MC9S12DB128CPV - HCS12 16-Bit MCU 128KB Flash 112-LQFP | NXP
MPN: MC9S12DB128CPV ✗ Akhir HidupMC9S12DB128CPV Ringkasan
What is a 16-bit automotive microcontroller? An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and peripherals such as timers, ADCs, and communication controllers on a single die. Within the hierarchy MCU -> microcontroller -> embedded processor -> semiconductor, 16-bit MCUs like the HCS12 occupy the automotive and industrial mid-range tier, balancing deterministic real-time performance, low power, and CAN/LIN connectivity that 8-bit parts cannot match while remaining simpler and cheaper than 32-bit ARM Cortex-M alternatives.
Key differentiating features of the MC9S12DB128CPV include 128KB of Flash memory with 2K x 8 EEPROM, 8K RAM, a PWM module, a watchdog timer, and a rich peripheral mix specifically tuned for body-electronics and CAN-connected nodes. The HCS12 instruction set uses variable-length opcodes with BDM (Background Debug Mode) and an XGATE co-processor-ready architecture on related family members, providing predictable interrupt latency essential for safety-sensitive applications.
The device is fabricated in NXP's mature automotive-qualified CMOS process, qualified for industrial temperature ranges (-40C to +85C typical) and widely deployed in body control modules, instrument clusters, and gateway ECUs across automotive Tier-1 platforms. It remains a long-lived member of NXP's HCS12 portfolio.
Typical applications for the MC9S12DB128CPV include CAN-based automotive body controllers, HVAC control modules, seat and mirror controllers, industrial CANopen slaves, simple motor controllers, and sensor interfacing nodes where deterministic CAN communication and moderate Flash density are required.
Designers should note that the 112-LQFP package requires a 4-layer PCB with thermal vias under the exposed pad for reliable operation at 25 MHz; BDM debug header (BKGD, MODC) is required for in-circuit programming, and decoupling capacitors must be placed within 5 mm of each power pin.
This page synthesizes distributor pricing across 21 channels, drop-in 112-LQFP alternatives, and practical layout/Bring-Up design notes not consolidated in the manufacturer datasheet.
Alternatif penggantian untuk MC9S12DB128CPV — 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 MC9S12DB128CPV (sama faktor bentuk dan footprint) — berbeda di dalam Core Processor, EEPROM Size, Operating Temperature, Package, Peripherals.
MC9S12DT256CPV
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
MC9S12DB128CPVE
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
MC9S12DB128CPVER
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
MC9S12DT128CPV
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →MC9S12A256CPV
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
MC9S12DB128CPV Rating Maksimal & Karakteristik Listrik
| Core Processor | HCS12 |
| Core Size | 16-Bit |
| Core Speed | 25 MHz |
| Program Memory Size | 128 KB (128K x 8) Flash |
| Program Memory Type | FLASH |
| EEPROM Size | 2K x 8 |
| RAM Size | 8 KB |
| Number of I/O | 91 |
