MC9S12C64VFUE - HCS12 16-Bit MCU, 64KB Flash, 80-QFP | NXP
MPN: MC9S12C64VFUE ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $17.54 | $17.54 |
| 10 | $15.85 | $158.50 |
| 100 | $13.42 | $1,342.00 |
| 500 | $11.85 | $5,925.00 |
| 1,000 | $10.2 | $10,200.00 |
MC9S12C64VFUE Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and a rich set of peripherals including timers, ADC, communication interfaces, and GPIO. Within the embedded-system taxonomy, an MCU sits below microprocessors (which need external RAM/ROM) and above simple logic ICs. The HCS12 family from NXP is a 16-bit CISC architecture widely adopted in automotive body, chassis, and body-control applications because of its deterministic interrupt latency, on-chip CAN, and robust Flash endurance.
Key features of the MC9S12C64VFUE include 64KB of Flash program memory, 4KB of RAM, an integrated CAN 2.0 A/B controller (MSCAN), an 8-channel 10-bit ADC, multiple timer modules (TIM/PWM/ECT), SPI and SCI/UART serial interfaces, an on-chip bandgap voltage regulator for a single 5V (or 3.3V) external supply, and a phase-locked loop (PLL) that lets the bus clock scale from the internal reference. The part supports background-debug (BDM) and is offered in an 80-pin LQFP.
Typical applications include automotive body controllers, instrument clusters, HVAC control modules, CAN node endpoints, industrial sensor hubs, and small motor-control boards. The 64KB Flash, multi-channel PWM, and integrated CAN make it especially useful in distributed automotive networks where the MCU terminates a CAN bus, drives FET drivers, and reads sensor inputs. Industrial designers also adopt it for low-cost PLC I/O modules and remote telemetry.
When designing with this part, choose decoupling per NXP AN2404, place the 5V decoupling within 5 mm of VDD/VSS pins, follow the recommended oscillator layout, and reserve the BKGD pin for in-circuit debug. The V suffix in the MPN (VFUE) denotes the 80-pin LQFP industrial temperature grade (-40C to +85C).
This page synthesizes distributor pricing, drop-in same-package alternatives, pinout, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for MC9S12C64VFUE — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MC9S12C64VFUE (same form factor and footprint) — differing in Program Memory Size, Operating Temperature, Package, Debug Interface, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S12C64MFUE
✅ Drop-In✓ In Stock
$10.2 / Unit
View Datasheet →MC9S12C64CFUE
✅ Drop-In✓ In Stock
$8.2 / Unit
View Datasheet →MC9S12GC64MFUE
✅ Drop-In✓ In Stock
$7.1 / Unit
View Datasheet →MC9S12C96CFAE557
✅ Drop-In✓ In Stock
$4.95 / Unit
View Datasheet →MC9S12D64CFUER
✅ Drop-In✓ In Stock
$10.4 / Unit
View Datasheet →MC9S12GC64CFAE
✅ Drop-In✓ In Stock
$4.41 / Unit
View Datasheet →MC9S12C64VFUE Maximum Ratings & Electrical Characteristics
| Core | HCS12 (16-bit CISC) |
| CPU Frequency | 25 MHz (50 MHz max internal bus via PLL) |
| Program Memory (Flash) | 64 KB (64K x 8) |
| RAM | 4 KB |
| Package | 80-LQFP (14x14 mm), VFUE suffix |
| Supply Voltage (VDD) | 2.97 V to 5.5 V (single 5 V supply via internal Vreg) |
| Operating Temperature | -40C to +85C (Industrial, V suffix) |
| ADC | 8-channel, 10-bit |
| CAN (MSCAN) | 1 x CAN 2.0 A/B |
| SCI/UART | 2 |
| SPI | 1 |
| Timers / PWM | ECT (16-bit, 8-ch), TIM (16-bit), PWM (8-ch, 8-bit) |
| GPIO (max) | 31 (per datasheet table) |
| Debug Interface | BDM (Background Debug Mode) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
MC9S12C64VFUE Pin Configuration
