MC9S08LL8CLF - 8-Bit 20MHz 10KB Flash MCU | NXP
MPN： MC9S08LL8CLF ✗ 停產MC9S08LL8CLF 概覽
An 8-bit microcontroller is a programmable embedded-control component combining a CPU core, memory, timers, serial interfaces and application-specific peripherals on one integrated circuit. The S08 architecture belongs to the microcontroller hierarchy, where firmware acquires inputs, executes control logic and manages displays, sensors and communication. Its 8KB Flash stores the operating program, while its 2KB RAM supports working data and stack operations.
The verified feature set emphasizes 20MHz processing, 10KB Flash and an LCD driver. Additional NXP product information identifies integrated touch sensing for portable designs. This combination can reduce the number of external display-interface or touch-input components, although the complete peripheral set, current limits and timing parameters must be confirmed in the manufacturer datasheet before schematic release.
The MC9S08LL8CLF is an S08LL-family device aimed at low-energy embedded products. Its integrated LCD and touch functions make it especially relevant to compact human-interface equipment where display dimensions, battery life and board area are tightly constrained. The 48-LQFP package exposes more interface pins than a minimal microcontroller package, supporting integration while requiring a correspondingly dense PCB footprint.
Typical uses include handheld diagnostic instruments, low-power measurement products and small appliances with LCD feedback. Designers should program the LCD segments correctly, budget code and RAM usage early, and validate startup behavior from the device datasheet. Because the product page reports End of Life, new production should be qualified before committing to a long-life design.
For an end-of-life migration, do not assume that another S08 part is drop-in compatible. Confirm the 48-LQFP footprint, pin assignments, LCD segment mapping, touch channels, memory organization, supply voltage, clock setup and firmware dependencies. The verified alternatives data does not identify five confirmed pin-to-pin replacements, so candidate parts must not be promoted as drop-ins without manufacturer evidence.
This page consolidates current distributor references, lifecycle information and design guidance for the MC9S08LL8CLF. It also highlights sourcing risk and the distinction between electrical similarity and a genuine pin-to-pin replacement, information that is essential when maintaining an aging embedded design.
直接替換替代品，適用於 MC9S08LL8CLF — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MC9S08LL8CLF （相同外形與佔位） — 差異在於 Package, Pin Count.
此產品無可直接替換的替代品。
申請替代品MC9S08LL8CLF 最大額定值與電氣特性
| Product Type | 8-bit S08 microcontroller |
| Maximum CPU Frequency | 20 MHz |
| Flash Memory | 10 KB (10K x 8) |
| RAM | 2 KB |
| Architecture | S08 CISC |
| Integrated Display Driver | Segment LCD driver |
| Touch Sensing | Integrated |
| 供應電壓 | 2.5 V / 3.3 V |
| 封裝 | 48-LQFP, 7 x 7 mm |
| 腳位數 | 48 pins |
| 安裝類型 | Surface mount |
| Target Application | Battery-powered portable equipment |
| Medical Diagnostic Suitability | Named by the verified family description |
MC9S08LL8CLF 48-lqfp, 7 x 7 mm 腳位配置指南
MC9S08LL8CLF（48-lqfp, 7 x 7 mm 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： MC9S08LL8CLF.
請參閱 資料表 以查看完整腳位配置。
典型應用
MC9S08LL8CLF 適用於 6 應用s: Battery-Powered Medical Diagnostic, Handheld Appliance, Low-Power Measurement Instrument, Segment-LCD Control Panel, Portable Environmental Sensor, Battery-Powered Data Logger.
Battery-Powered Medical Diagnostic
The MC9S08LL8CLF fits compact diagnostic instruments that combine local LCD feedback, touch input and low-power embedded control. Its 20MHz S08 core provides response capability for menu handling and measurement sequencing, while 10KB Flash holds application firmware and 2KB RAM provides working space. The integrated segment-LCD driver and touch sensing can reduce external controller burden, but the final battery life depends on the selected display, touch configuration and sleep-mode implementation. Medical suitability must also be supported by the complete datasheet and the product's intended verification process.
