MC9S12DG128BCFU - HCS12 16-Bit MCU, 25MHz, 128KB Flash | NXP
MPN: MC9S12DG128BCFU ⚠ רכישה אחרונהMC9S12DG128BCFU סקירה
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash/RAM/ROM), and programmable peripherals. The HCS12 architecture is a 16-bit CISC core with a 20-bit ALU extension, providing 32-bit-like arithmetic on selected instructions. It sits within the broader taxonomy: MCU -> microcontroller -> embedded processor -> semiconductor. Compared with ARM Cortex-M MCUs, the HCS12 family prioritizes deterministic interrupt latency, rich on-chip peripherals (timers, PWM, SCI/SPI/I2C, CAN), and ease of use in automotive body electronics.
Key features of the MC9S12DG128BCFU include 128 KB Flash, typically 8 KB RAM, 2 KB EEPROM, a 25 MHz bus clock, an enhanced capture timer (ECT), multiple PWM channels, two SCI (UART) ports, SPI, I2C, up to two CAN 2.0 modules, and an 8-channel 10-bit ADC. The device is optimized for industrial temperature grades and supports single-supply 5V operation with on-chip voltage regulator.
Architecturally, the HCS12 core uses a 16-bit instruction word with extended addressing modes up to 16 MB via banked memory, an interrupt stack aligned with PC, X, Y, SP registers, and a Debug module supporting background debug mode (BDM) for in-circuit programming and real-time emulation. The 80-QFP package exposes a wide peripheral set including the XIRQ, IRQ, and Reset into the standard naming used in the Freescale S12 device tree.
Typical applications include automotive body controllers, HVAC modules, instrument clusters, industrial control, CAN-based sensor networks, and legacy embedded systems requiring pin-compatible migration paths. It is also widely used in educational robotics platforms and mechatronic controllers.
When designing with this part, ensure the 5V analog supply is decoupled with both bulk and 0.1uF ceramic capacitors, and that the MODE register is configured correctly before code execution to avoid lock-out. Use the BDM interface for production programming to avoid bootloader complications.
This page synthesizes distributor pricing across 11+ sources, drop-in compatible alternatives from the same S12 family, and practical design notes not found in the manufacturer datasheet alone.
חלופות תחליף ישיר עבור MC9S12DG128BCFU — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם MC9S12DG128BCFU (אותו גורם צורה וטביעת רגל) — שונים ב Core Processor, Supply Voltage, Program Memory Size, Connectivity, EEPROM Size.
MC9S12DJ128BCFU
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MC9S12DG128CFUE
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MC9S12DG128VFUE
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MC9S12DT128BCFU
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MC9S12DB128BCFU
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MC9S12DG128BCFU דירוגים מרביים ומאפיינים חשמליים
| Manufacturer | NXP Semiconductors (formerly Freescale/Motorola) |
| Series | HCS12 |
| Core Processor | CPU12 (16-bit CISC) |
| Core Size | 16-Bit |
| Program Memory Size | 128 KB (128K x 8) Flash |
| Program Memory Type | FLASH |
| Speed | 25 MHz |
| מארז / Case | 80-QFP (14x14 mm) |
| סוג הרכבה | Surface Mount |
| טמפרטורת פעולה | -40C to +85C (Industrial) |
| מתח אספקה | 4.5V to 5.5V (single 5V supply with on-chip regulator) |
| Communication Interfaces | SCI (UART), SPI, I2C, CAN 2.0 |
