MC9S12C64CFUE - 16-bit HCS12 MCU, 64KB Flash, 80-QFP | NXP
N.º da peça: MC9S12C64CFUE ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $14.2 | $14,20 |
| 10 | $12.85 | $128,50 |
| 100 | $11.05 | $1.105,00 |
| 500 | $9.4 | $4.700,00 |
| 1.000 | $8.2 | $8.200,00 |
MC9S12C64CFUE Visão geral
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.
Alternativas drop-in para MC9S12C64CFUE — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MC9S12C64CFUE (mesmo formato e footprint) — diferindo em Operating Temperature, Package, Program Memory Size, RAM Size, Core Processor.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC9S12C128CFUE
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC9S12C32CFUE
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC9S12E64CFUER
✅ Drop-In✓ Em estoque
$7.4 / unidade
Ver ficha técnica →MC9S12E256CFUE
✅ Drop-In✓ Em estoque
$9.75 / unidade
Ver ficha técnica →S912XET256J2VAG
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MC9S12C64CFUE Classificações máximas e características elétricas
| Core | HCS12 (CPU12) |
| Largura do barramento de dados | 16 bit |
| Program Memory Size | 64 KB Flash |
| RAM Size | 4 KB |
| Frequência máxima de clock | 50 MHz (PLL, internal bus) |
| Base Clock Frequency | 25 MHz |
| Tensão de alimentação | 2.97 V to 5.5 V |
| Temperatura de operação | -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 |
| Encapsulamento | 80-pin LQFP (QFP 80), 14x14 mm |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
| On-chip Voltage Regulator | Bandgap-based Vreg (internal VDD) |
| Debug Interface | BDM (single-wire Background Debug Mode) |
Configuração de pinos do MC9S12C64CFUE
| Pino 1 | PP0/KWP0/PWM0 — Port P0 / PWM channel 0 |
| Pino 2 | PP1/KWP1/PWM1 — Port P1 / PWM channel 1 |
| Pino 3 | PP2/KWP2/PWM2 — Port P2 / PWM channel 2 |
| Pino 4 | PP3/KWP3/PWM3 — Port P3 / PWM channel 3 |
| Pino 5 | PP4/KWP4/PWM4 — Port P4 / PWM channel 4 |
| Pino 6 | PP5/KWP5/PWM5 — Port P5 / PWM channel 5 |
| Pino 7 | PP6/KWP6/PWM6 — Port P6 / PWM channel 6 |
| Pino 8 | PP7/KWP7/PWM7 — Port P7 / PWM channel 7 |
| Pino 9 | VDDR — Voltage regulator supply |
| Pino 10 | VDD — External 5 V supply (2.97 V to 5.5 V) |
| Pino 11 | VSS — Ground |
| Pino 12 | XCLKS — Clock mode select (low for loop-controlled Pierce oscillator) |
| Pino 13 | EXTAL — External clock/crystal input |
| Pino 14 | XTAL — External crystal output |
| Pino 15 | RESET — External reset (active low) |
| Pino 16 | BKGD — Background Debug Mode (BDM) pin |
| Pino 17 | MODC — Mode select |
| Pino 18 | PAD0/AN0 — Port A0 / ADC channel 0 |
| Pino 19 | PAD1/AN1 — Port A1 / ADC channel 1 |
| Pino 20 | PAD2/AN2 — Port A2 / ADC channel 2 |
| Pino 21 | PAD3/AN3 — Port A3 / ADC channel 3 |
| Pino 22 | PAD4/AN4 — Port A4 / ADC channel 4 |
| Pino 23 | PAD5/AN5 — Port A5 / ADC channel 5 |
| Pino 24 | PAD6/AN6 — Port A6 / ADC channel 6 |
| Pino 25 | PAD7/AN7 — Port A7 / ADC channel 7 |
| Pino 26 | VDDA — ADC analog supply |
| Pino 27 | VSSA — ADC analog ground |
| Pino 28 | PAB0/PS0 — Port B0 / SPI select 0 |
| Pino 29 | PAB1/PS1 — Port B1 / SPI select 1 |
