MC9S12DB128CFUE - HCS12 16-Bit 25MHz 128KB Flash MCU | NXP | 80-QFP
Артикул: MC9S12DB128CFUE ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $22.5 | $22,50 |
| 10 | $20.25 | $202,50 |
| 100 | $18 | $1.800,00 |
| 500 | $16.5 | $8.250,00 |
| 1.000 | $14.85 | $14.850,00 |
MC9S12DB128CFUE Обзор
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.
Аналоги без доработки для MC9S12DB128CFUE — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с MC9S12DB128CFUE (тот же форм-фактор и посадочное место) — отличается по Package, ADC, Core, Program Memory Size, Debug Interface.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
MC9S12DB128BUE
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MC9S12E128CFUE
✅ Прямая замена✓ В наличии
$10.65 / шт.
Открыть даташит →MC9S12A128CFUE
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
MC9S12DG128CFUE
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MC9S12C128CFUE
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MC9S12GC128MFUE
✅ Прямая замена✓ В наличии
$7.1 / шт.
Открыть даташит →MC9S12DB128CFUE Максимальные параметры и электрические характеристики
| Core | HCS12 (16-bit CISC) |
| Processor Series | S12D / HCS12DB |
| Разрядность шины данных | 16 bit |
| Максимальная тактовая частота | 25 MHz |
| Program Memory Size | 128 KB (128K x 8) FLASH |
| RAM Size | 8 KB |
| EEPROM Size | 2 KB |
| Напряжение питания | 2.5 V / 5 V |
| Корпус | 80-QFP (14x14 mm) |
| Тип монтажа | Surface Mount |
| Terminal Form | Gull Wing |
| No. of Terminals | 80 |
| Рабочая температура | -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) |
Конфигурация выводов MC9S12DB128CFUE
| Контакт 1 | VRH — ADC analog reference high |
| Контакт 2 | VRL — ADC analog reference low |
| Контакт 3 | VDDA — Analog supply voltage |
| Контакт 4 | VSSA — Analog ground |
| Контакт 5 | PAD0/AN00 — Port AD bit 0 / ADC channel 0 |
| Контакт 6 | PAD1/AN01 — Port AD bit 1 / ADC channel 1 |
| Контакт 7 | PAD2/AN02 — Port AD bit 2 / ADC channel 2 |
| Контакт 8 | PAD3/AN03 — Port AD bit 3 / ADC channel 3 |
| Контакт 9 | PAD4/AN04 — Port AD bit 4 / ADC channel 4 |
| Контакт 10 | PAD5/AN05 — Port AD bit 5 / ADC channel 5 |
| Контакт 11 | PAD6/AN06 — Port AD bit 6 / ADC channel 6 |
| Контакт 12 | PAD7/AN07 — Port AD bit 7 / ADC channel 7 |
| Контакт 13 | PE0/XIRQ — Port E bit 0 / external interrupt request |
| Контакт 14 | PE1/IRQ — Port E bit 1 / interrupt request |
| Контакт 15 | PE2 — Port E bit 2 |
| Контакт 16 | PE3 — Port E bit 3 |
| Контакт 17 | PE4/ECLK — Port E bit 4 / E-clock output |
| Контакт 18 | PE5/MODA — Port E bit 5 / mode select A |
| Контакт 19 | PE6/MODB — Port E bit 6 / mode select B |
| Контакт 20 | PE7/RESET — Port E bit 7 / RESET input |
| Контакт 21 | VSSX1 — External ground 1 |
| Контакт 22 | VDDX1 — External supply 1 (5V) |
| Контакт 23 | BKGD — Background Debug Mode data |
| Контакт 24 | PA0 — Port A bit 0 |