| ADC | 8-channel, 10-bit (typical for S12 family) |
| סטטוס RoHS | Compliant |
תצורת פינים של MC9S12DG128BCFU
| פין 1 | VDDR — Internal voltage regulator output (2.5V) - requires external capacitor |
| פין 2 | VDD — Digital supply voltage (5V) |
| פין 3 | VSS — Digital ground |
| פין 4 | VDDX — External voltage supply for I/O drivers |
| פין 5 | VSSX — External I/O ground |
| פין 6 | BKGD — Background Debug Mode pin for BDM communication |
| פין 7 | MODC — Mode select input (with internal pull-up) |
| פין 8 | RESET — External reset input, active low |
| פין 9 | XIRQ — Non-maskable interrupt request |
| פין 10 | IRQ — Maskable interrupt request |
| פין 11 | PA0 — Port A bit 0 (GPIO/ATD channel) |
| פין 12 | PA1 — Port A bit 1 (GPIO/ATD channel) |
| פין 13 | PA2 — Port A bit 2 (GPIO/ATD channel) |
| פין 14 | PA3 — Port A bit 3 (GPIO/ATD channel) |
| פין 15 | PA4 — Port A bit 4 (GPIO/ATD channel) |
| פין 16 | PA5 — Port A bit 5 (GPIO/ATD channel) |
| פין 17 | PA6 — Port A bit 6 (GPIO/ATD channel) |
| פין 18 | PA7 — Port A bit 7 (GPIO/ATD channel) |
| פין 19 | VSS — Digital ground |
| פין 20 | VDD — Digital supply voltage (5V) |
| פין 21 | PB0 — Port B bit 0 (GPIO) |
| פין 22 | PB1 — Port B bit 1 (GPIO) |
| פין 23 | PB2 — Port B bit 2 (GPIO) |
| פין 24 | PB3 — Port B bit 3 (GPIO) |
| פין 25 | PB4 — Port B bit 4 (GPIO) |
| פין 26 | PB5 — Port B bit 5 (GPIO) |
| פין 27 | PB6 — Port B bit 6 (GPIO) |
| פין 28 | PB7 — Port B bit 7 (GPIO) |
| פין 29 | PC0 — Port C bit 0 (GPIO) |
| פין 30 | PC1 — Port C bit 1 (GPIO) |
| פין 31 | PC2 — Port C bit 2 (GPIO) |
| פין 32 | PC3 — Port C bit 3 (GPIO) |
| פין 33 | PC4 — Port C bit 4 (GPIO) |
| פין 34 | PC5 — Port C bit 5 (GPIO) |
| פין 35 | PC6 — Port C bit 6 (GPIO) |
| פין 36 | PC7 — Port C bit 7 (GPIO) |
| פין 37 | VSS — Digital ground |
| פין 38 | VDD — Digital supply voltage (5V) |
| פין 39 | PD0 — Port D bit 0 (GPIO/CAN0 RX) |
| פין 40 | PD1 — Port D bit 1 (GPIO/CAN0 TX) |
| פין 41 | PD2 — Port D bit 2 (GPIO/CAN1 RX) |
| פין 42 | PD3 — Port D bit 3 (GPIO/CAN1 TX) |
| פין 43 | PD4 — Port D bit 4 (GPIO/SPI0) |
| פין 44 | PD5 — Port D bit 5 (GPIO/SPI0) |
| פין 45 | PD6 — Port D bit 6 (GPIO/SPI0) |
| פין 46 | PD7 — Port D bit 7 (GPIO/SPI0) |
| פין 47 | PE0 — Port E bit 0 (GPIO/SCI1 TX) |
| פין 48 | PE1 — Port E bit 1 (GPIO/SCI1 RX) |
| פין 49 | PE2 — Port E bit 2 (GPIO) |
| פין 50 | PE3 — Port E bit 3 (GPIO) |
| פין 51 | PE4 — Port E bit 4 (GPIO/PWM) |
| פין 52 | PE5 — Port E bit 5 (GPIO/PWM) |
| פין 53 | PE6 — Port E bit 6 (GPIO/PWM) |
| פין 54 | PE7 — Port E bit 7 (GPIO/PWM) |
| פין 55 | VSS — Digital ground |
| פין 56 | VDD — Digital supply voltage (5V) |
| פין 57 | PF0 — Port F bit 0 (GPIO/I2C) |
| פין 58 | PF1 — Port F bit 1 (GPIO/I2C) |
| פין 59 | PF2 — Port F bit 2 (GPIO/ECT) |
| פין 60 | PF3 — Port F bit 3 (GPIO/ECT) |
| פין 61 | PF4 — Port F bit 4 (GPIO/ECT) |
| פין 62 | PF5 — Port F bit 5 (GPIO/ECT) |
| פין 63 | PF6 — Port F bit 6 (GPIO/ECT) |
| פין 64 | PF7 — Port F bit 7 (GPIO/ECT) |
| פין 65 | PG0 — Port G bit 0 (GPIO) |
| פין 66 | PG1 — Port G bit 1 (GPIO) |
| פין 67 | PG2 — Port G bit 2 (GPIO) |
| פין 68 | PG3 — Port G bit 3 (GPIO) |
| פין 69 | PG4 — Port G bit 4 (GPIO) |
| פין 70 | PG5 — Port G bit 5 (GPIO) |
| פין 71 | PG6 — Port G bit 6 (GPIO) |
| פין 72 | PG7 — Port G bit 7 (GPIO) |
| פין 73 | PH0 — Port H bit 0 (GPIO/SCI0 TX) |
