MC9S12DB128CFUE - HCS12 16-Bit 25MHz 128KB Flash MCU | NXP | 80-QFP
MPN: MC9S12DB128CFUE ✗ Akhir HidupMC9S12DB128CFUE Ringkasan
An HCS12 microcontroller is a 16-bit CISC automotive MCU family from Freescale/NXP designed for distributed body and chassis control networks. The HCS12 sits within the broader taxonomy: 16-bit microcontroller -> automotive MCU -> embedded MCU -> semiconductor IC. Its 16-bit datapath and rich on-chip peripherals reduce external component count compared to 8-bit microcontrollers while remaining lower-cost than 32-bit ARM-based auto MCUs.
Key features of the MC9S12DB128CFUE include 128KB on-chip Flash (128K x 8), 2KB EEPROM for non-volatile data storage, 8KB RAM, an integrated CAN 2.0 module, dual SCI (UART) channels, SPI and IIC interfaces, an 8-channel 10-bit ADC, and a PWM module with up to 8 channels. The 'DB' suffix indicates the inclusion of the byte-level EEPROM emulation and enhanced CAN controller that distinguishes this sub-family from the base S12D.
Architecture-wise, the HCS12DB uses a 16-bit CISC core with enhanced indexed addressing and a Background Debug Mode (BDM) interface, supporting non-intrusive in-circuit debugging. The 25MHz bus provides 40ns minimum instruction cycle. Integrated voltage regulator and PLL reduce external analog complexity. ECC on Flash improves automotive reliability.
Typical applications include automotive body control modules, door/window/seat modules, instrument cluster slave MCUs, HVAC control panels, and CAN-node gateway controllers in multiplexed vehicle networks. Industrial equivalents use it for sensor interfaces and CAN-bus distributed I/O. Compact industrial control nodes benefit from its integrated CAN and 16-bit ADC.
Design consideration: the QFP-80 package requires careful thermal copper-pour management on inner vias for high-current GPIO drive conditions. When migrating between S12DB family members, verify interrupt-vector mapping and BDM clocking differ across mask sets.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not consolidated on the manufacturer datasheet PDF.
Alternatif penggantian untuk MC9S12DB128CFUE — 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 MC9S12DB128CFUE (sama faktor bentuk dan footprint) — berbeda di dalam Package, ADC, Core, Program Memory Size, Debug Interface.
MC9S12DB128BUE
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
MC9S12E128CFUE
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12A128CFUE
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
MC9S12DG128CFUE
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
MC9S12C128CFUE
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
MC9S12GC128MFUE
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC9S12DB128CFUE Rating Maksimal & Karakteristik Listrik
| Core | HCS12 (16-bit CISC) |
| Processor Series | S12D / HCS12DB |
| Lebar Bus Data | 16 bit |
| Frekuensi Bawah Maximum | 25 MHz |
| Program Memory Size | 128 KB (128K x 8) FLASH |
| RAM Size | 8 KB |
| EEPROM Size | 2 KB |
| Tegangan Pemuat | 2.5 V / 5 V |
| Paket | 80-QFP (14x14 mm) |
| Tipe Mounting | Surface Mount |
| Terminal Form | Gull Wing |
| No. of Terminals | 80 |
| Suhu Kerja | -40C to +85C (industrial) |
| Integrated ADC | 8-channel, 10-bit |
| CAN Module | 1 x CAN 2.0 |
| SCI (UART) Modules | 2 |
| SPI Modules | 1 |
| IIC Modules | 1 |
| PWM Channels | Up to 8 |
| Debug Interface | Background Debug Mode (BDM) |
Konfigurasi Pin MC9S12DB128CFUE
| Pin produk 1 | VRH — ADC analog reference high |
| Pin produk 2 | VRL — ADC analog reference low |
| Pin produk 3 | VDDA — Analog supply voltage |
| Pin produk 4 | VSSA — Analog ground |
| Pin produk 5 | PAD0/AN00 — Port AD bit 0 / ADC channel 0 |
| Pin produk 6 | PAD1/AN01 — Port AD bit 1 / ADC channel 1 |
