MC9S12B64CFUE - 16-Bit HCS12 MCU 64KB Flash 25MHz 80-QFP | NXP
MPN: MC9S12B64CFUE ⚠ Lần mua cuốiMC9S12B64CFUE Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and peripherals such as timers, ADCs, and communication interfaces. Within the embedded-systems taxonomy, this part sits under 16-bit MCU -> HCS12 family -> S12 core -> automotive-grade microcontroller -> microcontroller (IC) -> semiconductor. The HCS12 core uses a 16-bit CISC architecture with 16-bit registers and a von Neumann-style address space, optimized for deterministic real-time control loops and CAN-based vehicle networks.
Key features include 64 KB of Flash, 2 KB of RAM, 1 KB of EEPROM, an enhanced CAN 2.0A/B controller, multiple SCI/SPI ports, an 8-channel 10-bit ADC, and a 16-bit timer/periodic interrupt timer/Pulse Width Modulator module. The 'C' suffix denotes the commercial 0C to +70C temperature range, while the 'F' indicates the 80-pin QFP package. The part is part of NXP's MC9S12B family, which is fully pin-compatible, allowing designers to scale between 32 KB, 64 KB, 128 KB, and 256 KB Flash densities without altering the PCB footprint.
The architecture uses a 25 MHz bus clock derived from an on-chip PLL, supports background debug mode (BDM) for in-circuit emulation, and integrates a low-voltage reset and a low-voltage detect circuit for brown-out protection. Its automotive multiplex heritage gives it strong EMC/ESD immunity and a peripheral set that maps directly to body-control module functions.
Typical applications include automotive body controllers, instrument clusters, HVAC control modules, door/window/seat controllers, CAN nodes, and industrial CAN-based slave devices where a small, deterministic, automotive-proven 16-bit MCU is required.
When designing with this part, place the 0.1uF decoupling capacitor as close as possible to each VDD/VSS pair and respect the BDM interface pinout for in-circuit programming. The 'C' temperature grade is commercial, not AEC-Q100 automotive-qualified - for under-hood applications consider AEC-Q100 variants.
This page synthesizes distributor pricing, drop-in alternatives from the MC9S12B family, and practical design notes not consolidated in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho MC9S12B64CFUE — 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 MC9S12B64CFUE (cùng hình factor và footprint) — khác nhau ở Package, Core, Program Memory Size, RAM Size, RoHS Status.
MC9S12B128CFUE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12B32CFUE
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S12E256CFUE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12E64CFUER
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12B64MFUE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12B64CFUE Tỷ lệ tối đa & tính chất điện
| Core | HCS12 (S12 CISC, 16-bit) |
| Flash Memory | 64 KB |
| RAM | 2 KB |
| EEPROM | 1 KB |
| Maximum CPU Frequency | 25 MHz |
| Điện áp cung cấp | 5 V (typical) |
| Khoảng nhiệt độ hoạt động | 0C to +70C (commercial 'C' grade) |
| Hộp | 80-QFP (14x14 mm) |
| Kiểu lắp đặt | Surface Mount |
| ADC | 8-channel, 10-bit |
| CAN Module | 1x MSCAN 2.0A/B |
| SCI/SPI | 2x SCI, 1x SPI |
| Timers | 16-bit Timer + 8-bit PWM + PIT |
| Debug Interface | Background Debug Mode (BDM) |
| Trạng thái RoHS | Compliant |
| Lead-Free / Terminal Finish | Matte Tin (Sn) |
| Peak Reflow Temperature | 260C (max 40 s) |
Cấu hình chân MC9S12B64CFUE
| Chân 1 | VRH — ADC reference high voltage |
| Chân 2 | VRL — ADC reference low voltage |
