MC9S12C64CFUE - 16-bit HCS12 MCU, 64KB Flash, 80-QFP | NXP
MPN: MC9S12C64CFUE ✗ Cuối đờiMC9S12C64CFUE Tóm tắt
A 16-bit microcontroller is a CPU class that processes data and addresses in 16-bit words, sitting between 8-bit MCUs (lower cost, simpler control) and 32-bit MCUs (higher performance, richer peripherals). The HCS12 family is NXP's (formerly Freescale/Motorola) line of 16-bit CISC microcontrollers with enhanced peripherals, on-chip Flash, and BDM (Background Debug Mode) for in-circuit programming. The S12C family specifically targets cost- and space-sensitive industrial and automotive body networks where CAN connectivity and robust peripheral integration matter more than raw CPU throughput.
Key features of the MC9S12C64CFUE include up to 50 MHz bus clock via an internal PLL, an enhanced 8-channel 10-bit ADC, up to 31 digital I/O ports, multiple timers (ECT 16-bit, 8-bit PWM, periodic interrupt), a serial peripheral interface (SPI), two SCI (UART) channels, and a 1 Mbyte/sec CAN 2.0 A/B controller. An on-chip bandgap-based voltage regulator supports a 2.97 V to 5.5 V external supply, and the part supports a single-wire BDM debug interface for development and field programming.
Architecturally the S12C integrates the CPU12 core, Flash with EEPROM-like byte-erase and security features, RAM, a phase-locked loop (PLL), and peripheral logic on a single chip. The PLL allows the bus clock to be derived from a low-frequency external crystal, reducing EMI and BOM cost. The 25 MHz HCS12 instruction cycle and integrated peripherals make it well suited for real-time control loops in body-electronics modules and small industrial nodes.
Typical applications include automotive body control modules (BCM), instrument clusters, HVAC controllers, seat and mirror controllers, industrial CAN nodes, sensor interfaces, and low-end motor control. The device balances 16-bit performance, on-chip Flash and CAN 2.0 in a compact LQFP-80 footprint, which is useful for cost-sensitive designs that still need networked communication.
When designing with this part, ensure the external 2.97 V to 5.5 V supply is decoupled close to the VDD/VSS pins and that the PLL filter network follows the datasheet reference design. Note that this part is NRND (Not Recommended for New Designs) per NXP - existing designs may continue to source it, but new programs should evaluate active S12K or S32K successors.
This page synthesizes distributor pricing, parametric specifications, and drop-in alternatives for the MC9S12C64CFUE that are not consolidated in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho MC9S12C64CFUE — 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 MC9S12C64CFUE (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, RAM Size, Program Memory Size, Core Processor.
MC9S12C128CFUE
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S12C32CFUE
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S12E64CFUER
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12E256CFUE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S912XET256J2VAG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S12C64CFUE Tỷ lệ tối đa & tính chất điện
| Core | HCS12 (CPU12) |
| Bề rộng đường dữ liệu | 16 bit |
| Program Memory Size | 64 KB Flash |
| RAM Size | 4 KB |
| Tần số xung maksimum | 50 MHz (PLL, internal bus) |
| Base Clock Frequency | 25 MHz |
| Điện áp cung cấp | 2.97 V to 5.5 V |
| Nhiệt độ hoạt động | -40 C to +85 C |
| I/O Pins | 31 |
| ADC | 8-channel, 10-bit |
| CAN | 1 x CAN 2.0 A/B (1 Mbit/s) |