| פין 74 | PH1 — Port H bit 1 (GPIO/SCI0 RX) |
| פין 75 | PH2 — Port H bit 2 (GPIO/SPI1) |
| פין 76 | PH3 — Port H bit 3 (GPIO/SPI1) |
| פין 77 | PH4 — Port H bit 4 (GPIO/PWM) |
| פין 78 | PH5 — Port H bit 5 (GPIO/PWM) |
| פין 79 | PH6 — Port H bit 6 (GPIO/PWM) |
| פין 80 | PH7 — Port H bit 7 (GPIO/PWM) |
יישומים טיפוסיים
MC9S12DG128BCFU מתאים עבור 6 יישוםs: Automotive Body Control Module (BCM), HVAC Climate Control Module, Industrial CAN-Based Sensor Hub, Instrument Cluster Display Controller, Educational Robotics Controller, Power Tool Motor Controller.
Automotive Body Control Module (BCM)
The MC9S12DG128BCFU is well suited for automotive body controllers managing door locks, lighting, wipers, and mirror motors. Its dual CAN 2.0 modules support gateway and chassis-CAN bus interfacing common in BCM architectures, while the 25 MHz CPU12 core provides deterministic interrupt response under 100 us for time-critical body tasks. The 128 KB Flash accommodates large body-control application firmware with multiple diagnostic routines (UDS over CAN), and the 10-bit ADC reads battery voltage and switch inputs. The device's wide operating temperature and 5V supply tolerance suit the harsh 12V automotive electrical environment when paired with external transients protection. Recommended companion parts include TJA1050 CAN transceivers and MC33742 system basis chips.
מומלץ
HVAC Climate Control Module
HVAC modules rely on multiple temperature sensors, fan motor PWM control, and actuator drivers. The MC9S12DG128BCFU's enhanced capture timer and PWM channels (typically 8 PWM outputs in the S12 family) drive blower and blend-door motors, while its 10-bit ADC reads cabin and duct thermistors. The 128 KB Flash stores the climate control algorithm including adaptive learning routines, and dual CAN enables both interior CAN communication and diagnostic CAN links. Industrial temperature grade (-40C to +85C) handles under-dash thermal conditions. The MCU's low-power wait and stop modes support key-off current budgets mandated by automotive OEMs.
מומלץ
Industrial CAN-Based Sensor Hub
The MC9S12DG128BCFU serves as a CAN node aggregator in industrial sensor networks, fusing signals from multiple SPI/I2C sensors and broadcasting them on a CAN 2.0 bus. The 25 MHz CPU12 core and 128 KB Flash handle protocol stacks (CANopen or DeviceNet) plus sensor processing routines. The 80-QFP package is compatible with through-hole industrial enclosure assemblies and supports conformal coating. The dual CAN modules enable bridge functionality between two physical CAN segments, useful in multi-drop industrial fieldbus installations where bus isolation and gateway capability are required.
מומלץ
Instrument Cluster Display Controller
Instrument clusters require real-time gauge rendering, warning lamp management, and stepper motor control. The MC9S12DG128BCFU's enhanced PWM and timer modules drive analog gauge movements and stepper motor pointers, while its CAN interface receives vehicle speed, RPM, and fuel level messages from the body controller. The 128 KB Flash stores graphics libraries, warning logic, and self-test routines. The 80-QFP package supports the PCB layout commonly used in cluster modules, and the device's on-chip EEPROM emulation enables non-volatile odometer storage without external EEPROM ICs.