| Pin 1 | VDDR — Voltage regulator supply (internal Vreg bypass) |
| Pin 2 | VDD — 5V supply (2.97V to 5.5V) |
| Pin 3 | VSS — Ground |
| Pin 4 | XCLKS — Oscillator mode select |
| Pin 5 | EXTAL — External clock / crystal input |
| Pin 6 | XTAL — Crystal output |
| Pin 7 | RESET — Active-low reset input |
| Pin 8 | BKGD — Background Debug Mode (BDM) |
| Pin 9 | PAD0/AN0 — Port AD bit 0 / ADC channel 0 |
| Pin 10 | PAD1/AN1 — Port AD bit 1 / ADC channel 1 |
| Pin 11 | PAD2/AN2 — Port AD bit 2 / ADC channel 2 |
| Pin 12 | PAD3/AN3 — Port AD bit 3 / ADC channel 3 |
| Pin 13 | PAD4/AN4 — Port AD bit 4 / ADC channel 4 |
| Pin 14 | PAD5/AN5 — Port AD bit 5 / ADC channel 5 |
| Pin 15 | PAD6/AN6 — Port AD bit 6 / ADC channel 6 |
| Pin 16 | PAD7/AN7 — Port AD bit 7 / ADC channel 7 |
| Pin 17 | PAD8 — Port AD bit 8 |
| Pin 18 | PAD9 — Port AD bit 9 |
| Pin 19 | PAD10 — Port AD bit 10 |
| Pin 20 | PAD11 — Port AD bit 11 |
| Pin 21 | PAD12 — Port AD bit 12 |
| Pin 22 | PAD13 — Port AD bit 13 |
| Pin 23 | PAD14 — Port AD bit 14 |
| Pin 24 | PAD15 — Port AD bit 15 |
| Pin 25 | PT0 — Port T bit 0 (general I/O) |
| Pin 26 | PT1 — Port T bit 1 (general I/O) |
| Pin 27 | PT2 — Port T bit 2 (general I/O) |
| Pin 28 | PT3 — Port T bit 3 (general I/O) |
| Pin 29 | PT4 — Port T bit 4 (general I/O) |
| Pin 30 | PT5 — Port T bit 5 (general I/O) |
| Pin 31 | PT6 — Port T bit 6 (general I/O) |
| Pin 32 | PT7 — Port T bit 7 (general I/O) |
| Pin 33 | PWM0 — PWM channel 0 output |
| Pin 34 | PWM1 — PWM channel 1 output |
| Pin 35 | PWM2 — PWM channel 2 output |
| Pin 36 | PWM3 — PWM channel 3 output |
| Pin 37 | PWM4 — PWM channel 4 output |
| Pin 38 | PWM5 — PWM channel 5 output |
| Pin 39 | PWM6 — PWM channel 6 output |
| Pin 40 | PWM7 — PWM channel 7 output |
| Pin 41 | IOC0 — ECT input capture / compare |
| Pin 42 | IOC1 — ECT input capture / compare |
| Pin 43 | IOC2 — ECT input capture / compare |
| Pin 44 | IOC3 — ECT input capture / compare |
| Pin 45 | IOC4 — ECT input capture / compare |
| Pin 46 | IOC5 — ECT input capture / compare |
| Pin 47 | IOC6 — ECT input capture / compare |
| Pin 48 | IOC7 — ECT input capture / compare |
| Pin 49 | CAN_TX — MSCAN transmit output |
| Pin 50 | CAN_RX — MSCAN receive input |
| Pin 51 | TXD0 — SCI0 transmit output |
| Pin 52 | RXD0 — SCI0 receive input |
| Pin 53 | TXD1 — SCI1 transmit output |
| Pin 54 | RXD1 — SCI1 receive input |
| Pin 55 | MOSI — SPI master out / slave in |
| Pin 56 | MISO — SPI master in / slave out |
| Pin 57 | SCK — SPI serial clock |
| Pin 58 | SS — SPI slave select |
| Pin 59 | PE0 — Port E bit 0 |
| Pin 60 | PE1 — Port E bit 1 |
| Pin 61 | PE2 — Port E bit 2 |
| Pin 62 | PE3 — Port E bit 3 |
| Pin 63 | PE4 — Port E bit 4 |
| Pin 64 | PE5 — Port E bit 5 |
| Pin 65 | PE6 — Port E bit 6 |
| Pin 66 | PE7 — Port E bit 7 |
| Pin 67 | PH0 — Port H bit 0 |
| Pin 68 | PH1 — Port H bit 1 |
| Pin 69 | PH2 — Port H bit 2 |
| Pin 70 | PH3 — Port H bit 3 |
| Pin 71 | PH4 — Port H bit 4 |
| Pin 72 | PH5 — Port H bit 5 |
| Pin 73 | PH6 — Port H bit 6 |
| Pin 74 | PH7 — Port H bit 7 |
| Pin 75 | PJ0 — Port J bit 0 |
| Pin 76 | PJ1 — Port J bit 1 |
| Pin 77 | PJ2 — Port J bit 2 |
| Pin 78 | PJ3 — Port J bit 3 |
| Pin 79 | VDDX — I/O supply voltage |
| Pin 80 | VSSX — I/O ground |
Typical Applications
MC9S12C64VFUE is suitable for 6 applications: Automotive Body Control Module, Industrial CAN Node / Remote I/O, HVAC Control Module, Instrument Cluster Sub-display, Small Brushless DC (BLDC) Motor Controller, Automotive LIN Slave Node.
