MC9S08AC96CFUE - 8-bit MCU 96KB Flash 40MHz | NXP
料号： MC9S08AC96CFUE ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MC9S08AC96CFUE 概述
An 8-bit microcontroller is an integrated circuit that executes embedded control programs using a CPU processing 8-bit data words. Within the system hierarchy, it belongs to the embedded microcontroller family (MCU -> embedded processor -> semiconductor IC) and sits in NXP's S08 core family, part of the Flexis series where 8-bit and 32-bit devices share pin-compatible footprints, allowing engineers to migrate between performance tiers without PCB redesign.
Key features include 96KB (96K x 8) of flash program memory for large firmware images, 8KB of on-chip RAM, and a 40MHz bus-capable HCS08 core. The device integrates connectivity peripherals including I2C, LINbus, SCI, and SPI, plus low-voltage detection (LVD) and other system peripherals suited to automotive-adjacent and industrial designs. The 64-QFP surface-mount package supports standard SMT assembly.
Technically, the S08AC family uses the HCS08 Central Processor Unit architecture with flash memory rated for in-circuit reprogramming. The wide supply voltage window of 2.7V to 5.5V allows direct operation from 3.3V or 5V rails, simplifying mixed-system power design and improving noise margin in industrial environments.
Typical applications include industrial control, embedded automation, motor control, metering, IoT nodes, and low-power board designs, where the combination of large flash, rich serial connectivity, and 5V tolerance fits cost-sensitive control nodes.
Design consideration: this part is flagged End of Life by NXP, so new designs should plan a migration path to a supported S08 or Flexis successor, or secure last-time-buy stock.
This page synthesizes distributor pricing signals, drop-in family alternatives, and lifecycle guidance not consolidated in the manufacturer datasheet.
直接替换替代料： MC9S08AC96CFUE ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MC9S08AC96CFUE （相同外形与封装尺寸） ——差异在于 Package, Flash Memory, ADC, I/O Count, Peripherals.
快速对比工具——选择替代料号进行并排对比：
MC9S08AC128CFUE
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$7.4113 / 个
查看数据手册 →MC9S08AC60CFUE
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.05 / 个
查看数据手册 →MC9S08AC48CFUE
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC9S08AC32CFUE
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC9S08AW60CPUE
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
联系询价
查看数据手册 →MC9S08AC96CFDER
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC9S08AC96CFUE 最大额定值与电气特性
| Core Processor | S08 (HCS08) |
| Core Size | 8-Bit |
| Maximum Clock Speed | 40 MHz |
| Flash Memory | 96 KB (96K x 8) |
| RAM Size | 8 KB |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Connectivity | I2C, LINbus, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| I/O Count | 38 I/O ports |
| 封装 | 64-QFP (14x14 mm) |
| 安装类型 | Surface Mount |
| Product Family | S08AC (Flexis series) |
| Data ROM Type | Flash |
| RoHS 状态 | RoHS compliant |
| 生命周期状态 | End of Life (per NXP product page) |
MC9S08AC96CFUE 64-qfp (14x14 mm) 引脚配置指南
MC9S08AC96CFUE（64-qfp (14x14 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： MC9S08AC96CFUE.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC9S08AC96CFUE 适用于 6 应用s: Industrial Control Systems, Motor Control, Metering and Smart Energy, Embedded Automation Nodes, IoT Sensor End Nodes, Low-Power Board Designs.
Industrial Control Systems
The MC9S08AC96CFUE fits industrial control nodes where a 40MHz 8-bit core handles deterministic scan loops and the 2.7V-5.5V supply range survives noisy 5V backplanes. Its 96KB flash accommodates protocol stacks and diagnostic code, while SCI/SPI links interface with operator panels and I2C connects local sensors. Used as the main controller on a PLC I/O daughter board, the MCU executes PID loops with PWM outputs and reports over SCI; the wide voltage window and LVD peripheral give robust brown-out behavior that discrete 3.3V-only MCUs lack in factory environments.
推荐
Motor Control
For small BLDC and brushed DC motor drives, the MC9S08AC96CFUE provides PWM outputs driven from a 40MHz bus, sufficient timer resolution for 20kHz-class switching, and SPI to talk to gate-driver or smart-power devices. The 5V-native I/O connects directly to hall sensors and current-shunt amplifiers without level shifting, and the 96KB flash stores commutation tables plus fault-logging firmware. Placed as the sole controller on a driver board, its deterministic S08 core keeps current-loop latency predictable; the trade-off versus DSP-class MCUs is lower math throughput on FOC algorithms.