| Контакт 25 | PA1 — Port A bit 1 |
| Контакт 26 | PA2 — Port A bit 2 |
| Контакт 27 | PA3 — Port A bit 3 |
| Контакт 28 | PA4 — Port A bit 4 |
| Контакт 29 | PA5 — Port A bit 5 |
| Контакт 30 | PA6 — Port A bit 6 |
| Контакт 31 | PA7 — Port A bit 7 |
| Контакт 32 | VSSX2 — External ground 2 |
| Контакт 33 | VDDX2 — External supply 2 (5V) |
| Контакт 34 | PB0 — Port B bit 0 |
| Контакт 35 | PB1 — Port B bit 1 |
| Контакт 36 | PB2 — Port B bit 2 |
| Контакт 37 | PB3 — Port B bit 3 |
| Контакт 38 | PB4 — Port B bit 4 |
| Контакт 39 | PB5 — Port B bit 5 |
| Контакт 40 | PB6 — Port B bit 6 |
| Контакт 41 | PB7 — Port B bit 7 |
| Контакт 42 | PC0 — Port C bit 0 |
| Контакт 43 | PC1 — Port C bit 1 |
| Контакт 44 | PC2 — Port C bit 2 |
| Контакт 45 | PC3 — Port C bit 3 |
| Контакт 46 | PC4 — Port C bit 4 |
| Контакт 47 | PC5 — Port C bit 5 |
| Контакт 48 | PC6 — Port C bit 6 |
| Контакт 49 | PC7 — Port C bit 7 |
| Контакт 50 | VSSX3 — External ground 3 |
| Контакт 51 | VDDX3 — External supply 3 (5V) |
| Контакт 52 | PJ0/SDA — Port J bit 0 / IIC SDA |
| Контакт 53 | PJ1/SCL — Port J bit 1 / IIC SCL |
| Контакт 54 | PJ2 — Port J bit 2 |
| Контакт 55 | PJ3 — Port J bit 3 |
| Контакт 56 | PJ4 — Port J bit 4 |
| Контакт 57 | PJ5 — Port J bit 5 |
| Контакт 58 | PJ6 — Port J bit 6 |
| Контакт 59 | PJ7 — Port J bit 7 |
| Контакт 60 | PK0 — Port K bit 0 |
| Контакт 61 | PK1 — Port K bit 1 |
| Контакт 62 | PK2 — Port K bit 2 |
| Контакт 63 | PK3 — Port K bit 3 |
| Контакт 64 | PK4 — Port K bit 4 |
| Контакт 65 | PK5 — Port K bit 5 |
| Контакт 66 | PK6 — Port K bit 6 |
| Контакт 67 | PK7 — Port K bit 7 |
| Контакт 68 | PM0 — Port M bit 0 (memory expansion) |
| Контакт 69 | PM1 — Port M bit 1 (memory expansion) |
| Контакт 70 | CAN_TX — CAN transmit output |
| Контакт 71 | CAN_RX — CAN receive input |
| Контакт 72 | SCK0/PS0 — SPI0 clock / PWM channel 0 |
| Контакт 73 | MOSI0/PS1 — SPI0 master-out / PWM channel 1 |
| Контакт 74 | MISO0/PS2 — SPI0 master-in / PWM channel 2 |
| Контакт 75 | SS0/PS3 — SPI0 slave-select / PWM channel 3 |
| Контакт 76 | TXD0 — SCI0 transmit |
| Контакт 77 | RXD0 — SCI0 receive |
| Контакт 78 | TXD1 — SCI1 transmit |
| Контакт 79 | RXD1 — SCI1 receive |
| Контакт 80 | VSSR — Internal regulator ground |
Типичное применение
MC9S12DB128CFUE подходит для 7 применениеs: 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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для MC9S12DB128CFUE — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | 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 |
Ключевые отличия
- Largest EEPROM in HCS12DB family (против MC9S12DG128CFUE)
- Body-network peripheral optimization (против MC9S12E128CFUE)
- Pin-compatible with broader HCS12 family (против MC9S12GC128MFUE)
Заметки по проектированию
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.
Информация о соответствии
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.