MC9S12C64CFUE - 16-bit HCS12 MCU, 64KB Flash, 80-QFP | NXP
MPN: MC9S12C64CFUE ✗ סוף ייצורMC9S12C64CFUE סקירה
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.
חלופות תחליף ישיר עבור MC9S12C64CFUE — 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 MC9S12C64CFUE (אותו גורם צורה וטביעת רגל) — שונים ב Operating Temperature, Package, RAM Size, Program Memory Size, Core Processor.
MC9S12C128CFUE
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MC9S12C32CFUE
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MC9S12E64CFUER
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MC9S12E256CFUE
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←S912XET256J2VAG
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MC9S12C64CFUE דירוגים מרביים ומאפיינים חשמליים
| Core | HCS12 (CPU12) |
| רוחב אפיק נתונים | 16 bit |
| Program Memory Size | 64 KB Flash |
| RAM Size | 4 KB |
| תדר שעון מקסימלי | 50 MHz (PLL, internal bus) |
| Base Clock Frequency | 25 MHz |
| מתח אספקה | 2.97 V to 5.5 V |
| טמפרטורת פעולה | -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 |
| מארז | 80-pin LQFP (QFP 80), 14x14 mm |
| סוג הרכבה | Surface Mount |
| סטטוס RoHS | Compliant |
| On-chip Voltage Regulator | Bandgap-based Vreg (internal VDD) |
| Debug Interface | BDM (single-wire Background Debug Mode) |
תצורת פינים של MC9S12C64CFUE
| פין 1 | PP0/KWP0/PWM0 — Port P0 / PWM channel 0 |
| פין 2 | PP1/KWP1/PWM1 — Port P1 / PWM channel 1 |
| פין 3 | PP2/KWP2/PWM2 — Port P2 / PWM channel 2 |
| פין 4 | PP3/KWP3/PWM3 — Port P3 / PWM channel 3 |
| פין 5 | PP4/KWP4/PWM4 — Port P4 / PWM channel 4 |
| פין 6 | PP5/KWP5/PWM5 — Port P5 / PWM channel 5 |
| פין 7 | PP6/KWP6/PWM6 — Port P6 / PWM channel 6 |
| פין 8 | PP7/KWP7/PWM7 — Port P7 / PWM channel 7 |
| פין 9 | VDDR — Voltage regulator supply |
| פין 10 | VDD — External 5 V supply (2.97 V to 5.5 V) |
| פין 11 | VSS — Ground |
| פין 12 | XCLKS — Clock mode select (low for loop-controlled Pierce oscillator) |
| פין 13 | EXTAL — External clock/crystal input |
| פין 14 | XTAL — External crystal output |
| פין 15 | RESET — External reset (active low) |
| פין 16 | BKGD — Background Debug Mode (BDM) pin |
| פין 17 | MODC — Mode select |
| פין 18 | PAD0/AN0 — Port A0 / ADC channel 0 |
| פין 19 | PAD1/AN1 — Port A1 / ADC channel 1 |
| פין 20 | PAD2/AN2 — Port A2 / ADC channel 2 |
| פין 21 | PAD3/AN3 — Port A3 / ADC channel 3 |
| פין 22 | PAD4/AN4 — Port A4 / ADC channel 4 |
| פין 23 | PAD5/AN5 — Port A5 / ADC channel 5 |
| פין 24 | PAD6/AN6 — Port A6 / ADC channel 6 |
| פין 25 | PAD7/AN7 — Port A7 / ADC channel 7 |
| פין 26 | VDDA — ADC analog supply |
| פין 27 | VSSA — ADC analog ground |
| פין 28 | PAB0/PS0 — Port B0 / SPI select 0 |
| פין 29 | PAB1/PS1 — Port B1 / SPI select 1 |
| פין 30 | PAB2/PS2 — Port B2 / SPI select 2 |
| פין 31 | PAB3/PS3 — Port B3 / SPI select 3 |
| פין 32 | PAB4/SCK0 — Port B4 / SPI clock 0 |
| פין 33 | PAB5/MOSI0 — Port B5 / SPI MOSI 0 |