推荐
Metering and Smart Energy
Energy meters benefit from the MC9S08AC96CFUE's combination of 96KB flash for tariff and metrology firmware, 8KB RAM for data buffering, and I2C/SCI links to metering front-ends and communication modules. Operating from 5V mains-derived supplies, its LVD and watchdog peripherals enforce safe restarts after brown-outs, a common field event in distribution grids. In a residential electricity meter, the S08 core samples the metrology IC over SPI, accumulates consumption, and drives an optical/IR communication port; the large flash also supports firmware field updates via the bootloader.
推荐
Embedded Automation Nodes
Distributed automation I/O - proximity-sense nodes, valve controllers, and conveyor counters - map well onto the MC9S08AC96CFUE's 38 I/O lines and LINbus/SCI connectivity. The 64-QFP 14x14mm package offers enough pins for switch inputs, relay drives, and status LEDs on a two-layer board, keeping BOM cost low. The S08 core executes scan-cycle logic at 40MHz with deterministic timing, and the 5V-tolerant I/O withstands industrial wiring transients better than 3.3V MCUs. Its main design constraint is the End of Life status, so volume automation programs should design in the S08AC128 pin-compatible variant.
推荐
IoT Sensor End Nodes
Battery-tolerant IoT end nodes use the MC9S08AC96CFUE's low-voltage operation down to 2.7V, letting the same board run from three alkaline cells or a 3.3V rail. The 96KB flash holds a full sensor-driver, packet-framing, and retry stack, while I2C attaches digital sensors and SPI attaches sub-GHz radios. In a typical node the S08 core wakes on LVD/IRQ, samples sensors over I2C, and hands packets to a radio over SPI, then sleeps between reports; the trade-off is the absence of modern ultra-low-power sleep currents found in newer Kinetis L parts.
推荐
Low-Power Board Designs
For compact boards where a single 5V supply powers everything, the MC9S08AC96CFUE removes regulator stages by accepting 2.7V-5.5V directly and integrates flash, RAM, and all serial peripherals on-chip, minimizing component count. The 64-QFP 14x14mm footprint routes on two layers with 0.5mm-pitch fanout. Designers typically use the S08 core for housekeeping, human-interface scanning, and protocol bridging between an SPI display and SCI host. Because NXP has flagged End of Life, new low-power boards should evaluate the pin-compatible S08AC128 or a Kinetis L device for supply continuity.
推荐
推荐产品汇总
工程参考数据： MC9S08AC96CFUE ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MC9S08AC128CFUE | MC9S08AC60CFUE | MC9S08AW60CPUE |
|---|---|---|---|---|
| Package | 64-QFP (14x14 mm) | 64-QFP (14x14 mm) - same | 64-QFP (14x14 mm) - same | 64-QFP class (verify footprint) |
| Brand | NXP Semiconductors (Freescale) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Speed | S08 8-bit, 40 MHz | S08 8-bit, 40 MHz | S08 8-bit, 40 MHz | S08 8-bit, 40 MHz |
| Flash Memory | 96 KB | 128 KB | 60 KB | 60 KB |
关键差异点
- Largest mainstream S08AC flash density before the AC128 top-end （对比 MC9S08AC60CFUE)
- 40MHz S08 core outclasses legacy HC08 parts （对比 MC908GZ32VFJ)
- Trade-off: End of Life limits new-design viability （对比 MC9S08AC128CFUE)
设计说明
NXP lists the MC9S08AC96CFUE as End of Life with a discontinuance Product Change Notice. Before committing a new design, confirm the last-order date on the NXP PCN and evaluate the pin-compatible MC9S08AC128CFUE within the same S08AC family to avoid a forced redesign when stock disappears. For existing designs, size a last-time-buy against worst-case attrition plus field-repair needs.
The 2.7V-5.5V supply range lets the MCU run directly from 5V industrial rails, but decouple VDD/VDDA with 0.1uF ceramics at each pin plus bulk capacitance near the package. Enable the on-chip low-voltage detection (LVD) and configure its trip point for your rail so the watchdog resets cleanly during brown-outs instead of executing corrupted firmware from a marginally-powered flash.
The 64-QFP 14x14mm package fans out on a standard 0.65mm-pitch two-layer board with vias placed at pad toes. Keep the crystal/oscillator traces short and guard them with ground, since the 40MHz S08 bus is sensitive to layout-induced startup failures. Route SCI/LIN lines away from motor or relay switching nets; LINbus transceivers should sit close to the pin with their own local ground reference.
合规信息
RoHS compliant per the digchip specification listing (QFNL, ROHS COMPLIANT) and NXP product page environmental data. REACH, halogen-free, and conflict-minerals status should be confirmed on the NXP product page Environmental section.