| Pin produk 7 | PAD2/AN02 — Port AD bit 2 / ADC channel 2 |
| Pin produk 8 | PAD3/AN03 — Port AD bit 3 / ADC channel 3 |
| Pin produk 9 | PAD4/AN04 — Port AD bit 4 / ADC channel 4 |
| Pin produk 10 | PAD5/AN05 — Port AD bit 5 / ADC channel 5 |
| Pin produk 11 | PAD6/AN06 — Port AD bit 6 / ADC channel 6 |
| Pin produk 12 | PAD7/AN07 — Port AD bit 7 / ADC channel 7 |
| Pin produk 13 | PE0/XIRQ — Port E bit 0 / external interrupt request |
| Pin produk 14 | PE1/IRQ — Port E bit 1 / interrupt request |
| Pin produk 15 | PE2 — Port E bit 2 |
| Pin produk 16 | PE3 — Port E bit 3 |
| Pin produk 17 | PE4/ECLK — Port E bit 4 / E-clock output |
| Pin produk 18 | PE5/MODA — Port E bit 5 / mode select A |
| Pin produk 19 | PE6/MODB — Port E bit 6 / mode select B |
| Pin produk 20 | PE7/RESET — Port E bit 7 / RESET input |
| Pin produk 21 | VSSX1 — External ground 1 |
| Pin produk 22 | VDDX1 — External supply 1 (5V) |
| Pin produk 23 | BKGD — Background Debug Mode data |
| Pin produk 24 | PA0 — Port A bit 0 |
| Pin produk 25 | PA1 — Port A bit 1 |
| Pin produk 26 | PA2 — Port A bit 2 |
| Pin produk 27 | PA3 — Port A bit 3 |
| Pin produk 28 | PA4 — Port A bit 4 |
| Pin produk 29 | PA5 — Port A bit 5 |
| Pin produk 30 | PA6 — Port A bit 6 |
| Pin produk 31 | PA7 — Port A bit 7 |
| Pin produk 32 | VSSX2 — External ground 2 |
| Pin produk 33 | VDDX2 — External supply 2 (5V) |
| Pin produk 34 | PB0 — Port B bit 0 |
| Pin produk 35 | PB1 — Port B bit 1 |
| Pin produk 36 | PB2 — Port B bit 2 |
| Pin produk 37 | PB3 — Port B bit 3 |
| Pin produk 38 | PB4 — Port B bit 4 |
| Pin produk 39 | PB5 — Port B bit 5 |
| Pin produk 40 | PB6 — Port B bit 6 |
| Pin produk 41 | PB7 — Port B bit 7 |
| Pin produk 42 | PC0 — Port C bit 0 |
| Pin produk 43 | PC1 — Port C bit 1 |
| Pin produk 44 | PC2 — Port C bit 2 |
| Pin produk 45 | PC3 — Port C bit 3 |
| Pin produk 46 | PC4 — Port C bit 4 |
| Pin produk 47 | PC5 — Port C bit 5 |
| Pin produk 48 | PC6 — Port C bit 6 |
| Pin produk 49 | PC7 — Port C bit 7 |
| Pin produk 50 | VSSX3 — External ground 3 |
| Pin produk 51 | VDDX3 — External supply 3 (5V) |
| Pin produk 52 | PJ0/SDA — Port J bit 0 / IIC SDA |
| Pin produk 53 | PJ1/SCL — Port J bit 1 / IIC SCL |
| Pin produk 54 | PJ2 — Port J bit 2 |
| Pin produk 55 | PJ3 — Port J bit 3 |
| Pin produk 56 | PJ4 — Port J bit 4 |
| Pin produk 57 | PJ5 — Port J bit 5 |
| Pin produk 58 | PJ6 — Port J bit 6 |
| Pin produk 59 | PJ7 — Port J bit 7 |
| Pin produk 60 | PK0 — Port K bit 0 |
| Pin produk 61 | PK1 — Port K bit 1 |
| Pin produk 62 | PK2 — Port K bit 2 |
| Pin produk 63 | PK3 — Port K bit 3 |
| Pin produk 64 | PK4 — Port K bit 4 |
| Pin produk 65 | PK5 — Port K bit 5 |
| Pin produk 66 | PK6 — Port K bit 6 |
| Pin produk 67 | PK7 — Port K bit 7 |
| Pin produk 68 | PM0 — Port M bit 0 (memory expansion) |
| Pin produk 69 | PM1 — Port M bit 1 (memory expansion) |
| Pin produk 70 | CAN_TX — CAN transmit output |
| Pin produk 71 | CAN_RX — CAN receive input |
| Pin produk 72 | SCK0/PS0 — SPI0 clock / PWM channel 0 |
| Pin produk 73 | MOSI0/PS1 — SPI0 master-out / PWM channel 1 |
| Pin produk 74 | MISO0/PS2 — SPI0 master-in / PWM channel 2 |
| Pin produk 75 | SS0/PS3 — SPI0 slave-select / PWM channel 3 |
| Pin produk 76 | TXD0 — SCI0 transmit |
| Pin produk 77 | RXD0 — SCI0 receive |
| Pin produk 78 | TXD1 — SCI1 transmit |
| Pin produk 79 | RXD1 — SCI1 receive |
| Pin produk 80 | VSSR — Internal regulator ground |
Aplikasi Umum
MC9S12DB128CFUE cocok untuk 7 aplikasis: Automotive Body Control Module, Door and Seat Module Slave MCU, HVAC Control Panel ECU, Instrument Cluster CAN Slave, Industrial CAN-Node Distributed I/O, Sensor Interface and Bridge Module, Lighting and LED Driver Controller.
