MC9S12D64CFUER - 16-bit HCS12 MCU, 64KB Flash | NXP
MPN: MC9S12D64CFUER ✓ Hoạt độngMC9S12D64CFUER Tóm tắt
An HCS12 microcontroller is a 16-bit CISC core designed for automotive and industrial real-time control, belonging to the broader category of microcontrollers (MCU) -> embedded processors -> semiconductors. The HCS12 family evolved from the HC11 architecture and adds enhanced instructions, a wider bus, and integrated peripherals such as CAN, making it suitable for body controllers, instrument clusters, and sensor interfaces.
Key features of the MC9S12D64CFUER include 64KB (64K x 8) of Flash program memory, 4KB of RAM, 59 general-purpose I/O pins, an internal oscillator, and 2.5V/5V operating voltage. The device integrates peripheral blocks including CAN 2.0, SCI, SPI, timers, an 8-channel 10-bit ADC, and a PWM module. The wide supply range and industrial temperature grade support deployment in harsh environments.
Technically, the MC9S12D64CFUER uses a 16-bit HCS12 CPU core with background debug module (BDM) for non-intrusive debug, an integrated voltage regulator for single 5V supply operation, and the System Integration Module (SIM) that consolidates clock generation, reset, and interrupt control. The external bus can be configured for 8-bit narrow mode to interface with cost-optimized external memories.
Typical applications include automotive body electronics, instrument clusters, HVAC controls, industrial control modules, sensor interface boards, and small appliance controllers. The on-chip CAN controller and robust peripheral set make it especially attractive for in-vehicle networking nodes.
Designers should note that the suffix 'CFUE' denotes the 80-QFP package and 'R' indicates Tape & Reel packaging. An external 4 MHz-16 MHz crystal is typically required for the PLL-based bus clock generator, and decoupling should follow standard MCU practice with 100 nF + 10 uF near each supply pin.
This page consolidates distributor pricing, parametric data, drop-in same-package alternatives, and practical design notes that complement the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho MC9S12D64CFUER — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MC9S12D64CFUER (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, ADC, Supply Voltage, RAM.
MC9S12D64CFUE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12D64MFUE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S9S12D64F0CFUER
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S12DJ128MFUE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12E64CFUER
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12DT128MPVE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12D64CFUER Tỷ lệ tối đa & tính chất điện
| Manufacturer | NXP Semiconductors |
| Series | HCS12 / S12D |
| Core Processor | HCS12 (16-bit CISC) |
| Core Size | 16-Bit |
| Speed | 25 MHz |
| Program Memory Size | 64 KB (64K x 8) Flash |
| RAM Size | 4 KB |
| Number of I/O | 59 |
| Connectivity | CAN, SCI, SPI |
| Peripherals | PWM, 8-ch 10-bit ADC, Timers, BDM |
| Oscillator Type | Internal |
| Operating Voltage | 2.5 V / 5 V |
| Hộp / Vỏ | 80-QFP (14x14 mm) |
| Kiểu lắp đặt | Surface Mount |
| Packaging | Tape & Reel (TR) |
| Temperature Grade | Industrial |
| Trạng thái RoHS | Compliant |
Cấu hình chân MC9S12D64CFUER
| Chân 1 | BKGD — Background Debug Mode pin |
