MC9S12C64MFAE - 16-bit HCS12 MCU, 64KB Flash, 25MHz | NXP
部品番号: MC9S12C64MFAE ✗ 生産終了| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $8.9 | $8.90 |
| 10 | $8.01 | $80.10 |
| 100 | $7.12 | $712.00 |
| 500 | $6.4 | $3,200.00 |
| 1,000 | $5.7 | $5,700.00 |
MC9S12C64MFAE 概要
A microcontroller is a single-chip computer that combines a processor core, program memory, data RAM, and peripherals on one die. Within the semiconductor hierarchy, the MC9S12C64MFAE sits at the 16-bit MCU level, part of NXP's (formerly Freescale/Motorola) HCS12 family, which evolved from the industry-standard 68HC11 architecture. The S12C sub-family targets cost- and space-sensitive general-purpose industrial and automotive networked applications.
Key differentiating features include the on-chip bandgap-based voltage regulator (Vreg) that generates the internal digital supply (VDD) from a wide external supply range of approximately 2.97V to 5.5V, a PLL circuit that lets the CPU run faster than the external crystal frequency, and 31 GPIO lines. These traits simplify board design and reduce external component count.
Technically, the CPU12 CISC core executes efficient 16-bit code with rich addressing modes, while the Flash memory supports in-system reprogramming for field updates. The 4K x 8 of on-chip RAM (per datasheet listings) supports buffers for the CAN and SCI stacks. The integrated MSCAN module and standard SCI/SPI serial interfaces make networked node design straightforward.
Typical applications include automotive body and network modules (CAN nodes), industrial control panels, motor control boards, and general-purpose embedded controllers where a 16-bit core with Flash and CAN is required.
Design consideration: confirm the operating supply range against the specific datasheet revision, as distributor listings show both 2.5V-class and 5V-class references; the on-chip Vreg typically supports the 2.97V to 5.5V external range.
This page synthesizes distributor pricing, drop-in S12-family alternatives, and practical design notes not found in the manufacturer datasheet, as of 2026-10-18.
ドロップイン代替品: MC9S12C64MFAE — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: MC9S12C64MFAE （同一形状・フットプリント） — 相違点: Core Architecture, ADC, Operating Temperature, Program Memory Size, On-chip Voltage Regulator.
クイック比較ツール — 並列比較する代替部品を選択:
MC9S12C128MFAE
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$6.38 / 個
データシートを見る →MC9S12GC64MFAE
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$10.1 / 個
データシートを見る →MC9S12C32MFAE16
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$8.2 / 個
データシートを見る →MC9S12C128VFAE
✅ ドロップイン✓ 在庫あり
$9.75 / 個
データシートを見る →MC9S12GC32VFAE
✅ ドロップイン✓ 在庫あり
$5.64 / 個
データシートを見る →MC9S12GC96MFUE
✅ ドロップイン✓ 在庫あり
$7.1 / 個
データシートを見る →MC9S12C64MFAE 最大定格＆電気的特性
| Core Processor | HCS12 (CPU12 CISC) |
| Core Size | 16-bit |
| Maximum Clock Speed | 25 MHz |
| Program Memory Size | 64KB (64K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 4K x 8 |
| EEPROM Size | N/A (not listed) |
| Connectivity | CANbus, EBI/EMI, SCI, SPI |
| Peripherals | POR, PWM, WDT |
| Number of I/O | 31 |
| Supply Voltage Range | 2.35 V to 5.5 V (per listings; Vreg supports 2.97 V to 5.5 V external) |
| Package Type | 48-LQFP (7x7 mm) |
| 実装タイプ | Surface Mount |
| Series | HCS12 / S12C Family |
| On-chip Voltage Regulator | Yes (bandgap-based Vreg, generates internal VDD) |
| PLL | Yes (on-chip phase-lock loop) |
| Packaging | Tray |
| ライフサイクル状態 | NRND (Not Recommended for New Designs) per NXP product page |
MC9S12C64MFAE 48-lqfp (7x7 mm) ピン配置ガイド
MC9S12C64MFAE (48-lqfp (7x7 mm) パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: MC9S12C64MFAE.
詳細は データシート をご参照ください。
主な用途
MC9S12C64MFAE の用途: 6 件s: Automotive CAN Network Nodes, Industrial Control Panels, Motor Control and PWM Actuator Drive, Embedded Instrumentation and Data Loggers, Building Automation and HVAC Controllers, General-Purpose Embedded Controllers.
Automotive CAN Network Nodes
The MC9S12C64MFAE fits automotive body and network modules because it integrates a CAN controller alongside the 16-bit HCS12 core running at 25MHz with 64KB of in-system-programmable Flash. Typical roles include door modules, seat controllers, and lighting nodes that exchange frames on a vehicle CAN bus. The on-chip bandgap voltage regulator accepts the vehicle 5V rail across a 2.97V to 5.5V range, reducing external component count, while the PLL permits a low-cost crystal to clock the 25MHz core. The 4KB RAM provides message buffers and signal storage for CAN stacks. Because the part is NRND, it suits service, repair, and legacy line延续 designs rather than brand-new vehicle programs.
おすすめ
Industrial Control Panels
In industrial control panels, the MC9S12C64MFAE serves as a compact 16-bit controller combining 31 GPIO lines, PWM outputs for actuator and heater drive, and SCI/SPI links to HMI or instrumentation. The 25MHz CPU12 core handles PID loops and sequencer logic comfortably, while the watchdog timer (WDT) and power-on reset (POR) improve system robustness in electrically noisy factory environments. The 64KB Flash supports in-field firmware updates over SCI, minimizing downtime. Its 7x7mm LQFP-48 footprint conserves PCB area in DIN-rail-mounted boards. Engineers should apply proper decoupling and EMI layout practices around the CAN and SPI lines, per NXP S12C hardware design guidance.