| Pino 30 | PAB2/PS2 — Port B2 / SPI select 2 |
| Pino 31 | PAB3/PS3 — Port B3 / SPI select 3 |
| Pino 32 | PAB4/SCK0 — Port B4 / SPI clock 0 |
| Pino 33 | PAB5/MOSI0 — Port B5 / SPI MOSI 0 |
| Pino 34 | PAB6/MISO0 — Port B6 / SPI MISO 0 |
| Pino 35 | PAB7/SS0 — Port B7 / SPI slave select 0 |
| Pino 36 | PE0/TxD0 — Port E0 / SCI0 transmit |
| Pino 37 | PE1/RxD0 — Port E1 / SCI0 receive |
| Pino 38 | PE2/TxD1 — Port E2 / SCI1 transmit |
| Pino 39 | PE3/RxD1 — Port E3 / SCI1 receive |
| Pino 40 | PE4/CANRX — Port E4 / CAN receive |
| Pino 41 | PE5/CANTX — Port E5 / CAN transmit |
| Pino 42 | PE6/OC1 — Port E6 / Output compare 1 |
| Pino 43 | PE7/OC2 — Port E7 / Output compare 2 |
| Pino 44 | PJ0/IOC0 — Port J0 / Input capture 0 |
| Pino 45 | PJ1/IOC1 — Port J1 / Input capture 1 |
| Pino 46 | PJ2/IOC2 — Port J2 / Input capture 2 |
| Pino 47 | PJ3/IOC3 — Port J3 / Input capture 3 |
| Pino 48 | PJ4/IOC4 — Port J4 / Input capture 4 |
| Pino 49 | PJ5/IOC5 — Port J5 / Input capture 5 |
| Pino 50 | PJ6/IOC6 — Port J6 / Input capture 6 |
| Pino 51 | PJ7/IOC7 — Port J7 / Input capture 7 |
| Pino 52 | PK0/OC3 — Port K0 / Output compare 3 |
| Pino 53 | PK1/OC4 — Port K1 / Output compare 4 |
| Pino 54 | PK2/OC5 — Port K2 / Output compare 5 |
| Pino 55 | PK3/OC6 — Port K3 / Output compare 6 |
| Pino 56 | PK4/OC7 — Port K4 / Output compare 7 |
| Pino 57 | PK5 — Port K5 / general-purpose I/O |
| Pino 58 | PK6 — Port K6 / general-purpose I/O |
| Pino 59 | PK7 — Port K7 / general-purpose I/O |
| Pino 60 | PT0/IOC8 — Port T0 / Input capture 8 |
| Pino 61 | PT1/IOC9 — Port T1 / Input capture 9 |
| Pino 62 | PT2/IOC10 — Port T2 / Input capture 10 |
| Pino 63 | PT3/IOC11 — Port T3 / Input capture 11 |
| Pino 64 | PT4 — Port T4 / general-purpose I/O |
| Pino 65 | PT5 — Port T5 / general-purpose I/O |
| Pino 66 | PT6 — Port T6 / general-purpose I/O |
| Pino 67 | PT7 — Port T7 / general-purpose I/O |
| Pino 68 | PS0/RXD2 — Port S0 / SCI2 receive |
| Pino 69 | PS1/TXD2 — Port S1 / SCI2 transmit |
| Pino 70 | PS2/MISO1 — Port S2 / SPI MISO 1 |
| Pino 71 | PS3/MOSI1 — Port S3 / SPI MOSI 1 |
| Pino 72 | PS4/SCK1 — Port S4 / SPI clock 1 |
| Pino 73 | PS5/SS1 — Port S5 / SPI slave select 1 |
| Pino 74 | PS6 — Port S6 / general-purpose I/O |
| Pino 75 | PS7 — Port S7 / general-purpose I/O |
| Pino 76 | PM0 — Port M0 / general-purpose I/O |
| Pino 77 | PM1 — Port M1 / general-purpose I/O |
| Pino 78 | VDDX — External I/O supply (5 V) |
| Pino 79 | VSSX — External I/O ground |
| Pino 80 | VDDPLL — PLL supply (filtered analog) |
Aplicações típicas
MC9S12C64CFUE é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC9S12C64CFUE — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- Drop-in 64 KB Flash baseline in the S12C family (vs MC9S12C32CFUE)
- Lower peripheral and pin count vs S12E family (vs MC9S12E256CFUE)
- Integrated CAN 2.0 MSCAN without external silicon (vs Generic 16-bit MCU without CAN)
Notas de projeto
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.
Informações de conformidade
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.