推薦
Handheld Appliance
The MC9S08LL8CLF is suitable for a small appliance that needs a dedicated display and user controls without a high-cost application processor. Its 20MHz 8-bit core can execute device-state logic, timer-based control and button or touch input, while the LCD driver manages a local human-readable interface. With 10KB Flash and 2KB RAM, firmware should be budgeted early because memory is modest compared with modern 32-bit microcontrollers. Standby-current measurements, wake behavior and display current determine the final battery endurance.
推薦
Low-Power Measurement Instrument
The MC9S08LL8CLF can coordinate a compact measurement product that presents results on a segment LCD and accepts touch-based commands. The 20MHz S08 processor is appropriate for real-time sequencing and control, while the integrated LCD and touch functions keep the user interface close to the embedded controller. Battery-operated instruments benefit from the device's stated ultra-low-power positioning, although actual average current must include sensor, reference, display and communication loads. Firmware should use the manufacturer's low-power modes and avoid busy-wait loops when standby behavior is important.
推薦
Segment-LCD Control Panel
The MC9S08LL8CLF is a natural fit for a compact control panel because it combines an embedded S08 controller, segment-LCD drive and integrated touch sensing. Firmware can map measured values or machine states directly to the display and interpret user input locally, reducing the need for separate display circuitry. The 20MHz clock supports responsive input handling and background control tasks. Before layout release, engineers must verify the exact LCD segment mapping, touch-channel configuration and all 48 package assignments against the manufacturer documentation.
推薦
Portable Environmental Sensor
The MC9S08LL8CLF can serve as the low-power controller in a portable sensing product with a local LCD and touch interface. It can sample enabled peripherals, update displayed readings, apply calibration data and manage a low-duty-cycle measurement schedule. The verified 2.5V/3.3V association supports low-voltage portable-system planning, while 10KB Flash constrains the feature set. Actual sensor accuracy is external to this microcontroller, so the design must separate analog conditioning, calibration and power-management requirements from the MCU's control function.
推薦
Battery-Powered Data Logger
The MC9S08LL8CLF is applicable to a small data logger that records a limited set of measurements and presents status through an LCD. Its 8-bit architecture and 10KB Flash are appropriate for tightly scoped control firmware, while 2KB RAM must be shared carefully among acquisition buffers, stacks and communications. Low-power operation requires scheduled sampling, peripheral shutdown and verified sleep transitions rather than continuous active polling. Because the device is End of Life, a data-logger design should include an explicit lifecycle contingency and second-source qualification before volume production.
推薦
推薦產品摘要
工程參考資料，適用於 MC9S08LL8CLF — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 |
|---|---|
| Package | 48-LQFP, 7 x 7 mm |
| Brand | NXP Semiconductors |
| Product Type | 8-bit S08 microcontroller |
| Maximum CPU Frequency | 20 MHz |
| Flash Memory | 10 KB |
| RAM | 2 KB |
| Supply Voltage | 2.5 V / 3.3 V |
| Display Support | Segment LCD driver |
| Touch Sensing | Integrated |
| Lifecycle Status | End of Life |
設計說明
Do not treat a similar S08 MCU as a replacement without checking the 48-pin footprint, power pins, LCD outputs, touch inputs and software configuration. MC9S08PT8AVLD is listed with a 44-LQFP package and 8KB Flash, while MC9S08LL8CLF is listed with a 48-LQFP package and 10KB Flash. That comparison alone disqualifies it as a drop-in part and requires board redesign plus firmware review.
Battery-life claims must be based on measured operating modes rather than the device's ultra-low-power description alone. Include MCU leakage, LCD segment drive, touch excitation, sensor circuitry and external regulator losses in the budget. Use manufacturer-supported clock, stop and sleep configurations, and remove polling loops so the product spends the required fraction of its duty cycle in the lowest acceptable state.
The 48-LQFP 7 x 7 mm footprint requires fine-pitch assembly planning and careful programming-firmware review. Follow the manufacturer's land pattern, solder-mask and paste recommendations exactly. Because the LCD and touch functions connect external electrodes or panel nodes, preserve the specified routing and guard practices and confirm that display glass, touch electrodes and analog noise do not compromise control operation.
合規資訊
The supplied manufacturer and distributor snippets do not state compliance claims. Compliance fields remain unknown rather than inferred.