| UART (SCI) | 2 |
| SPI | 1 |
| Timers | ECT 16-bit, 8-bit modulo, PWM, PIT |
| Hộp | 80-pin LQFP (QFP 80), 14x14 mm |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| On-chip Voltage Regulator | Bandgap-based Vreg (internal VDD) |
| Debug Interface | BDM (single-wire Background Debug Mode) |
Cấu hình chân MC9S12C64CFUE
| Chân 1 | PP0/KWP0/PWM0 — Port P0 / PWM channel 0 |
| Chân 2 | PP1/KWP1/PWM1 — Port P1 / PWM channel 1 |
| Chân 3 | PP2/KWP2/PWM2 — Port P2 / PWM channel 2 |
| Chân 4 | PP3/KWP3/PWM3 — Port P3 / PWM channel 3 |
| Chân 5 | PP4/KWP4/PWM4 — Port P4 / PWM channel 4 |
| Chân 6 | PP5/KWP5/PWM5 — Port P5 / PWM channel 5 |
| Chân 7 | PP6/KWP6/PWM6 — Port P6 / PWM channel 6 |
| Chân 8 | PP7/KWP7/PWM7 — Port P7 / PWM channel 7 |
| Chân 9 | VDDR — Voltage regulator supply |
| Chân 10 | VDD — External 5 V supply (2.97 V to 5.5 V) |
| Chân 11 | VSS — Ground |
| Chân 12 | XCLKS — Clock mode select (low for loop-controlled Pierce oscillator) |
| Chân 13 | EXTAL — External clock/crystal input |
| Chân 14 | XTAL — External crystal output |
| Chân 15 | RESET — External reset (active low) |
| Chân 16 | BKGD — Background Debug Mode (BDM) pin |
| Chân 17 | MODC — Mode select |
| Chân 18 | PAD0/AN0 — Port A0 / ADC channel 0 |
| Chân 19 | PAD1/AN1 — Port A1 / ADC channel 1 |
| Chân 20 | PAD2/AN2 — Port A2 / ADC channel 2 |
| Chân 21 | PAD3/AN3 — Port A3 / ADC channel 3 |
| Chân 22 | PAD4/AN4 — Port A4 / ADC channel 4 |
| Chân 23 | PAD5/AN5 — Port A5 / ADC channel 5 |
| Chân 24 | PAD6/AN6 — Port A6 / ADC channel 6 |
| Chân 25 | PAD7/AN7 — Port A7 / ADC channel 7 |
| Chân 26 | VDDA — ADC analog supply |
| Chân 27 | VSSA — ADC analog ground |
| Chân 28 | PAB0/PS0 — Port B0 / SPI select 0 |
| Chân 29 | PAB1/PS1 — Port B1 / SPI select 1 |
| Chân 30 | PAB2/PS2 — Port B2 / SPI select 2 |
| Chân 31 | PAB3/PS3 — Port B3 / SPI select 3 |
| Chân 32 | PAB4/SCK0 — Port B4 / SPI clock 0 |
| Chân 33 | PAB5/MOSI0 — Port B5 / SPI MOSI 0 |
| Chân 34 | PAB6/MISO0 — Port B6 / SPI MISO 0 |
| Chân 35 | PAB7/SS0 — Port B7 / SPI slave select 0 |
| Chân 36 | PE0/TxD0 — Port E0 / SCI0 transmit |
| Chân 37 | PE1/RxD0 — Port E1 / SCI0 receive |
| Chân 38 | PE2/TxD1 — Port E2 / SCI1 transmit |
| Chân 39 | PE3/RxD1 — Port E3 / SCI1 receive |
| Chân 40 | PE4/CANRX — Port E4 / CAN receive |
| Chân 41 | PE5/CANTX — Port E5 / CAN transmit |
| Chân 42 | PE6/OC1 — Port E6 / Output compare 1 |
| Chân 43 | PE7/OC2 — Port E7 / Output compare 2 |
| Chân 44 | PJ0/IOC0 — Port J0 / Input capture 0 |
| Chân 45 | PJ1/IOC1 — Port J1 / Input capture 1 |
| Chân 46 | PJ2/IOC2 — Port J2 / Input capture 2 |
| Chân 47 | PJ3/IOC3 — Port J3 / Input capture 3 |
| Chân 48 | PJ4/IOC4 — Port J4 / Input capture 4 |
| Chân 49 | PJ5/IOC5 — Port J5 / Input capture 5 |
| Chân 50 | PJ6/IOC6 — Port J6 / Input capture 6 |
| Chân 51 | PJ7/IOC7 — Port J7 / Input capture 7 |
| Chân 52 | PK0/OC3 — Port K0 / Output compare 3 |
| Chân 53 | PK1/OC4 — Port K1 / Output compare 4 |
| Chân 54 | PK2/OC5 — Port K2 / Output compare 5 |
| Chân 55 | PK3/OC6 — Port K3 / Output compare 6 |
| Chân 56 | PK4/OC7 — Port K4 / Output compare 7 |
| Chân 57 | PK5 — Port K5 / general-purpose I/O |
| Chân 58 | PK6 — Port K6 / general-purpose I/O |
| Chân 59 | PK7 — Port K7 / general-purpose I/O |
| Chân 60 | PT0/IOC8 — Port T0 / Input capture 8 |
| Chân 61 | PT1/IOC9 — Port T1 / Input capture 9 |
| Chân 62 | PT2/IOC10 — Port T2 / Input capture 10 |
| Chân 63 | PT3/IOC11 — Port T3 / Input capture 11 |
| Chân 64 | PT4 — Port T4 / general-purpose I/O |