Automotive Body Control Module
The MC9S12DB128CFUE is ideally suited for distributed automotive body control modules (BCMs) that orchestrate lighting, door locks, and accessory relays over a CAN-bus backbone. Its integrated CAN 2.0 controller, 2KB byte-erasable EEPROM for storing per-vehicle VIN and fault history, and 8-channel 10-bit ADC for analog switch inputs make it a single-chip solution for body-electronics nodes. The 128KB Flash supports full CAN-based OTA-style firmware updates. Compared with 8-bit MCUs in this role, the 16-bit CISC core handles OSEK/OSEKtime RTOS scheduling with 40ns interrupt latency at 25MHz, and the QFP-80 package with 0.65mm pitch supports high-vibration automotive PCB reflow processes.
Direkomendasikan
Door and Seat Module Slave MCU
In automotive door and seat modules the MC9S12DB128CFUE serves as a slave MCU that aggregates window lift switches, mirror position sensors, and seat-occupancy inputs before reporting over CAN to the BCM master. The 8KB SRAM is sufficient for debounced switch scanning buffers, while the 2KB EEPROM stores trim and position memory per driver profile. The integrated dual SCI (UART) interfaces allow diagnostic UART plus LIN-substitute communication. Pin compatibility across the S12DB sub-family lets OEMs reuse PCB layout across vehicle variants with different option content.
Direkomendasikan
HVAC Control Panel ECU
HVAC control panels in vehicles use the MC9S12DB128CFUE to drive stepper motors for blend doors, read cabin temperature sensors via the 10-bit ADC, and exchange blower-speed setpoints over CAN with the climate-control master. The PWM channels generate variable-frequency blower drive signals, and the 128KB Flash supports lookup-table-based temperature-curve interpolation. The QFP-80 industrial-temperature variant operates across -40C to +85C ambient cabin-roof conditions, and the integrated BDM allows assembly-line flash programming.
Direkomendasikan
Instrument Cluster CAN Slave
As an instrument cluster CAN slave, the MC9S12DB128CFUE handles gauge drive signals, odometer storage in its 2KB EEPROM, and diagnostic message reception over the vehicle CAN backbone. The 16-bit CISC core provides efficient gauge-step interpolation in software, while the 8-channel PWM drives dimmable backlight LEDs and warning-indicator brightness. The 25MHz bus enables 50Hz gauge-update refresh without missing CAN message slots.
Direkomendasikan
Industrial CAN-Node Distributed I/O
Outside automotive, the MC9S12DB128CFUE is widely deployed in industrial CANopen distributed I/O nodes where its 1Mbps CAN 2.0 capability, integrated SPI/IIC, and 8-channel 10-bit ADC provide a complete node controller in a single chip. Industrial cabinet temperature (-40C to +85C) is met by the industrial-grade variant. The 2KB EEPROM stores node-ID and CANopen PDO mapping without external non-volatile memory. Compared with newer ARM Cortex-M0 CAN nodes, the HCS12DB's mature firmware ecosystem and wide distributor stock make it preferred for retrofit industrial installations.