おすすめ
Motor Control and PWM Actuator Drive
The MC9S12C64MFAE's dedicated PWM peripheral makes it a practical choice for DC motor and actuator control in cost-sensitive equipment. The 25MHz HCS12 core executes control algorithms with 16-bit arithmetic, while PWM channels drive H-bridges or MOSFET gates at audible-safe carrier frequencies. The 4KB RAM supports control state variables and telemetry buffering, and SPI connects digital current or position sensors. Because the on-chip voltage regulator accepts a 2.97V to 5.5V supply, the MCU can share a single 5V rail with gate drivers. Designers should estimate MOSFET switching losses and verify SOA of the external power stage, since the MCU itself only generates the PWM signal.
おすすめ
Embedded Instrumentation and Data Loggers
For embedded instrumentation, the MC9S12C64MFAE offers the EBI/EMI external bus, enabling memory-mapped expansion such as external SRAM or parallel-interface displays beyond the internal 4KB RAM. SCI ports stream measurement data to PCs or modems, and SPI interfaces ADCs and real-time clocks. The 64KB Flash stores calibration tables and logging firmware, and the 25MHz core provides adequate throughput for filtering and scaling of sampled channels. The integrated POR and WDT sustain long unattended operation. Because Flash is in-system programmable, calibration routines and feature updates can be deployed in the field without socketed parts, reducing maintenance cost in installed instrument fleets.
おすすめ
Building Automation and HVAC Controllers
Building automation nodes benefit from the MC9S12C64MFAE's blend of CAN/SCI networking, PWM-driven damper and valve control, and 31 GPIOs for sensor polling. The 25MHz CPU12 core runs protocol stacks and control loops, while the 64KB Flash accommodates firmware plus configuration tables in nonvolatile storage. The integrated regulator and PLL minimize bill-of-materials cost, important in high-volume thermostat and zone-controller products. Its 7x7mm LQFP-48 package suits compact PCBs inside wall thermostats and actuator housings. NRND status means new HVAC platforms should begin on supported NXP parts, but the C64 remains appropriate for servicing installed bases and running out existing inventory.
おすすめ
General-Purpose Embedded Controllers
As a general-purpose embedded controller, the MC9S12C64MFAE delivers a balanced feature set: a 16-bit 25MHz HCS12 core, 64KB Flash, 4KB RAM, CAN/SCI/SPI connectivity, and PWM with watchdog supervision. It suits vending machines, access-control readers, battery chargers, and small appliances where a modest but robust MCU is required. The CISC CPU12 architecture, descended from the 68HC11, shortens the learning curve for teams with legacy HC11 code. Development toolchains for S12 devices (CodeWarrior-class IDEs and BDM/ancillary debug interfaces) remain available. Designers should confirm current availability given the NRND status and consider pin-compatible S12G parts for new projects.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: MC9S12C64MFAE — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | MC9S12C128MFAE | MC9S12GC64MFAE | MC9S12C32MFAE16 | MC9S12C128VFAE |
|---|---|---|---|---|---|
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Architecture | HCS12 (CPU12), 16-bit CISC | HCS12, 16-bit CISC | HCS12, 16-bit CISC | HCS12, 16-bit CISC | HCS12, 16-bit CISC |
| Program Memory (Flash) | 64KB (64K x 8) | 128KB | 64KB | 32KB | 128KB |
| Connectivity | CAN, EBI/EMI, SCI, SPI | CAN, EBI/EMI, SCI, SPI | CAN, SCI, SPI (per G-series) | CAN, SCI, SPI | CAN, EBI/EMI, SCI, SPI |
主な差別化要因
- Balanced 64KB Flash at 25MHz （vs MC9S12C32MFAE16)
- Cost-optimized memory for legacy builds （vs MC9S12C128MFAE)
- Proven C-series heritage vs G-series update （vs MC9S12GC64MFAE)
設計ノート
Power the MC9S12C64MFAE from a single external rail; the NXP product description states the on-chip bandgap-based voltage regulator (Vreg) generates the internal VDD from a 2.97V to 5.5V external supply. Distributor archives list internal-domain figures near 2.5V, which refers to the regulated core, not the pin supply. Place 0.1uF ceramic decoupling capacitors on each VDD pin pair and follow the S12C hardware design guide for VDDRX/PLL filter capacitor values, as the internal regulator requires specific external filter capacitance for stability.
The PLL demands careful layout: NXP S12C hardware guidance specifies an external RC filter network on the PLL filter pin, and this network should be placed close to the device with a quiet analog ground return to minimize clock jitter. Route the CAN transceiver (e.g., an NXP TJA or MC3390x class transceiver) with a controlled-length twisted pair stub and place the crystal within a few millimeters of the EXTAL/XTAL pins with guard ground. Keep the EBI/EMI bus traces matched if external memory is used, as the 25MHz bus tolerates limited skew.
Because the part is NRND, lock in an approved alternative (MC9S12C128MFAE or MC9S12GC64MFAE, both same LQFP-48 footprint) before new layout freezes. Also verify the exact ordering-code suffixes: NXP S12C speed and temperature grades are encoded in the part number (e.g., MFAE vs VFAE vs CFAE), and a mismatch in speed grade can cause marginal timing on the 25MHz bus. Confirm Flash erase/program voltages for in-system programming if field updates are planned - some S12C variants require charge-pump enable sequences documented in the family reference manual.
コンプライアンス情報
The AE suffix in NXP part numbering traditionally denotes lead-free/RoHS-compliant packaging, but RoHS/REACH status was not explicitly stated in the provided web data. Verify on the official NXP product page (nxp.com/part/MC9S12C64MFAE) under Environmental Quality.