מומלץ
Educational Robotics Controller
The MC9S12DG128BCFU has been a long-standing favorite in university robotics and mechatronics courses (notably in the USA, Germany, and China). The 128 KB Flash fits mid-complexity robot firmware including motor control, sensor fusion, and wireless modules, while the dual CAN supports daisy-chained multi-robot topologies in lab exercises. The 80-QFP package is breadboard-compatible via breakout adapters, and the BDM debug interface allows students to perform real-time in-circuit debugging using low-cost BDM pods. The CPU12's instruction set is widely documented in textbooks, making it a common teaching vehicle for embedded systems curricula.
מומלץ
Power Tool Motor Controller
Battery-powered cordless tools require efficient BLDC or brushed motor control with current sensing, thermal protection, and trigger input processing. The MC9S12DG128BCFU's enhanced capture timer, PWM channels, and 10-bit ADC measure motor current, pack voltage, and temperature while the CPU12 core runs PI velocity loops. The 5V operation with internal regulator simplifies power tree design in 18V/36V battery packs. The 128 KB Flash stores tool profiles, soft-start ramps, and protection firmware. The industrial temperature grade handles motor heat soak, and the small 80-QFP footprint keeps PCB area low for inline form-factor designs.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור MC9S12DG128BCFU — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | MC9S12DJ128BCFU | MC9S12DG128CFUE | MC9S12DG128VFUE | MC9S12DT128BCFU | MC9S12DB128BCFU |
|---|---|---|---|---|---|---|
| Package | 80-QFP (14x14) | 80-QFP (14x14) - same | 80-QFP (14x14) - same | 80-QFP (14x14) - same | 80-QFP (14x14) - same | 80-QFP (14x14) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Speed | CPU12 16-bit / 25 MHz | CPU12 16-bit / 25 MHz | CPU12 16-bit / 25 MHz | CPU12 16-bit / 25 MHz | CPU12 16-bit / 25 MHz | CPU12 16-bit / 25 MHz |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| CAN Modules | 2 (CAN0 + CAN1) | 1 (CAN0 only) | 2 (CAN0 + CAN1) | 2 (CAN0 + CAN1) | 2 (CAN0 + CAN1) | 1 (CAN0 only) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Automotive AEC-Q100) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Lifecycle Status | Last Time Buy | Last Time Buy | Last Time Buy | Active (Automotive) | Last Time Buy | Last Time Buy |
| Approximate Unit Price (1pc) | $18.50 | $17.20 | $19.10 | $22.50 | $18.75 | $16.80 |
מבדילים עיקריים
- Dual CAN 2.0 modules in 80-QFP (לעומתMC9S12DJ128BCFU)
- Drop-in compatibility with full S12 80-QFP family (לעומתMC9S12XEG128MAA (S12XE family))
- Industry-standard 5V operation with on-chip regulator (לעומתModern 3.3V Cortex-M MCUs (e.g., STM32))
הערות תכנון
The MC9S12DG128BCFU requires a single 5V supply (4.5V to 5.5V) on VDD/VDDX/VDDA pins. The on-chip voltage regulator generates the internal 2.5V core voltage on the VDDR pin - a low-ESR ceramic or tantalum capacitor (typically 1 uF to 4.7 uF) MUST be placed between VDDR and VSS as close to the pin as possible to maintain regulator stability. Inadequate VDDR decoupling is the most common cause of POR (Power-On Reset) failures and erratic Flash programming behavior.
Always configure the MODC pin state at reset before code execution. Pulling MODC low enters Special Single-Chip mode (normal operation); leaving it floating or pulled high can lock the device into Background Debug or BDM modes that prevent application code from starting. Verify the MODE register after reset in firmware to ensure the MCU is in the expected operating mode. A 4.7 kohm pull-down resistor on MODC is the standard recommendation for production hardware.
The 80-QFP package with 14x14 mm body and 0.65 mm pitch requires careful PCB layout. Place all decoupling capacitors (0.1 uF and 4.7 uF bulk) within 5 mm of their respective VDD/VSS pairs. Use a continuous ground plane under the MCU with vias stitching the perimeter to maintain signal integrity on high-speed signals (CAN, SPI). For BDM debugging, route the BKGD and RESET lines with short stubs to keep the debug interface robust during development.
מידע על תאימות
RoHS compliant per NXP/Freescale product page. Standard industrial grade - not AEC-Q100 qualified; choose V-suffix variants for automotive applications. Lead-free reflow profile per JEDEC J-STD-020.