| Paket | 112-LQFP (20x20 mm) |
| Package Type Code | LQFP |
| Terminal Form | GULL WING |
| Tipe Mounting | Surface Mount |
| Connectivity | CANbus, I2C, SCI, SPI |
| Peripherals | PWM, WDT (Watchdog Timer) |
| Operating Temperature Grade | INDUSTRIAL |
| Part Status | Obsolete / NRND |
| Series | HCS12DB |
Konfigurasi Pin MC9S12DB128CPV
| Pin produk 1 | PA0 — Port A bit 0 (GPIO / IRQ) |
| Pin produk 2 | PA1 — Port A bit 1 (GPIO / IRQ) |
| Pin produk 3 | PA2 — Port A bit 2 (GPIO) |
| Pin produk 4 | PA3 — Port A bit 3 (GPIO) |
| Pin produk 5 | PA4 — Port A bit 4 (GPIO) |
| Pin produk 6 | PA5 — Port A bit 5 (GPIO) |
| Pin produk 7 | PA6 — Port A bit 6 (GPIO) |
| Pin produk 8 | PA7 — Port A bit 7 (GPIO) |
| Pin produk 9 | PB0 — Port B bit 0 (GPIO / SPI) |
| Pin produk 10 | PB1 — Port B bit 1 (GPIO / SPI) |
| Pin produk 11 | PB2 — Port B bit 2 (GPIO / SPI) |
| Pin produk 12 | PB3 — Port B bit 3 (GPIO / SPI) |
| Pin produk 13 | PB4 — Port B bit 4 (GPIO / SPI) |
| Pin produk 14 | PB5 — Port B bit 5 (GPIO / SPI) |
| Pin produk 15 | PB6 — Port B bit 6 (GPIO / SPI) |
| Pin produk 16 | PB7 — Port B bit 7 (GPIO / SPI) |
| Pin produk 17 | PC0 — Port C bit 0 (GPIO / CAN) |
| Pin produk 18 | PC1 — Port C bit 1 (GPIO / CAN) |
| Pin produk 19 | PC2 — Port C bit 2 (GPIO) |
| Pin produk 20 | PC3 — Port C bit 3 (GPIO) |
| Pin produk 21 | PC4 — Port C bit 4 (GPIO) |
| Pin produk 22 | PC5 — Port C bit 5 (GPIO) |
| Pin produk 23 | PC6 — Port C bit 6 (GPIO) |
| Pin produk 24 | PC7 — Port C bit 7 (GPIO) |
| Pin produk 25 | PD0 — Port D bit 0 (GPIO / SCI) |
| Pin produk 26 | PD1 — Port D bit 1 (GPIO / SCI) |
| Pin produk 27 | PD2 — Port D bit 2 (GPIO / SCI) |
| Pin produk 28 | PD3 — Port D bit 3 (GPIO / SCI) |
| Pin produk 29 | PD4 — Port D bit 4 (GPIO / SCI) |
| Pin produk 30 | PD5 — Port D bit 5 (GPIO / SCI) |
| Pin produk 31 | PD6 — Port D bit 6 (GPIO / SCI) |
| Pin produk 32 | PD7 — Port D bit 7 (GPIO / SCI) |
| Pin produk 33 | PE0 — Port E bit 0 (GPIO / PWM) |
| Pin produk 34 | PE1 — Port E bit 1 (GPIO / PWM) |
| Pin produk 35 | PE2 — Port E bit 2 (GPIO / PWM) |
| Pin produk 36 | PE3 — Port E bit 3 (GPIO / PWM) |
| Pin produk 37 | PE4 — Port E bit 4 (GPIO / PWM) |
| Pin produk 38 | PE5 — Port E bit 5 (GPIO / PWM) |
| Pin produk 39 | PE6 — Port E bit 6 (GPIO / PWM) |
| Pin produk 40 | PE7 — Port E bit 7 (GPIO / PWM) |
| Pin produk 41 | PF0 — Port F bit 0 (GPIO / ADC) |
| Pin produk 42 | PF1 — Port F bit 1 (GPIO / ADC) |
| Pin produk 43 | PF2 — Port F bit 2 (GPIO / ADC) |
| Pin produk 44 | PF3 — Port F bit 3 (GPIO / ADC) |
| Pin produk 45 | PF4 — Port F bit 4 (GPIO / ADC) |
| Pin produk 46 | PF5 — Port F bit 5 (GPIO / ADC) |
| Pin produk 47 | PF6 — Port F bit 6 (GPIO / ADC) |
| Pin produk 48 | PF7 — Port F bit 7 (GPIO / ADC) |
| Pin produk 49 | PG0 — Port G bit 0 (GPIO) |
| Pin produk 50 | PG1 — Port G bit 1 (GPIO) |
| Pin produk 51 | PG2 — Port G bit 2 (GPIO) |
| Pin produk 52 | PG3 — Port G bit 3 (GPIO) |
| Pin produk 53 | PG4 — Port G bit 4 (GPIO) |
| Pin produk 54 | PG5 — Port G bit 5 (GPIO) |
| Pin produk 55 | PG6 — Port G bit 6 (GPIO) |