| Chân 65 | PT5 — Port T5 / general-purpose I/O |
| Chân 66 | PT6 — Port T6 / general-purpose I/O |
| Chân 67 | PT7 — Port T7 / general-purpose I/O |
| Chân 68 | PS0/RXD2 — Port S0 / SCI2 receive |
| Chân 69 | PS1/TXD2 — Port S1 / SCI2 transmit |
| Chân 70 | PS2/MISO1 — Port S2 / SPI MISO 1 |
| Chân 71 | PS3/MOSI1 — Port S3 / SPI MOSI 1 |
| Chân 72 | PS4/SCK1 — Port S4 / SPI clock 1 |
| Chân 73 | PS5/SS1 — Port S5 / SPI slave select 1 |
| Chân 74 | PS6 — Port S6 / general-purpose I/O |
| Chân 75 | PS7 — Port S7 / general-purpose I/O |
| Chân 76 | PM0 — Port M0 / general-purpose I/O |
| Chân 77 | PM1 — Port M1 / general-purpose I/O |
| Chân 78 | VDDX — External I/O supply (5 V) |
| Chân 79 | VSSX — External I/O ground |
| Chân 80 | VDDPLL — PLL supply (filtered analog) |
Ứng dụng tiêu biểu
MC9S12C64CFUE phù hợp cho 6 Áp dụngs: Automotive Body Control Module (BCM), HVAC Climate Control Module, Instrument Cluster Display Controller, Industrial CAN Sensor Node, Seat and Mirror Controller, Low-end BLDC / DC Motor Control.
Automotive Body Control Module (BCM)
The MC9S12C64CFUE fits automotive body control modules because its 16-bit HCS12 core, 64 KB Flash and 4 KB RAM handle lighting, wiper, lock and door-window logic in a single chip. The integrated CAN 2.0 A/B MSCAN at 1 Mbit/s connects the BCM to chassis and powertrain CAN buses without an external CAN transceiver silicon. The 2.97 V to 5.5 V single-rail supply matches the typical 5 V body-electronics rail, and the 80-LQFP footprint is small enough for behind-dash packaging. Unlike larger S12X or S32K parts, the S12C core keeps cost and code complexity low for non-safety body features.
Được đề xuất
HVAC Climate Control Module
Climate control modules need a small, deterministic MCU to scan temperature sensors, drive blower PWM, and command actuator motors over LIN or CAN. The MC9S12C64CFUE offers 8 channels of 10-bit ADC for NTC thermistor inputs, an enhanced 16-bit timer for capture/compare, and PWM outputs to drive blower and stepper drivers. Its 64 KB Flash fits typical HVAC control state machines and lookup-based control curves, and the 80-LQFP footprint leaves room for a small PCB inside a dashboard HVAC housing. The HCS12 core's deterministic interrupt latency suits the closed-loop blower control without RTOS overhead.
Được đề xuất
Instrument Cluster Display Controller
The MC9S12C64CFUE serves as the host MCU for a low-end instrument cluster, driving stepper motors for gauges and handling telltale LED logic via GPIO and PWM. The 16-bit HCS12 core's 25 MHz base clock with PLL-derived 50 MHz bus provides enough throughput to multiplex gauge pointers and refresh telltales without visible jitter. The 4 KB RAM holds gauge position state machines and debounced switch inputs, while 64 KB Flash stores lookup tables for gauge curves and telltale logic. Integrated SCI channels allow direct connection to BCM or diagnostic tools over UART.
Được đề xuất
Industrial CAN Sensor Node
Factory automation sensor nodes that bridge analog sensors to CANopen or DeviceNet benefit from the MC9S12C64CFUE's on-chip 10-bit ADC and integrated CAN 2.0 A/B controller. The 2.97 V to 5.5 V supply is compatible with 24 V industrial rails stepped down to 5 V, and the -40 C to +85 C industrial temperature range covers factory-floor enclosures. The 80-LQFP surface-mount package is suitable for wave-soldered or reflow-produced industrial boards. Designers can use the SPI port to add a digital sensor (e.g., pressure or accelerometer) and report both analog and digital readings over CAN.