| Chân 3 | VDDR — Voltage regulator decoupling |
| Chân 4 | VDD — Digital supply voltage (5V) |
| Chân 5 | VSS — Digital ground |
| Chân 6 | VDDA — Analog supply voltage |
| Chân 7 | VSSA — Analog ground |
| Chân 8 | PAD — Internal PAD pin (no-connect in 80-QFP) |
| Chân 9 | RESET — Active-low external reset input |
| Chân 10 | MODC — Mode select / BKGD |
| Chân 11 | BKGD — Background Debug Mode data |
| Chân 12 | XTAL — Crystal oscillator input |
| Chân 13 | EXTAL — Crystal oscillator output |
| Chân 14 | PE0 — Port E bit 0 (general I/O) |
| Chân 15 | PE1 — Port E bit 1 (general I/O) |
| Chân 16 | PE2 — Port E bit 2 (general I/O) |
| Chân 17 | PE3 — Port E bit 3 (general I/O) |
| Chân 18 | PE4 — Port E bit 4 (general I/O) |
| Chân 19 | PE5 — Port E bit 5 (general I/O) |
| Chân 20 | PE6 — Port E bit 6 (general I/O) |
| Chân 21 | PE7 — Port E bit 7 (general I/O) |
| Chân 22 | PH0 — Port H bit 0 (general I/O / IRQ) |
| Chân 23 | PH1 — Port H bit 1 (general I/O / IRQ) |
| Chân 24 | PH2 — Port H bit 2 (general I/O / IRQ) |
| Chân 25 | PH3 — Port H bit 3 (general I/O / IRQ) |
| Chân 26 | PH4 — Port H bit 4 (general I/O / IRQ) |
| Chân 27 | PH5 — Port H bit 5 (general I/O / IRQ) |
| Chân 28 | PH6 — Port H bit 6 (general I/O / IRQ) |
| Chân 29 | PH7 — Port H bit 7 (general I/O / IRQ) |
| Chân 30 | PJ0 — Port J bit 0 (CAN Tx / general I/O) |
| Chân 31 | PJ1 — Port J bit 1 (CAN Rx / general I/O) |
| Chân 32 | PJ2 — Port J bit 2 (general I/O) |
| Chân 33 | PJ3 — Port J bit 3 (general I/O) |
| Chân 34 | PJ4 — Port J bit 4 (general I/O) |
| Chân 35 | PJ5 — Port J bit 5 (general I/O) |
| Chân 36 | PJ6 — Port J bit 6 (general I/O) |
| Chân 37 | PJ7 — Port J bit 7 (general I/O) |
| Chân 38 | PK0 — Port K bit 0 (general I/O) |
| Chân 39 | PK1 — Port K bit 1 (general I/O) |
| Chân 40 | PK2 — Port K bit 2 (general I/O) |
| Chân 41 | PK3 — Port K bit 3 (general I/O) |
| Chân 42 | PK4 — Port K bit 4 (general I/O) |
| Chân 43 | PK5 — Port K bit 5 (general I/O) |
| Chân 44 | PK6 — Port K bit 6 (general I/O) |
| Chân 45 | PK7 — Port K bit 7 (general I/O) |
| Chân 46 | PA0 — Port A bit 0 (general I/O / timer) |
| Chân 47 | PA1 — Port A bit 1 (general I/O / timer) |
| Chân 48 | PA2 — Port A bit 2 (general I/O / timer) |
| Chân 49 | PA3 — Port A bit 3 (general I/O / timer) |
| Chân 50 | PA4 — Port A bit 4 (general I/O / timer) |
| Chân 51 | PA5 — Port A bit 5 (general I/O / timer) |
| Chân 52 | PA6 — Port A bit 6 (general I/O / timer) |
| Chân 53 | PA7 — Port A bit 7 (general I/O / timer) |
| Chân 54 | PB0 — Port B bit 0 (general I/O / SPI / SCI) |
| Chân 55 | PB1 — Port B bit 1 (general I/O / SPI / SCI) |
| Chân 56 | PB2 — Port B bit 2 (general I/O / SPI / SCI) |
| Chân 57 | PB3 — Port B bit 3 (general I/O / SPI / SCI) |
| Chân 58 | PB4 — Port B bit 4 (general I/O / SPI / SCI) |
| Chân 59 | PB5 — Port B bit 5 (general I/O / SPI / SCI) |
| Chân 60 | PB6 — Port B bit 6 (general I/O / SPI / SCI) |
| Chân 61 | PB7 — Port B bit 7 (general I/O / SPI / SCI) |
| Chân 62 | PC0 — Port C bit 0 (general I/O / PWM) |
| Chân 63 | PC1 — Port C bit 1 (general I/O / PWM) |
| Chân 64 | PC2 — Port C bit 2 (general I/O / PWM) |
| Chân 65 | PC3 — Port C bit 3 (general I/O / PWM) |
| Chân 66 | PC4 — Port C bit 4 (general I/O / PWM) |
| Chân 67 | PC5 — Port C bit 5 (general I/O / PWM) |
| Chân 68 | PC6 — Port C bit 6 (general I/O / PWM) |
| Chân 69 | PC7 — Port C bit 7 (general I/O / PWM) |
| Chân 70 | PD0 — Port D bit 0 (general I/O / SCI) |
| Chân 71 | PD1 — Port D bit 1 (general I/O / SCI) |
| Chân 72 | PD2 — Port D bit 2 (general I/O / SCI) |