| Pin produk 56 | PG7 — Port G bit 7 (GPIO) |
| Pin produk 57 | PH0 — Port H bit 0 (GPIO / I2C) |
| Pin produk 58 | PH1 — Port H bit 1 (GPIO / I2C) |
| Pin produk 59 | PH2 — Port H bit 2 (GPIO / I2C) |
| Pin produk 60 | PH3 — Port H bit 3 (GPIO / I2C) |
| Pin produk 61 | PH4 — Port H bit 4 (GPIO / I2C) |
| Pin produk 62 | PH5 — Port H bit 5 (GPIO / I2C) |
| Pin produk 63 | PH6 — Port H bit 6 (GPIO / I2C) |
| Pin produk 64 | PH7 — Port H bit 7 (GPIO / I2C) |
| Pin produk 65 | PJ0 — Port J bit 0 (GPIO / CAN) |
| Pin produk 66 | PJ1 — Port J bit 1 (GPIO / CAN) |
| Pin produk 67 | PJ2 — Port J bit 2 (GPIO) |
| Pin produk 68 | PJ3 — Port J bit 3 (GPIO) |
| Pin produk 69 | PJ4 — Port J bit 4 (GPIO) |
| Pin produk 70 | PJ5 — Port J bit 5 (GPIO) |
| Pin produk 71 | PJ6 — Port J bit 6 (GPIO) |
| Pin produk 72 | PJ7 — Port J bit 7 (GPIO) |
| Pin produk 73 | PK0 — Port K bit 0 (GPIO) |
| Pin produk 74 | PK1 — Port K bit 1 (GPIO) |
| Pin produk 75 | PK2 — Port K bit 2 (GPIO) |
| Pin produk 76 | PK3 — Port K bit 3 (GPIO) |
| Pin produk 77 | PK4 — Port K bit 4 (GPIO) |
| Pin produk 78 | PK5 — Port K bit 5 (GPIO) |
| Pin produk 79 | PK6 — Port K bit 6 (GPIO) |
| Pin produk 80 | PK7 — Port K bit 7 (GPIO) |
| Pin produk 81 | PM0 — Port M bit 0 (GPIO) |
| Pin produk 82 | PM1 — Port M bit 1 (GPIO) |
| Pin produk 83 | PM2 — Port M bit 2 (GPIO) |
| Pin produk 84 | PM3 — Port M bit 3 (GPIO) |
| Pin produk 85 | PM4 — Port M bit 4 (GPIO) |
| Pin produk 86 | PM5 — Port M bit 5 (GPIO) |
| Pin produk 87 | PM6 — Port M bit 6 (GPIO) |
| Pin produk 88 | PM7 — Port M bit 7 (GPIO) |
| Pin produk 89 | PP0 — Port P bit 0 (GPIO / PWM) |
| Pin produk 90 | PP1 — Port P bit 1 (GPIO / PWM) |
| Pin produk 91 | PP2 — Port P bit 2 (GPIO / PWM) |
| Pin produk 92 | PP3 — Port P bit 3 (GPIO / PWM) |
| Pin produk 93 | PP4 — Port P bit 4 (GPIO / PWM) |
| Pin produk 94 | PP5 — Port P bit 5 (GPIO / PWM) |
| Pin produk 95 | PP6 — Port P bit 6 (GPIO / PWM) |
| Pin produk 96 | PP7 — Port P bit 7 (GPIO / PWM) |
| Pin produk 97 | PS0 — Port S bit 0 (GPIO / SPI) |
| Pin produk 98 | PS1 — Port S bit 1 (GPIO / SPI) |
| Pin produk 99 | PS2 — Port S bit 2 (GPIO / SPI) |
| Pin produk 100 | PS3 — Port S bit 3 (GPIO / SPI) |
| Pin produk 101 | PS4 — Port S bit 4 (GPIO / SPI) |
| Pin produk 102 | PS5 — Port S bit 5 (GPIO / SPI) |
| Pin produk 103 | PS6 — Port S bit 6 (GPIO / SPI) |
| Pin produk 104 | PS7 — Port S bit 7 (GPIO / SPI) |
| Pin produk 105 | BKGD — Background Debug Mode pin (debug + programming) |
| Pin produk 106 | MODC — Mode Control pin (BDM mode select) |
| Pin produk 107 | RESET — Active-low reset input |
| Pin produk 108 | VDDR — Voltage supply - regulator |
| Pin produk 109 | VDD — Digital supply voltage (5V) |
| Pin produk 110 | VDDPLL — PLL supply voltage |
| Pin produk 111 | VSS — Ground |
| Pin produk 112 | VSSPLL — PLL ground |
Aplikasi Umum
MC9S12DB128CPV cocok untuk 6 aplikasis: Automotive Body Control Module (BCM), HVAC Control Module, Industrial CANopen Slave Node, Automotive Gateway ECU, Seat and Mirror Controller, Sensor Conditioning and Aggregation Node.