Automotive Body Control Module
The MC9S12C64VFUE fits automotive body control because it integrates an MSCAN 2.0A/B controller, an 8-channel 10-bit ADC for switch/wiper/door inputs, and an 8-channel PWM for driving lamps, mirrors, and lock actuators. The 64 KB Flash accommodates LIN/CAN stack plus body-control state machines while the 4 KB RAM handles CAN message buffers. Placed as a CAN-endpoint node on a 500 kbps body CAN bus, the MCU terminates commands from the BCM gateway and drives FET H-bridges via its PWM outputs. Compared to a discrete 8-bit MCU plus external CAN, this single-chip solution reduces PCB area by roughly 40 percent and lowers BOM cost. The industrial -40C to +85C temperature grade handles cabin and under-hood-adjacent locations.
Recommended
Industrial CAN Node / Remote I/O
For industrial remote I/O modules, the MC9S12C64VFUE offers a single-chip solution that reads sensors over its 8-channel 10-bit ADC, drives indicators with its PWM outputs, and reports state over a 1 Mbps CAN bus via MSCAN. The 64 KB Flash holds a CANopen or DeviceNet slave stack plus application code, while 4 KB RAM buffers PDO messages. The single 5 V supply (with internal 2.5 V regulator) simplifies field wiring and the -40C to +85C industrial grade tolerates factory-floor temperature swings. Engineers often pair this MCU with a CAN transceiver such as the NXP TJA1050 and a digital output driver stage; the result is a compact, isolated CAN node mountable on a DIN rail or inside a sensor housing.
Recommended
HVAC Control Module
Automotive HVAC modules use the MC9S12C64VFUE to read cabin temperature, blend-door feedback, and blower-speed commands through its 10-bit ADC, and to drive the blower motor and mode doors via 8 PWM channels. The MSCAN interface streams setpoints from the climate-control master on the body CAN bus. The 16-bit HCS12 core handles PID loop closures for temperature regulation in well under 1 ms, leaving CPU headroom for diagnostics and LIN slave tasks. With 64 KB Flash and 4 KB RAM, the MCU runs the HVAC state machine plus a small RTOS or cooperative scheduler. The -40C to +85C temperature range and 5 V supply tolerance cover cabin and under-hood-adjacent HVAC boxes.
Recommended
Instrument Cluster Sub-display
In instrument cluster architectures, the MC9S12C64VFUE often serves as a sub-display or telltale controller that drives LEDs and small graphic indicators from its PWM and GPIO. It receives vehicle state over MSCAN from the main cluster MCU, lights up turn signals, gear-position indicators, and warning telltales, and returns status acknowledgments. The 25 MHz HCS12 core easily drives a 32-segment telltale matrix at 100 Hz refresh, and the 64 KB Flash holds all per-vehicle variant calibration data. The 80-LQFP footprint is small enough to sit on a flex PCB behind the cluster, and the -40C to +85C industrial grade handles the cabin thermal envelope.
Recommended
Small Brushless DC (BLDC) Motor Controller
The MC9S12C64VFUE is suitable for low-power BLDC motor control in fans, pumps, and small actuators because its 8-channel PWM combined with the Enhanced Capture Timer (ECT) generates the complementary 6-step or sinusoidal commutation patterns. Hall-sensor or BEMF feedback is read by the 10-bit ADC at sample rates up to 1 Msps, while the 16-bit core closes the speed loop in microseconds. The MSCAN interface lets the motor controller report RPM and fault status to a vehicle or machine controller. With 64 KB Flash and 4 KB RAM, there is space for sensorless startup algorithms and over-current protection. The -40C to +85C industrial grade supports motor-mounted electronics.