| Chân 2 | VDDR — Voltage regulator power input |
| Chân 3 | VDD — Digital supply (2.5V core) |
| Chân 4 | VSS — Ground |
| Chân 5 | RESET — Reset input, active low |
| Chân 6 | XTAL — Crystal oscillator input |
| Chân 7 | EXTAL — External clock/crystal input |
| Chân 8 | PE0 — Port E bit 0 / XIRQ |
| Chân 9 | PE1 — Port E bit 1 / IRQ |
| Chân 10 | PE2 — Port E bit 2 |
| Chân 11 | PE3 — Port E bit 3 |
| Chân 12 | PE4 — Port E bit 4 |
| Chân 13 | PE5 — Port E bit 5 |
| Chân 14 | PE7 — Port E bit 7 / ECLK |
| Chân 15 | VSSX — I/O ground reference |
| Chân 16 | VDDX — I/O supply (5V) |
| Chân 17 | PA0 — Port A bit 0 / AN0 |
| Chân 18 | PA1 — Port A bit 1 / AN1 |
| Chân 19 | PA2 — Port A bit 2 / AN2 |
| Chân 20 | PA3 — Port A bit 3 / AN3 |
| Chân 21 | PA4 — Port A bit 4 / AN4 |
| Chân 22 | PA5 — Port A bit 5 / AN5 |
| Chân 23 | PA6 — Port A bit 6 / AN6 |
| Chân 24 | PA7 — Port A bit 7 / AN7 |
| Chân 25 | VRL — ADC reference low |
| Chân 26 | VRH — ADC reference high |
| Chân 27 | PB0 — Port B bit 0 |
| Chân 28 | PB1 — Port B bit 1 |
| Chân 29 | PB2 — Port B bit 2 |
| Chân 30 | PB3 — Port B bit 3 |
| Chân 31 | PB4 — Port B bit 4 |
| Chân 32 | PB5 — Port B bit 5 |
| Chân 33 | PB6 — Port B bit 6 |
| Chân 34 | PB7 — Port B bit 7 |
| Chân 35 | PC0 — Port C bit 0 / DATA0 |
| Chân 36 | PC1 — Port C bit 1 / DATA1 |
| Chân 37 | PC2 — Port C bit 2 / DATA2 |
| Chân 38 | PC3 — Port C bit 3 / DATA3 |
| Chân 39 | PC4 — Port C bit 4 / DATA4 |
| Chân 40 | PC5 — Port C bit 5 / DATA5 |
| Chân 41 | PC6 — Port C bit 6 / DATA6 |
| Chân 42 | PC7 — Port C bit 7 / DATA7 |
| Chân 43 | PD0 — Port D bit 0 / SS |
| Chân 44 | PD1 — Port D bit 1 / SCK |
| Chân 45 | PD2 — Port D bit 2 / MOSI |
| Chân 46 | PD3 — Port D bit 3 / MISO |
| Chân 47 | PD4 — Port D bit 4 / TXCAN |
| Chân 48 | PD5 — Port D bit 5 / RXCAN |
| Chân 49 | PD6 — Port D bit 6 |
| Chân 50 | PD7 — Port D bit 7 |
| Chân 51 | PWM0 — PWM channel 0 output |
| Chân 52 | PWM1 — PWM channel 1 output |
| Chân 53 | PWM2 — PWM channel 2 output |
| Chân 54 | PWM3 — PWM channel 3 output |
| Chân 55 | PWM4 — PWM channel 4 output |
| Chân 56 | PWM5 — PWM channel 5 output |
| Chân 57 | PWM6 — PWM channel 6 output |
| Chân 58 | PWM7 — PWM channel 7 output |
| Chân 59 | PP0 — Port P bit 0 / KWP0 |
| Chân 60 | PP1 — Port P bit 1 / KWP1 |
| Chân 61 | PP2 — Port P bit 2 / KWP2 |
| Chân 62 | PP3 — Port P bit 3 / KWP3 |
| Chân 63 | PP4 — Port P bit 4 / KWP4 |
| Chân 64 | PP5 — Port P bit 5 / KWP5 |
| Chân 65 | PP6 — Port P bit 6 / KWP6 |
| Chân 66 | PP7 — Port P bit 7 / KWP7 |
| Chân 67 | PJ0 — Port J bit 0 |
| Chân 68 | PJ1 — Port J bit 1 |
| Chân 69 | PJ6 — Port J bit 6 |
| Chân 70 | PJ7 — Port J bit 7 |
| Chân 71 | PK0 — Port K bit 0 / XADDR0 |
| Chân 72 | PK1 — Port K bit 1 / XADDR1 |
| Chân 73 | PK2 — Port K bit 2 / XADDR2 |
| Chân 74 | PK3 — Port K bit 3 / XADDR3 |
| Chân 75 | PK4 — Port K bit 4 / XADDR4 |
| Chân 76 | PK5 — Port K bit 5 / XADDR5 |
| Chân 77 | PK6 — Port K bit 6 / XADDR6 |
| Chân 78 | PK7 — Port K bit 7 / XADDR7 |
| Chân 79 | TEST — Test mode pin (tie low in application) |
| Chân 80 | MODC — Mode select (tie low for normal single-chip mode) |
Ứng dụng tiêu biểu
MC9S12D64CFUER phù hợp cho 6 Áp dụngs: Automotive Body Control Modules, Instrument Cluster Displays, HVAC Control Modules, Industrial Sensor Interface Boards, CAN-Based Appliance Controllers, Small Engine ECUs (non-automotive).