Được đề xuất
Seat and Mirror Controller
Seat and mirror position controllers need a small, reliable MCU that can scan switches, drive small DC motors via H-bridges, and report position over CAN or LIN. The MC9S12C64CFUE's PWM outputs drive mirror-fold and seat-fore/aft H-bridge PWMs, while the 10-bit ADC reads mirror-position potentiometers. The integrated CAN 2.0 controller reports diagnostic state to the BCM, and the 64 KB Flash fits position-calibration lookup tables and trim memory. The 80-LQFP package is compact enough to fit inside the seat module enclosure.
Được đề xuất
Low-end BLDC / DC Motor Control
Low-power BLDC or brushed-DC motor control designs that don't need a Cortex-M0/M4 DSP can use the MC9S12C64CFUE's enhanced 16-bit capture timer for back-EMF sampling and 8-bit PWM for commutation timing. The 25 MHz HCS12 core with 50 MHz PLL bus handles field-oriented control loops for small fans or pumps up to a few hundred watts. The 64 KB Flash holds motor startup and parameter state, and the integrated ADC reads phase currents. The 80-LQFP package is conventional for motor-control PCBs and supports good thermal dissipation.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S12C64CFUE — 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 | MC9S12C128CFUE | MC9S12C32CFUE | MC9S12E64CFUE | MC9S12E256CFUE | S912XET256J2VAG |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 80-LQFP (14x14 mm) | 80-LQFP - same | 80-LQFP - same | 80-LQFP - same | 80-LQFP - same | 80-LQFP - same |
| Core | HCS12 (CPU12), 16-bit | HCS12 (CPU12), 16-bit | HCS12 (CPU12), 16-bit | HCS12 (CPU12), 16-bit | HCS12 (CPU12), 16-bit | S12XE (CPU12 + XGATE), 16-bit |
| Flash | 64 KB | 128 KB | 32 KB | 64 KB | 256 KB | 256 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB to 8 KB | 12 KB | 12 KB |
| Max Bus Clock | 50 MHz (PLL) | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Supply Voltage | 2.97 V to 5.5 V | 2.97 V to 5.5 V | 2.97 V to 5.5 V | 2.97 V to 5.5 V | 2.97 V to 5.5 V | 2.97 V to 5.5 V |
| CAN 2.0 | 1 x MSCAN (1 Mbit/s) | 1 x MSCAN | 1 x MSCAN | 1 x MSCAN | 1 x MSCAN | 1 to 2 x MSCAN |
| Lifecycle | NRND | NRND | NRND | NRND | NRND | Active |
Bảo phân biệt quan trọng
- Drop-in 64 KB Flash baseline in the S12C family (vsMC9S12C32CFUE)
- Lower peripheral and pin count vs S12E family (vsMC9S12E256CFUE)
- Integrated CAN 2.0 MSCAN without external silicon (vsGeneric 16-bit MCU without CAN)
Ghi chú thiết kế
The MC9S12C64CFUE requires a single 2.97 V to 5.5 V external rail on VDD/VDDR/VDDX/VDDA. Place 100 nF decoupling close to each VDD/VSS pair and a 4.7 uF to 10 uF bulk capacitor on VDDR. The internal bandgap Vreg generates the core VDD from VDDR - do not load the internal Vreg pin. Use a separate analog ground island for VSSA/VDDA to keep ADC noise below 1 LSB at 10-bit resolution.
Keep the EXTAL/XTAL traces short and surrounded by a ground pour to minimize oscillator coupling. Route the CANH/CANL differential pair as a 120-ohm impedance-matched pair with 120-ohm termination at each end of the bus, and place the external CAN transceiver within 50 mm of the MCU CANTX/CANRX pins. The BDM (BKGD) pin should be accessible on a 2-pin header for in-circuit programming and debug.
Do not connect any load to the internal Vreg pin; the bandgap regulator is intended only to power the internal core. When migrating from MC9S12C64CFUE to MC9S12C128CFUE or MC9S12E256CFUE, verify that pin 1, IRQ, BDM and CAN pin assignments match the package datasheet - the S12E family differs in peripheral mapping even though the LQFP-80 footprint is shared. Always lock the Flash security bits after final programming to prevent in-field code extraction.
Thông tin tuân thủ
RoHS compliant per NXP product page. Not AEC-Q100 qualified at the standard 'C' grade; 'M' grade variants may carry wider automotive qualification - verify against NXP's AEC-Q100 letter before design-in. Halogen-free status not explicitly stated in the verified data.
