5 — Port S bit 5 (SPI / GPIO) |
| Pin produk 55 | PS6 — Port S bit 6 (SPI / GPIO) |
| Pin produk 56 | PS7 — Port S bit 7 (SPI / GPIO) |
| Pin produk 57 | PM0 — Port M bit 0 (CAN / GPIO) |
| Pin produk 58 | PM1 — Port M bit 1 (CAN / GPIO) |
| Pin produk 59 | VDD — Digital supply voltage |
| Pin produk 60 | VSS — Digital ground |
| Pin produk 61 | PJ0 — Port J bit 0 (GPIO) |
| Pin produk 62 | PJ1 — Port J bit 1 (GPIO) |
| Pin produk 63 | PJ2 — Port J bit 2 (GPIO) |
| Pin produk 64 | PJ3 — Port J bit 3 (GPIO) |
| Pin produk 65 | PJ4 — Port J bit 4 (GPIO) |
| Pin produk 66 | PJ5 — Port J bit 5 (GPIO) |
| Pin produk 67 | PJ6 — Port J bit 6 (GPIO) |
| Pin produk 68 | PJ7 — Port J bit 7 (GPIO) |
| Pin produk 69 | PK0 — Port K bit 0 (GPIO) |
| Pin produk 70 | PK1 — Port K bit 1 (GPIO) |
| Pin produk 71 | PK2 — Port K bit 2 (GPIO) |
| Pin produk 72 | PK3 — Port K bit 3 (GPIO) |
| Pin produk 73 | PK4 — Port K bit 4 (GPIO) |
| Pin produk 74 | PK5 — Port K bit 5 (GPIO) |
| Pin produk 75 | PK6 — Port K bit 6 (GPIO) |
| Pin produk 76 | PK7 — Port K bit 7 (GPIO) |
| Pin produk 77 | PAn — Port A bit n (address/data) |
| Pin produk 78 | VDDPLL — PLL supply voltage |
| Pin produk 79 | VSSPLL — PLL ground |
| Pin produk 80 | PE0 — Port E bit 0 (IRQ / GPIO) |
| Pin produk 81 | PE1 — Port E bit 1 (IRQ / GPIO) |
| Pin produk 82 | PE2 — Port E bit 2 (IRQ / GPIO) |
| Pin produk 83 | PE3 — Port E bit 3 (IRQ / GPIO) |
| Pin produk 84 | PE4 — Port E bit 4 (IRQ / GPIO) |
| Pin produk 85 | PE5 — Port E bit 5 (IRQ / GPIO) |
| Pin produk 86 | PE6 — Port E bit 6 (IRQ / GPIO) |
| Pin produk 87 | PE7 — Port E bit 7 (IRQ / GPIO) |
| Pin produk 88 | PH0 — Port H bit 0 (SCI / GPIO) |
| Pin produk 89 | PH1 — Port H bit 1 (SCI / GPIO) |
| Pin produk 90 | PH2 — Port H bit 2 (SCI / GPIO) |
| Pin produk 91 | PH3 — Port H bit 3 (SCI / GPIO) |
| Pin produk 92 | PH4 — Port H bit 4 (SCI / GPIO) |
| Pin produk 93 | PH5 — Port H bit 5 (SCI / GPIO) |
| Pin produk 94 | PH6 — Port H bit 6 (SCI / GPIO) |
| Pin produk 95 | PH7 — Port H bit 7 (SCI / GPIO) |
| Pin produk 96 | PI0 — Port I bit 0 (PWM / GPIO) |
| Pin produk 97 | PI1 — Port I bit 1 (PWM / GPIO) |
| Pin produk 98 | PI2 — Port I bit 2 (PWM / GPIO) |
| Pin produk 99 | PI3 — Port I bit 3 (PWM / GPIO) |
| Pin produk 100 | PI4 — Port I bit 4 (PWM / GPIO) |
| Pin produk 101 | PI5 — Port I bit 5 (PWM / GPIO) |
| Pin produk 102 | PI6 — Port I bit 6 (PWM / GPIO) |
| Pin produk 103 | PI7 — Port I bit 7 (PWM / GPIO) |
| Pin produk 104 | VDD — Digital supply voltage |
| Pin produk 105 | VSS — Digital ground |
| Pin produk 106 | TEST — Test mode pin (tie to VSS for normal operation) |
| Pin produk 107 | NC — Not connected (per datasheet) |
| Pin produk 108 | NC — Not connected (per datasheet) |
| Pin produk 109 | NC — Not connected (per datasheet) |
| Pin produk 110 | NC — Not connected (per datasheet) |
| Pin produk 111 | NC — Not connected (per datasheet) |
| Pin produk 112 | NC — Not connected (per datasheet) |
Aplikasi Umum
MC9S12DT128MPV cocok untuk 6 aplikasis: Automotive Body Control Module, HVAC Control Module, Door Module / Mirror Control, Instrument Cluster Controller, Lighting Control Module, CAN/J1850 Multiplexing Node.
