MC9S12C64MPBE - 16-bit HCS12 MCU, 64KB Flash 25MHz | NXP
MPN: MC9S12C64MPBE ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MC9S12C64MPBE Overview
A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and programmable peripherals into one chip, sitting at the heart of embedded control systems. The S12C belongs to the broader 16-bit microcontroller family tree: HCS12 core -> CPU12 CISC architecture -> S12 platform -> NXP (formerly Freescale, originally Motorola) automotive and industrial MCU portfolio. Flash-based 16-bit MCUs like this one replaced masked-ROM predecessors by allowing field reprogramming.
Key features include the 25 MHz HCS12 CPU12 core, 64KB (64K x 8) flash program memory, an on-chip CAN 2.0 controller for in-vehicle and industrial networks, multiple SCI (serial communication interface) UARTs, an 8-channel 10-bit ADC, and a wide operating supply derived from the 5V nominal system with on-chip voltage regulation (2.5V/5V internal domains). The MPBE speed suffix denotes the 25 MHz grade in the commercial temperature range.
Technically, the device is based on Motorola/NXP flash technology with a CISC CPU12 instruction set, background debug mode (BDM) for non-intrusive development, and a phase-locked loop (PLL) clock system that lets designers trade core speed against EMC and power. Peripheral set includes periodic interrupt timer, pulse-width modulator channels, and standard S12 bus interfaces.
Typical applications are automotive body and convenience modules (door, seat, lighting controllers), CAN-networked industrial nodes, building control, and general-purpose embedded systems where a 52-pin footprint and 64KB flash are sufficient.
Design consideration: verify lifecycle status before new designs - NXP lists this part as NRND (Not Recommended for New Designs), so new projects should target pin-compatible S12G/S12XE successors.
This page synthesizes distributor availability, drop-in family alternatives, lifecycle status, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for MC9S12C64MPBE — 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 MC9S12C64MPBE (same form factor and footprint) — differing in Package, Program Memory Size, Supply Voltage, Data Bus Width, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S12C32MPBE16
✅ Drop-In✓ In Stock
$4.93 / Unit
View Datasheet →MC9S12GC64MPBE
✅ Drop-In✓ In Stock
$9.84 / Unit
View Datasheet →MC9S12GC32MPBE
✅ Drop-In📋 Reference alternative (not in catalog)
MC9S12GC96MPBE
✅ Drop-In✓ In Stock
$6.05 / Unit
View Datasheet →MC9S12T64MPKE16
✅ Drop-In✓ In Stock
$8.8 / Unit
View Datasheet →MC9S12C64MPBE Maximum Ratings & Electrical Characteristics
| Core Processor | HCS12 (CPU12, 16-bit CISC) |
| Core Size | 16-bit |
| Maximum Clock Frequency | 25 MHz |
| Program Memory Size | 64KB (64K x 8) Flash |
| Program Memory Type | Flash |
| Data Bus Width | 16 bit |
| Supply Voltage | 2.5 V / 5 V (on-chip regulation) |
| Package | 52-TQFP / LQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Product Series | S12C (MC9S12C-Family) |
| Communication Interfaces | CAN, SCI |
| Packaging | Tray |
| Lifecycle Status | NRND (Not Recommended for New Designs) |
| Manufacturer History | Originally Motorola / Freescale Semiconductor, now NXP Semiconductors |
MC9S12C64MPBE 52-tqfp / lqfp (10x10 mm) Pin Configuration Guide
Pin configuration for MC9S12C64MPBE (52-tqfp / lqfp (10x10 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MC9S12C64MPBE.
Refer to the datasheet for full pin configuration.
Typical Applications
MC9S12C64MPBE is suitable for 6 applications: Automotive Body Control Modules, Industrial CAN Network Nodes, Legacy Product Sustainment, Embedded Training and Development Systems, Motor Control and Actuator Drivers, Battery-Powered Instrumentation.
Automotive Body Control Modules
The MC9S12C64MPBE fits automotive body and convenience electronics - door modules, seat controllers, lighting units, and wiper systems - where its integrated CAN 2.0 controller connects the node to the in-vehicle network while SCI handles end-of-line diagnostics. The 64KB flash accommodates a full control application plus a CAN bootloader, and the 25 MHz HCS12 core comfortably runs motor control loops and switch scanning. Because the part is NRND, use it for service and continuity of existing modules; for new automotive designs, evaluate the pin-compatible S12G series instead, which offers the same footprint with active lifecycle status.
Recommended
Industrial CAN Network Nodes
In factory automation and building control, the MC9S12C64MPBE serves as a CAN-bus slave node driving actuators and reading sensors. The on-chip CAN controller offloads message buffering from the CPU, while SCI links provide programming and diagnostic access. The 64KB flash stores protocol stacks such as CANopen-lite or custom point-to-point messaging, and the 5V-tolerant I/O structure simplifies interfacing with legacy 24V industrial signal-conditioning front ends. The 52-pin LQFP (10x10 mm) keeps the PCB compact while retaining enough GPIO for relay drivers and indicator LEDs in typical node designs.