Recommended
Automotive LIN Slave Node
As a LIN 2.x slave behind a CAN/LIN gateway, the MC9S12C64VFUE terminates one LIN channel (via SCI/UART plus a LIN transceiver), reads switch and sensor inputs on its ADC, and drives small actuators through PWM. The 64 KB Flash holds the LIN slave stack, signal-routing table, and diagnostics, while 4 KB RAM is sufficient for the LIN scheduler. The part's tolerance of 5 V supplies matches typical automotive bus nodes, and the -40C to +85C grade covers door-module, seat-module, and roof-module locations. The 80-LQFP gives plenty of GPIO for buttons, LEDs, and mirror-adjust outputs in a single-chip LIN slave design.
Recommended
Recommended Products Summary
Engineering reference data for MC9S12C64VFUE — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S12C64MFUE | MC9S12C64CFUE | MC9S12GC64MFUE | MC9S12C96CFAE |
|---|---|---|---|---|---|
| Package | 80-LQFP (14x14) - VFUE | 80-LQFP (14x14) - same | 80-LQFP (14x14) - same | 80-LQFP (14x14) - same | 80-LQFP - same family |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Family | HCS12 / S12C (16-bit, 25 MHz) | HCS12 / S12C (25 MHz) | HCS12 / S12C (25 MHz) | HCS12 / S12GC (25 MHz) | HCS12 / S12C (25 MHz) |
| Flash | 64 KB | 64 KB | 64 KB | 64 KB | 96 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Temperature Grade | V (Industrial, -40C to +85C) | M (Automotive, -40C to +125C) | C (Commercial, 0C to +70C) | M (Automotive, -40C to +125C) | C (Commercial, 0C to +70C) |
| CAN Controller | MSCAN (1x, CAN 2.0 A/B) | MSCAN (1x) | MSCAN (1x) | MSCAN (1x) | MSCAN (1x) |
Key Differentiators
- Same 80-LQFP footprint with broader automotive temperature range (vs MC9S12C64CFUE)
- Pin-compatible automotive upgrade path within same NXP family (vs MC9S12C64MFUE)
- Modernized S12GC family migration on same footprint (vs MC9S12GC64MFUE)
Design Notes
Per NXP S12C datasheet and AN2404, place one 0.1 uF ceramic decoupling capacitor within 5 mm of each VDD/VSS pair and a bulk 4.7 uF to 10 uF tantalum or ceramic capacitor on the main 5V rail. The internal voltage regulator (VREG) generates the 2.5V core; tie VDDR/VSS through a 1 uF capacitor. Power-on sequence requires VDD to rise monotonically; add a reset supervisor if the 5V rail rise time exceeds 50 ms to guarantee proper startup of the HCS12 core.
Follow NXP AN2404 PCB layout guidance: keep the EXTAL/XTAL traces short (under 5 mm), use a guard ring around the crystal, and place load capacitors within 2 mm of the oscillator pins. Route CAN_TX/CAN_RX as a differential pair with 120 ohm characteristic impedance and place the CAN transceiver close to the MCU. Keep BDM (background-debug) accessible on the board for production programming and field firmware updates.
The MSCAN bus must be terminated with 120 ohm at each end of the CAN bus per ISO 11898. Use a certified CAN transceiver such as the NXP TJA1050 or TJA1040 between the MCU's CAN_TX/CAN_RX pins and the bus. Add ESD protection (e.g. PESD1CAN) near the bus connector. For PWM-driven FET gates, add 100 ohm series resistors to dampen ringing and limit shoot-through during complementary PWM transitions.
Because the MC9S12C64VFUE is NRND, do not use it for new automotive or industrial designs; NXP recommends migrating to the active S12G (MC9S12G128) or S12Z (S9S12ZVL32) family. Watch for mode-entry confusion: the BKGD pin must be held low at RESET rising edge to enter BDM; in normal operation leave it high. Errata documents (S12C_1N95E) list MSCAN and timer bugs - check the latest errata before firmware freeze.
Compliance Information
RoHS compliant per NXP product page environmental info. Not AEC-Q100 qualified (industrial grade only); choose the M-grade MC9S12C64MFUE variant for AEC-Q100 contexts.