Direkomendasikan
Sensor Interface and Bridge Module
The MC9S12DB128CFUE serves as a sensor interface and protocol-bridge module, aggregating analog sensors via the 10-bit ADC and forwarding formatted data over CAN or SCI to a host controller. Its IIC interface reads digital temperature/humidity sensors, while dual SCI channels support simultaneous GPS NMEA forwarding and Modbus RTU slave. The 8KB RAM buffers multi-sensor sample queues at bus-rate speeds, and the BDM allows in-field firmware patches via the single-wire debug port.
Direkomendasikan
Lighting and LED Driver Controller
Automotive lighting modules - including tail-light assemblies, daytime running lights, and adaptive headlamp slave controllers - leverage the MC9S12DB128CFUE's 8 PWM channels to drive LED current controllers and MOSFET gates while communicating fault status over CAN. The 2KB EEPROM retains per-channel calibration data (LED forward-voltage compensation), and the integrated ADC monitors LED-string current for open/short detection. The 80-QFP package supports high-current PCB copper pours for ground-return paths.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk MC9S12DB128CFUE — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | MC9S12DB128BUE | MC9S12E128CFUE | MC9S12DG128CFUE | MC9S12C128CFUE | MC9S12GC128MFUE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 80-QFP (14x14) | 80-QFP (14x14) - same | 80-QFP (14x14) - same | 80-QFP (14x14) - same | 80-QFP (14x14) - same | 80-QFP (14x14) - same |
| Core | HCS12 16-bit | HCS12 16-bit | HCS12 16-bit | HCS12 16-bit | HCS12 16-bit | HCS12 16-bit |
| Maximum Clock Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Flash Size | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| EEPROM | 2 KB | 2 KB | 2 KB | 1 KB | 1 KB | 2 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 4 KB | 8 KB |
| CAN Module | 1 x CAN 2.0 | 1 x CAN 2.0 | 1 x CAN 2.0 | 1 x CAN 2.0 | 1 x CAN 2.0 | 1 x CAN 2.0 |
| Family Focus | Body Control (DB) | Body Control (DB) | Motor Control (E) | Motor Control (DG) | Base (C) | General (GC) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +125C |
Diferensiator Kunci
- Largest EEPROM in HCS12DB family (vsMC9S12DG128CFUE)
- Body-network peripheral optimization (vsMC9S12E128CFUE)
- Pin-compatible with broader HCS12 family (vsMC9S12GC128MFUE)
Catatan Desain
The MC9S12DB128CFUE requires a stable 5V VDDX supply with bulk decoupling (10uF tantalum + 0.1uF ceramic per supply pin pair). The internal voltage regulator generates 2.5V VDD from VDDX; add a 4.7uF capacitor on each VDD pin. Estimated: total quiescent current at 25MHz is approximately 25-40mA across temperature. Ensure VDDX ramp-time is monotonic at startup to avoid the internal regulator entering an undefined state.
Layout the BKGD, RESET, and MODA/MODB pins with short traces and bypass caps within 5mm. Keep the analog VDDA/VSSA pair isolated from switching digital VDDX/VSSX pins with a ground moat or 0V split. ADC reference pins VRH and VRL require low-impedance 100nF + 10uF decoupling to reject digital switching noise. Estimated: place all decoupling caps on the same layer as the IC to minimize via inductance.
CAN bus signals (CAN_TX, CAN_RX) require a matched-impedance layout (typically 120 ohm differential) and external ESD protection. Keep CAN transceiver (TJA1050/MCP2551) within 20mm of the MCU CAN pins to minimize stub length. For BDM debugging, the BKGD pin is sensitive to noise; add 100kohm pullup and route away from PWM edges to avoid false debugger communication.
Do not leave the MODA/MODB pins floating at reset - they select the special vs normal operating mode. Tie MODA high and MODB low for normal single-chip mode. The BDM interface uses pin 23 (BKGD) which must not be driven by external logic during reset. Watchdog disable sequence during development requires writing 0x55 then 0xAA to the COPCTL register within the timeout window.
Informasi Konformitas
RoHS status not explicitly stated in verified web data; check NXP product declaration. AEC-Q100 not applicable for industrial-grade variant - choose 'V' suffix parts for AEC-Q100 automotive qualification. The original MC9S12DB128CFUE suffix 'C' denotes industrial temperature grade per NXP convention.