Recommended
Legacy Product Sustainment
For manufacturers supporting long-lifecycle equipment - agricultural machinery, medical service parts, or installed industrial controllers - the MC9S12C64MPBE is procured to keep existing firmware running unchanged. Its form-fit-function continuity with the original Motorola/Freescale S12C design means no PCB or code changes are required when replacing failed units. Because NXP marks it NRND, procurement teams should secure a last-time-buy quantity, validate date codes, and qualify a pin-compatible successor such as MC9S12GC64MPBE in parallel so future builds can transition without board redesign.
Recommended
Embedded Training and Development Systems
The HCS12 architecture remains popular in university embedded-systems courses because the CPU12 instruction set, BDM (background debug mode), and simple external-bus behavior make low-level concepts teachable. The MC9S12C64MPBE's 64KB flash supports compiled C programs plus a resident monitor, and SCI connects directly to a PC for programming. The 52-pin LQFP can be hand-soldered on two-layer training boards, unlike fine-pitch BGA alternatives. Educational designs typically pair the MCU with an RS-232 transceiver, LEDs, and potentiometers feeding the on-chip ADC for analog input experiments.
Recommended
Motor Control and Actuator Drivers
DC motor and actuator control tasks in power windows, throttle positioners, and small industrial drives match the S12C's peripheral strengths: PWM outputs drive H-bridge or low-side FET stages while timer inputs capture hall or encoder feedback. The 25 MHz HCS12 core executes PI control loops with ample margin, and the 10-bit ADC reads current-sense shunts for protection. The 5V supply domain directly drives logic-level MOSFET gate drivers, reducing external component count. Firmware and a CAN-based command interface fit within the 64KB flash with room for OTA-style bootloaders via SCI.
Recommended
Battery-Powered Instrumentation
Portable and low-duty instrumentation benefits from the HCS12's PLL clock flexibility: the core can idle in stop or wait modes between measurement bursts, waking via SCI, timer, or CAN events. The on-chip 2.5V regulated core domain derived from a 5V rail simplifies power-tree design in battery packs feeding linear regulators. With 64KB flash, logging firmware plus a simple display driver and UART telemetry fits comfortably, and the 52-pin LQFP's moderate pin count keeps two-layer battery-powered PCBs economical. Designers should verify deep-sleep current figures in the datasheet against their battery budget.
Recommended
Recommended Products Summary
Engineering reference data for MC9S12C64MPBE — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S12C32MPBE16 | MC9S12GC64MPBE | MC9S12GC96MPBE |
|---|---|---|---|---|
| Package | 52-TQFP / LQFP (10x10 mm) | 52-LQFP (10x10 mm) - same | 52-LQFP (10x10 mm) - same | 52-LQFP (10x10 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS12 (CPU12), 16-bit | HCS12 (CPU12), 16-bit | HCS12 (CPU12), 16-bit | HCS12 (CPU12), 16-bit |
| Flash Memory | 64KB | 32KB | 64KB | 96KB |
| CAN Interface | Yes | Yes | Yes | Yes |
| Product Generation | S12C | S12C | S12GC | S12GC |
Key Differentiators
- Full 64KB flash on a compact 52-pin footprint (vs MC9S12C32MPBE16)
- Lowest-risk legacy continuity (vs MC9S12GC64MPBE)
- Highest code headroom in the 52-pin drop-in set (vs MC9S12GC96MPBE)
Design Notes
The MC9S12C64MPBE is NRND per the NXP product page (retrieved 2026-10-18). Do not start new designs on this part: contact NXP for product change notices and lifetime status, secure last-time-buy stock if you must sustain an existing design, and qualify a pin-compatible successor such as MC9S12GC64MPBE in parallel. Failing to plan the migration typically surfaces as an allocation crisis when final EOL notices are issued.
The S12C family uses a 5V-class external supply with an internal 2.5V regulated core domain. Decouple the VDD/VDDA pins per the manufacturer datasheet with local ceramic capacitors, and keep the PLL loop filter components close to the device with a quiet analog ground return. Verify the exact pin assignments in the S12C datasheet before layout, since VDDX/VSSX power-pin pairs differ between 48-, 52-, and 80-pin family members.
When driving a CAN bus, pair the on-chip CAN controller with a 5V CAN transceiver (for example a TJA1050-class part) and terminate the bus with 120 ohms at both physical ends. Route the CANH/CANDIFF pair as controlled-impedance differential traces and keep the crystal/EXTAL-XTAL traces short and guarded by ground to limit EMC. The HCS12 PLL lets you lower bus frequency in EMC-sensitive installations at the cost of control-loop latency.
Compliance Information
Compliance details were not captured in the verified data retrieved 2026-10-18. The NXP product page includes an Environmental Quality section - consult it for RoHS/REACH declarations. Distributor listings for this MPN also display RoHS detail pages.