| Chân 73 | PD3 — Port D bit 3 (general I/O / SCI) |
| Chân 74 | PD4 — Port D bit 4 (general I/O / SCI) |
| Chân 75 | PD5 — Port D bit 5 (general I/O / SCI) |
| Chân 76 | PD6 — Port D bit 6 (general I/O / SCI) |
| Chân 77 | PD7 — Port D bit 7 (general I/O / SCI) |
| Chân 78 | PF0 — Port F bit 0 (general I/O / IRQ) |
| Chân 79 | PF1 — Port F bit 1 (general I/O / IRQ) |
| Chân 80 | PF2 — Port F bit 2 (general I/O / IRQ) |
Ứng dụng tiêu biểu
MC9S12B64CFUE phù hợp cho 7 Áp dụngs: Automotive Body Controller, Instrument Cluster Controller, HVAC Control Module, Door/Window/Seat Node (CAN Slave), Industrial CAN-Based Slave Device, Battery Management Slave (for 12V Systems), Marine / Off-Road Instrument Module.
Automotive Body Controller
The MC9S12B64CFUE fits automotive body-control modules where 64 KB of Flash and 2 KB of RAM are sufficient for centralized lighting, door-lock, and wiper logic. Its on-chip MSCAN module supports 2.0A/B communication at up to 1 Mbit/s, interfacing directly with the vehicle CAN bus through an external TJA1050 transceiver. The HCS12 core's deterministic interrupt latency (<= 100 ns at 25 MHz) ensures timely response to LIN/CAN wake events. The part's automotive multiplexing heritage (inherited from Freescale) provides strong EMC/ESD tolerance needed for body-network environments.
Được đề xuất
Instrument Cluster Controller
The MC9S12B64CFUE serves as the master MCU in instrument-cluster designs driving stepper-motor gauges or LCD segment displays. Its 8-channel 10-bit ADC reads fuel level, oil pressure, and battery voltage sensors with adequate resolution for gauge indication, while the SCI/SPI ports connect to companion gauge-driver ICs. The 64 KB Flash accommodates full cluster firmware including warning logic and diagnostic UDS routines. The 80-QFP package's 14x14 mm footprint is well-suited to PCB behind the cluster bezel.
Được đề xuất
HVAC Control Module
The MC9S12B64CFUE is well-matched to HVAC control modules that manage blower speed, mode doors, and climate sensors. The 16-bit core handles PID blower-fan control loops in firmware while the 16-bit Timer drives PWM output for the blower FET bridge. The 8-channel ADC samples cabin and outside-air temperature thermistors with 10-bit precision suitable for +/-1C control accuracy. The on-chip EEPROM (1 KB) stores user calibration settings across power cycles without external memory.
Được đề xuất
Door/Window/Seat Node (CAN Slave)
The MC9S12B64CFUE acts as a CAN-based slave node in distributed body-electronics architectures (e.g., door modules controlling window, mirror, and lock actuators). The MSCAN module communicates with a central body controller over a 500 kbit/s CAN bus, while 8-channel PWM outputs drive mirror adjust and window-lift motors. Its compact 80-QFP footprint and 25 MHz performance give cost-effective local intelligence. The part's low-power STOP and WAIT modes support quiescent current budgets required for always-powered nodes.
Được đề xuất
Industrial CAN-Based Slave Device
Beyond automotive, the MC9S12B64CFUE is used in industrial CANopen slave devices such as sensor hubs, valve actuators, and remote I/O blocks. The MSCAN module implements CANopen CiA 401/402/406 profiles directly, while the 64 KB Flash fits an embedded CANopen stack (e.g., CANopenNode). The 0 to +70C commercial grade is suitable for indoor control cabinets; the pin-compatible MC9S12B64MFUE extends operation to -40/+125C for outdoor or factory-floor environments with wider thermal ranges.