Automotive Body Control Modules
The MC9S12D64CFUER fits automotive body controllers because it integrates a CAN 2.0 controller, SCI/SPI peripherals, and a 16-bit HCS12 core running at 25 MHz within an 80-QFP package. Its 59 I/O pins and 8-channel 10-bit ADC enable direct interface to body switches, lamps, and door/wiper actuators without external glue logic. The on-chip 5V-to-2.5V converter simplifies the power tree to a single 12V->5V regulator. Compared with newer Cortex-M parts, the HCS12's deterministic interrupt latency are often preferred for body networks, and the -40 C to +85 C industrial grade is well-matched to cabin environments.
Được đề xuất
Instrument Cluster Displays
Instrument clusters benefit from the MC9S12D64CFUER's 16-bit PWM channels for gauge drive, the on-chip 8-channel 10-bit ADC for fuel/temperature sensing, and the SCI/SPI interfaces for cluster-display communication. With 64 KB Flash it can host vector graphics libraries and diagnostic UDS stacks via CAN, while 4 KB RAM supports real-time gauge math. The 80-QFP 14x14 mm package allows through-hole-style reflow soldering on instrument-cluster PCAs where mechanical retention matters. Compared with low-end 8-bit MCUs, the HCS12's deterministic CAN and PWM make gauge servicing straightforward. Choose this part for cluster designs that must stay on the long-lived NXP HCS12 supply line.
Được đề xuất
HVAC Control Modules
HVAC modules need a mix of analog acquisition, PWM for blower/fan control, and CAN to talk to the body network - exactly the MC9S12D64CFUER's feature mix. The 8-channel 10-bit ADC handles mixed NTC temperature and humidity sensors, and the 16-bit timers deliver accurate PWM for blower motors and stepper drive. With 64 KB Flash and 4 KB RAM, designers can host PID loops and CAN UDS diagnostics without external memory. The 80-QFP industrial-grade package tolerates the elevated under-dash ambient temperatures. For larger HVAC modules with rear-seat climate, upgrade to the 128 KB Flash MC9S12DT128MPVE on the same footprint.
Được đề xuất
Industrial Sensor Interface Boards
Industrial sensor nodes benefit from the MC9S12D64CFUER's CAN connectivity, 10-bit ADC, and HCS12 deterministic interrupt latency. The 25 MHz core supports 1 ms CAN cycle tasks while leaving headroom for SPI-driven sensors. The 80-QFP industrial-temperature grade (-40 C to +85 C) suits factory-floor cabinets. With 64 KB Flash, designers can integrate Modbus/CANopen stacks alongside custom logic. The wide 5 V supply tolerance and internal regulator make the part robust against industrial rail transients. For nodes requiring more code, upgrade to MC9S12DJ128MFUE on the same footprint.
Được đề xuất
CAN-Based Appliance Controllers
White goods and HVAC appliances increasingly adopt CAN for internal networking - the MC9S12D64CFUER provides the MSCAN controller and SCI/SPI peripherals needed for these nodes. Its 16-bit PWM and timers drive motor inverters and valve actuators, while the 10-bit ADC reads thermistors and pressure sensors. With 64 KB Flash and 4 KB RAM, the part hosts safety stacks and CANopen device profiles without external memory. The 80-QFP package is well-suited to white-goods appliance main boards where through-hole-style retention aids serviceability. For higher-feature appliances, choose the 128 KB Flash MC9S12DT128MPVE on the same footprint.