| פין 34 | PAB6/MISO0 — Port B6 / SPI MISO 0 |
| פין 35 | PAB7/SS0 — Port B7 / SPI slave select 0 |
| פין 36 | PE0/TxD0 — Port E0 / SCI0 transmit |
| פין 37 | PE1/RxD0 — Port E1 / SCI0 receive |
| פין 38 | PE2/TxD1 — Port E2 / SCI1 transmit |
| פין 39 | PE3/RxD1 — Port E3 / SCI1 receive |
| פין 40 | PE4/CANRX — Port E4 / CAN receive |
| פין 41 | PE5/CANTX — Port E5 / CAN transmit |
| פין 42 | PE6/OC1 — Port E6 / Output compare 1 |
| פין 43 | PE7/OC2 — Port E7 / Output compare 2 |
| פין 44 | PJ0/IOC0 — Port J0 / Input capture 0 |
| פין 45 | PJ1/IOC1 — Port J1 / Input capture 1 |
| פין 46 | PJ2/IOC2 — Port J2 / Input capture 2 |
| פין 47 | PJ3/IOC3 — Port J3 / Input capture 3 |
| פין 48 | PJ4/IOC4 — Port J4 / Input capture 4 |
| פין 49 | PJ5/IOC5 — Port J5 / Input capture 5 |
| פין 50 | PJ6/IOC6 — Port J6 / Input capture 6 |
| פין 51 | PJ7/IOC7 — Port J7 / Input capture 7 |
| פין 52 | PK0/OC3 — Port K0 / Output compare 3 |
| פין 53 | PK1/OC4 — Port K1 / Output compare 4 |
| פין 54 | PK2/OC5 — Port K2 / Output compare 5 |
| פין 55 | PK3/OC6 — Port K3 / Output compare 6 |
| פין 56 | PK4/OC7 — Port K4 / Output compare 7 |
| פין 57 | PK5 — Port K5 / general-purpose I/O |
| פין 58 | PK6 — Port K6 / general-purpose I/O |
| פין 59 | PK7 — Port K7 / general-purpose I/O |
| פין 60 | PT0/IOC8 — Port T0 / Input capture 8 |
| פין 61 | PT1/IOC9 — Port T1 / Input capture 9 |
| פין 62 | PT2/IOC10 — Port T2 / Input capture 10 |
| פין 63 | PT3/IOC11 — Port T3 / Input capture 11 |
| פין 64 | PT4 — Port T4 / general-purpose I/O |
| פין 65 | PT5 — Port T5 / general-purpose I/O |
| פין 66 | PT6 — Port T6 / general-purpose I/O |
| פין 67 | PT7 — Port T7 / general-purpose I/O |
| פין 68 | PS0/RXD2 — Port S0 / SCI2 receive |
| פין 69 | PS1/TXD2 — Port S1 / SCI2 transmit |
| פין 70 | PS2/MISO1 — Port S2 / SPI MISO 1 |
| פין 71 | PS3/MOSI1 — Port S3 / SPI MOSI 1 |
| פין 72 | PS4/SCK1 — Port S4 / SPI clock 1 |
| פין 73 | PS5/SS1 — Port S5 / SPI slave select 1 |
| פין 74 | PS6 — Port S6 / general-purpose I/O |
| פין 75 | PS7 — Port S7 / general-purpose I/O |
| פין 76 | PM0 — Port M0 / general-purpose I/O |
| פין 77 | PM1 — Port M1 / general-purpose I/O |
| פין 78 | VDDX — External I/O supply (5 V) |
| פין 79 | VSSX — External I/O ground |
| פין 80 | VDDPLL — PLL supply (filtered analog) |
יישומים טיפוסיים
MC9S12C64CFUE מתאים עבור 6 יישוםs: 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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור MC9S12C64CFUE — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | 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 |
מבדילים עיקריים
- Drop-in 64 KB Flash baseline in the S12C family (לעומתMC9S12C32CFUE)
- Lower peripheral and pin count vs S12E family (לעומתMC9S12E256CFUE)
- Integrated CAN 2.0 MSCAN without external silicon (לעומתGeneric 16-bit MCU without CAN)
הערות תכנון
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.
מידע על תאימות
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.