Được đề xuất
Battery Management Slave (for 12V Systems)
The MC9S12B64CFUE is suitable as a 12V lead-acid battery management slave that monitors cell voltage and temperature over CAN. The on-chip ADC (8-channel, 10-bit) reads individual cell voltages through external resistor dividers, and the SCI/UART links to a wireless telematics modem. The 64 KB Flash accommodates SOC/SOH algorithms while the 1 KB EEPROM retains calibration and lifetime cycle counters. The HCS12 core's BDM interface allows in-line firmware updates during service.
Được đề xuất
Marine / Off-Road Instrument Module
The MC9S12B64CFUE fits marine and off-road vehicle instrument modules exposed to humidity, vibration, and -20 to +70C thermal envelopes. The HCS12 core runs gauge, lighting, and NMEA-2000 (CAN-based) networking code within the 64 KB Flash budget. Its automotive heritage provides the vibration and ESD robustness needed for these environments. The SCI/UART ports interface GPS receivers or NMEA-0183 gateways for hybrid marine navigation stacks.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S12B64CFUE — 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 | MC9S12B128CFUE | MC9S12B32CFUE | MC9S12E256CFUE | MC9S12E64CFUE | MC9S12B64MFUE |
|---|---|---|---|---|---|---|
| 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 |
| Flash | 64 KB | 128 KB (+100%) | 32 KB (-50%) | 256 KB (+300%) | 64 KB (same) | 64 KB (same) |
| Core Speed | 25 MHz | 25 MHz (same) | 25 MHz (same) | 25 MHz (same) | 25 MHz (same) | 25 MHz (same) |
| Temperature Grade | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | -40C to +125C (Automotive) |
| RAM | 2 KB | 2 KB (same) | 1 KB (-50%) | 4 KB (+100%) | 4 KB (+100%) | 2 KB (same) |
| EEPROM | 1 KB | 1 KB (same) | 1 KB (same) | 1 KB (same) | 1 KB (same) | 1 KB (same) |
| CAN Modules | 1x MSCAN | 1x MSCAN (same) | 1x MSCAN (same) | 2x MSCAN (+100%) | 2x MSCAN (+100%) | 1x MSCAN (same) |
| Pin / Package Match | 80-QFP (this product) | Yes - drop-in | Yes - drop-in | Yes - drop-in | Yes - drop-in | Yes - drop-in |
Bảo phân biệt quan trọng
- Commercial-grade HCS12 in standard 80-QFP footprint (vsMC9S12B64MFUE)
- Pin-compatible scaling across the MC9S12B family (vsMC9S12B128CFUE)
- Single-CAN baseline versus dual-CAN E-series (vsMC9S12E256CFUE)
Ghi chú thiết kế
The MC9S12B64CFUE draws ~50 mA in RUN at 25 MHz with all peripherals active. Decouple each VDD/VSS pair with a 0.1 uF ceramic capacitor placed within 5 mm of the pin; add a single 10 uF bulk tantalum at the regulator output. The internal 2.5V VDDR regulator needs its own 0.1 uF + 4.7 uF decoupling network to suppress PLL phase noise. Power sequencing is single-rail - no special power-up order is required.
Do not leave the BKGD/MODC pin unbonded during in-circuit programming - BDM requires a known logic level. Series-terminate the CANH/CANL lines to the external TJA1050 with 120 ohm split termination. The 'C' temperature grade (0 to +70C) makes this part unsuitable for under-hood automotive use - choose MC9S12B64MFUE for AEC-Q100 environments. Avoid 5V signal input to PJ0/PJ1 CAN pins without proper bus transceiver, since raw CAN bus access can damage the MCU.
Route the ADC reference traces (VRH/VRL) away from digital switching signals to prevent code-noise coupling. Use a star-ground topology with the MCU's VSSA tied to a single quiet ground point. Place the external crystal (XTAL/EXTAL) within 10 mm of the MCU pins with short, symmetric traces; ground the crystal can to a quiet ground island. The 80-QFP package has a perimeter pin arrangement that simplifies escape routing - allocate inner layers for the 16-bit data bus.
Thông tin tuân thủ
RoHS compliant with Matte Tin (Sn) terminal finish per Partstack JESD-609 Code e3. Peak reflow 260C / 40 s. Commercial temperature grade (0 to +70C) - not AEC-Q100 qualified; for AEC-Q100 choose MC9S12B64MFUE.