Được đề xuất
Small Engine ECUs (non-automotive)
The MC9S12D64CFUER suits small two-/four-stroke engine ECUs for motorcycles, generators, and outdoor power equipment, where its 16-bit HCS12 core runs precise fuel/spark timing algorithms. The 8-channel 10-bit ADC reads throttle position, MAP, and O2 sensors; the 16-bit timers drive ignition coils and injector stages. CAN connectivity enables OBD-II compliance on generator and outdoor-power SKUs. The 64 KB Flash accommodates calibration data plus application code. The 80-QFP industrial grade tolerates under-bonnet and outdoor temperatures when paired with proper housing. Choose MC9S12D64MFUE on the same footprint if engine RPMs demand 50 MHz core speed.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S12D64CFUER — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | MC9S12D64CFUE | MC9S12D64MFUE | S9S12D64F0CFUER | MC9S12DJ128MFUE | MC9S12E64CFUE | MC9S12DT128MPVE |
|---|---|---|---|---|---|---|---|
| Package | 80-QFP (14x14 mm) | 80-QFP (14x14 mm) - same | 80-QFP (14x14 mm) - same | 80-QFP (14x14 mm) - same | 80-QFP (14x14 mm) - same | 80-QFP (14x14 mm) - same | 80-QFP (14x14 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Max Frequency | HCS12 / 25 MHz | HCS12 / 25 MHz | HCS12 / 50 MHz | HCS12 / 25 MHz | HCS12 / 25 MHz | HCS12 / 25 MHz | HCS12 / 25 MHz |
| Flash Memory | 64 KB | 64 KB | 64 KB | 64 KB | 128 KB | 64 KB | 128 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 8 KB | 4 KB | 8 KB |
| Number of I/O | 59 | 59 | 59 | 59 | 59 | 59 | 59 |
| CAN Controller | Yes (MSCAN) | Yes (MSCAN) | Yes (MSCAN) | Yes (MSCAN) | Yes (MSCAN) | No | Yes (MSCAN) |
| ADC | 8-ch 10-bit | 8-ch 10-bit | 8-ch 10-bit | 8-ch 10-bit | 8-ch 10-bit | 8-ch 10-bit | 8-ch 10-bit |
| Operating Voltage | 5 V (2.5 V core) | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Packaging Form | Tape & Reel (TR) | Tray | Tray | Tape & Reel | Tray | Tray | Tray |
Bảo phân biệt quan trọng
- Same 80-QFP footprint as all other S12D variants, enabling PCB reuse across product SKUs (vsMC9S12E64CFUE)
- Cost-optimized 25 MHz core when 50 MHz flash is not required (vsMC9S12D64MFUE)
- Industrial temperature grade for under-dash and outdoor cabinets (vsMC9S12DJ128MFUE)
Ghi chú thiết kế
The MC9S12D64CFUER integrates a 5V-to-2.5V regulator; per the NXP datasheet, VDDR (pin 2) is the regulator input and VDD (pin 3) is the internal 2.5V output. Place a 100 nF ceramic + 10 uF tantalum on VDDR close to the pin, and a 100 nF on VDD. The regulator can source approximately 100 mA; avoid using it to power external loads beyond the MCU core.
The MC9S12D64CFUER's PLL requires an external 4-16 MHz crystal on XTAL/EXTAL with appropriate load capacitors (typically 10-33 pF depending on crystal CL). Per the HCS12 reference manual, the SYNR/REFDV registers configure the PLL to derive the 25 MHz bus clock; failure to configure these registers on reset leaves the MCU at the 1 MHz PLL-bypass rate. Always validate with an oscilloscope on ECLK.
The BKGD (pin 1) and MODC (pin 80) pins must be pulled low for normal single-chip operation. Leaving MODC floating or tied high forces expanded mode and disables internal Flash access, which appears as a 'bricked' part on first power-up. The TEST pin (pin 79) must also be tied to VSS per the datasheet.
Place the external CAN transceiver (TJA1050 or TJA1057) within 25 mm of the MC9S12D64CFUER's TXCAN/RXCAN pins and route the bus signals as a 100 ohm differential pair. Add a 100 nF + 10 uF bulk decoupling at the transceiver's VCC, and split the analog VRH/VRL reference pins with a 100 nF to ground. Avoid routing PWM signals beneath the crystal to prevent coupling into the PLL.
Thông tin tuân thủ
RoHS and lead-free confirmed by NXP product page. AEC-Q100 automotive qualification not explicitly indicated - confirm with NXP for AEC-Q100 deployments; temperature grade marked INDUSTRIAL.