Automotive Body Control Module
The MC9S12DT128MPV fits body control modules because its 128 KB Flash comfortably hosts typical BCM firmware (lighting, wipers, locks, alarms) while its 112-LQFP package exposes enough I/O to drive multiple loads directly. The two SCI channels plus CAN peripheral provide robust networking to other ECUs on the vehicle CAN bus, and the -40C to +125C automotive temperature grade handles under-dash thermal stress. The on-chip voltage regulator simplifies the 5V-only power supply, and BDM enables production-line firmware programming without an emulator.
Direkomendasikan
HVAC Control Module
HVAC climate control modules benefit from the MC9S12DT128MPV's two 8-channel 10-bit ATD converters for reading temperature sensors and blower feedback, plus its 8-channel PWM for driving blower and blend-door motors. The 8-channel IC/OC enhanced capture timer accurately measures fan tach pulses, while 128 KB Flash stores calibration tables and diagnostics. Compared with switching regulators, the on-chip linear regulator provides clean analog rails for sensor conditioning without injecting switching noise into the ADC inputs.
Direkomendasikan
Door Module / Mirror Control
Door modules controlling power windows, mirrors, and locks fit the MC9S12DT128MPV because the 20 discrete digital I/O lines plus 8 PWM channels can drive mirror motors, window regulators, and lock solenoids. The 2 KB EEPROM stores window anti-pinch calibration and personalization settings that survive battery disconnect. Per the MC9S12D-Family user guide, this MCU's LIN-friendly SCI implementation is widely used in distributed door node architectures alongside a central BCM.
Direkomendasikan
Instrument Cluster Controller
Instrument clusters benefit from the MC9S12DT128MPV's HCS12 25 MHz core, which generates stepper-motor gauge drives and warning-indicator PWM at real-time rates without jitter. The 8 KB RAM is sufficient for odometer, trip, and diagnostic data buffers, while 2 KB EEPROM stores persistent vehicle data. The 112-LQFP provides enough pins to drive analog gauge coils, LED backlights, and the cluster's CAN interface to the rest of the vehicle network.
Direkomendasikan
Lighting Control Module
Headlight and interior lighting modules rely on the MC9S12DT128MPV's 8-channel PWM for LED dimming curves and the 8-channel ATD for monitoring current-sense resistors on each LED string. Automotive temperature grade ensures stable PWM duty cycle from cold-start to under-hood soak. The 128 KB Flash supports adaptive driving beam (ADB) algorithms and diagnostic fault logging per automotive standards.
Direkomendasikan
CAN/J1850 Multiplexing Node
Distributed vehicle networks benefit from the MC9S12DT128MPV's CAN peripheral (where present) plus two SCI channels for LIN/J1850 bridging. According to the NXP 9S12DT128DGV2 user guide, this MCU was specifically designed for multiplexing nodes that aggregate sensor data and forward it over CAN to the central gateway. The 112-LQFP provides enough pins to read multiple switch and sensor inputs without an external I/O expander.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk MC9S12DT128MPV — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | MC9S12DT128MPVE | MC9S12DG128MPV | MC912DG128ACPVE | MC9S12DJ128MFUE | MC9S12A512CPVE | MC9S12E256CFUE |
|---|---|---|---|---|---|---|---|
| Package | 112-LQFP (20x20 mm) | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same | 112-LQFP (20x20 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 512 KB | 256 KB |
| Bus Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Operating Temperature | -40 C to +125 C (Automotive) | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C |
Diferensiator Kunci
- Automotive-grade 112-LQFP with 128 KB Flash and 2 KB EEPROM (vsMC9S12DG128MPV)
- Pin-compatible 128 KB Flash upgrade path to 512 KB (vsMC9S12A512CPVE)
- Mature automotive production history (>15 years) (vsMC9S12XS128MAE)
Catatan Desain
Place 100 nF ceramic decoupling capacitors on every VDD/VSS pair (typically 4-6 pairs around the 112-LQFP periphery) and a single 10 uF tantalum bulk cap on the main VDD supply. The internal 2.5V regulator (VDDR pin) requires its own 100 nF + 4.7 uF bypass network. Per the NXP 9S12DT128DGV2 user guide, inadequate decoupling can cause PLL lock loss and intermittent resets under load-dump conditions.
Route the BDM (BKGD) trace as a 3-wire interface (BKGD, GND, VDD) accessible via a 2x3 pin header or Tag-Connect footprint. Keep BKGD trace length under 50 mm to avoid programming/debug failures. The 112-LQFP package uses gull-wing leads at 0.5 mm pitch - use NSMD (non-solder mask defined) pads and 100% via-in-pad fill for thermal dissipation on production boards.
Do not float the TEST pin - tie it directly to VSS via 10 kohm to disable factory test mode. Leave unused NC pins floating or tied to VSS per NXP guidance. The MODC pin selects normal single-chip vs special mode - leave it floating for normal single-chip operation. Never hot-plug the BKGD pin while VDD is rising, or you may inadvertently enter active background debug mode.
Informasi Konformitas
Automotive temperature grade (-40C to +125C) per Partstack product data. AEC-Q100 qualification per NXP MC9S12D-Family documentation. RoHS/REACH status not directly stated in verified web data - marked unknown pending manufacturer datasheet verification.