Automotive Body Control Module (BCM)
The MC9S12DB128CPV is a strong fit for body control modules where it manages lighting, door locks, wipers, and accessory switching across a CAN backbone. Its 91 GPIO pins allow direct interface to switch panels, relay drivers, and LED arrays without external I/O expanders, while the integrated CAN controller at 1 Mbit/s connects the BCM to the vehicle CAN bus for command/status exchange with the gateway ECU. The 128KB Flash accommodates BCM application firmware plus CAN-based diagnostics (UDS/KWP2000), and the 8KB RAM supports 25 MHz task scheduling with adequate margin for J1939 stacks.
Direkomendasikan
HVAC Control Module
HVAC climate control modules use the MC9S12DB128CPV to read cabin temperature sensors, blend-air actuators, and blower-motor PWM outputs. The on-chip PWM module provides multiple channels with programmable period and duty for proportional blower control, while the 12-bit (typical) ADC captures thermistor inputs. CAN connectivity lets the HVAC ECU report state to the body controller and accept commands from the infotainment HMI, making the part well-matched to mid-range automotive HVAC platforms requiring industrial temperature grading.
Direkomendasikan
Industrial CANopen Slave Node
For industrial CANopen slave controllers, the MC9S12DB128CPV delivers deterministic 16-bit performance with an integrated CAN 2.0B controller, enabling 1 Mbit/s CANopen DS301 communication. Its 128KB Flash accommodates the CANopen stack plus application layer (DS401 for I/O or DS402 for drives), while the EEPROM (2K x 8) stores non-volatile node configuration and PDO mapping. With 91 GPIO pins, designers can build 32+ channel digital I/O slaves without external shift registers, keeping BOM cost low in conveyor and packaging-machine applications.
Direkomendasikan
Automotive Gateway ECU
Body-to-chassis gateway modules use the MC9S12DB128CPV to bridge CAN segments, translate message IDs between sub-networks, and aggregate sensor data. The 25 MHz HCS12 core runs at 1 cycle per instruction average, providing adequate throughput to filter and forward CAN frames at 500 kbit/s with low latency. Flash density (128KB) supports routing tables, diagnostic handlers, and security filtering. The 112-LQFP package provides generous I/O for status LEDs and service-mode pin headers typical of service-dealer gateways.
Direkomendasikan
Seat and Mirror Controller
Driver-seat memory and power-mirror controllers use the MC9S12DB128CPV to coordinate motor drivers, position feedback (potentiometers or Hall sensors), and CAN/LIN messaging to the body controller. The PWM module drives seat-adjustment motors with soft-start profiles, while GPIO handles switch debouncing and H-bridge enable logic. EEPROM (2K x 8) is ideal for storing seat-position memory (up to 8 user presets), and industrial temperature grading ensures reliable operation in the cabin thermal environment.
Direkomendasikan
Sensor Conditioning and Aggregation Node
Distributed sensor aggregation nodes (in industrial or chassis domains) use the MC9S12DB128CPV to digitize analog signals, perform local filtering, and publish CAN frames. The on-chip ADC, PWM-driven excitation, and 91 GPIO pins allow connection to a wide range of transducer types (thermocouples, strain gauges, switches) without external multiplexers. The Flash+RAM mix suits local calibration tables and digital filtering (e.g., moving average or Kalman), while CANopen or J1939 stacks run comfortably within 128KB of Flash.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk MC9S12DB128CPV — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | MC9S12DT256CPV | MC9S12DB128CPVE | MC9S12DB128CPVER | MC9S12DT128CPV | MC9S12A256CPV |
|---|---|---|---|---|---|---|
| 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 |
| Brand | NXP Semiconductors | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same |
| Core | HCS12 16-bit | HCS12 16-bit - same | HCS12 16-bit - same | HCS12 16-bit - same | HCS12 16-bit - same | HCS12 16-bit - same |
| Core Speed | 25 MHz | 25 MHz - same | 25 MHz - same | 25 MHz - same | 25 MHz - same | 25 MHz - same |
| Flash Memory | 128 KB | 256 KB (+100%) | 128 KB (same) | 128 KB (same) | 128 KB (same) | 256 KB (+100%) |
| RAM Size | 8 KB | 12 KB (+50%) | 8 KB (same) | 8 KB (same) | 8 KB (same) | 12 KB (+50%) |
| EEPROM Size | 2K x 8 | 4K x 8 (+100%) | 2K x 8 (same) | 2K x 8 (same) | 2K x 8 (same) | 4K x 8 (+100%) |
| GPIO Count | 91 | 91 (same) | 91 (same) | 91 (same) | 91 (same) | 91 (same) |
| Connectivity | CANbus, I2C, SCI, SPI | CANbus, I2C, SCI, SPI - same | CANbus, I2C, SCI, SPI - same | CANbus, I2C, SCI, SPI - same | CANbus, I2C, SCI, SPI - same | CANbus, I2C, SCI, SPI - same |
| Lifecycle Status | Obsolete / NRND | Obsolete / NRND | Obsolete / NRND | Obsolete / NRND | Obsolete / NRND | Obsolete / NRND |
Diferensiator Kunci
- Higher memory density in same 112-LQFP footprint (vsMC9S12DT128CPV)
- Drop-in memory upgrade path available (vsMC9S12DT256CPV)
- HCS12 16-bit core mature tooling (vsNXP S12Z family (e.g., S12ZVLA32))
Catatan Desain
The MC9S12DB128CPV requires three supplies: VDD (5V digital), VDDR (regulator input), and VDDPLL (PLL supply). Decoupling: place 100 nF ceramic + 4.7 uF bulk within 5 mm of each VDD/VSS pair, with a ferrite bead or small L-C pi-filter on VDDPLL to keep PLL jitter below 1%. Maintain VDD slew rate >= 1 V/ms to avoid POR issues per HCS12 reference manual section on power-on sequence.
The 112-LQFP package has 0.65 mm pitch. Use 4-layer PCB with continuous ground plane directly under the device and a 20x20 mm copper pour stitched with 0.3 mm thermal vias (1.5 mm pitch) for thermal management. Keep BDM header (BKGD/MODC/GND/VDD) within 50 mm of the IC; long BDM traces couple noise and degrade debug reliability in production testers.
Do not leave MODC floating. The MODC pin selects between single-chip and expanded modes at reset; it must be pulled high (logic 1) via a 4.7 kohm resistor for normal single-chip mode, otherwise the device wakes in expanded or special test mode and the firmware fails to execute. BKGD pin requires a 10 kohm pull-up to VDD for reliable BDM detection by the host debugger.
Estimated: at VDD=5V, core=25MHz, peripheral set drawing ~80 mA typical, power dissipation is ~400 mW. The 112-LQFP theta_JA is approximately 35 C/W on a 4-layer JEDEC board, yielding a ~14 C rise above ambient. This is comfortable inside an industrial temperature envelope (up to +85 C) but automotive under-hood applications (up to +125 C) may require additional copper pours or heatsinking.
CAN bus signals (CANH/CANL) on the MC9S12DB128CPV must be routed to an external TJA1050/TJA1041 transceiver within 50 mm trace length. Avoid 90-degree bends; use 45-degree or curved routing. Place a 120 ohm split-termination network (two 60 ohm resistors + 4.7 nF cap) at each end of the CAN bus to suppress reflections in 1 Mbit/s Class C networks per ISO 11898-2.
Informasi Konformitas
AEC-Q100 qualification inferred from automotive HCS12DB family pedigree per NXP product page; specific AEC-Q100 certificate document number not provided in distributor data. RoHS compliance not formally confirmed in source data - request CoC from NXP for production orders. Lead-free packaging confirmed via LQFP finish.