MC9S08PA8AVLD - 8-bit S08 MCU 8KB Flash 44-LQFP | NXP
部品番号: MC9S08PA8AVLD ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $2.18 | $2.18 |
| 10 | $2.05 | $20.50 |
| 100 | $1.9 | $190.00 |
| 500 | $1.75 | $875.00 |
| 1,000 | $1.62 | $1,620.00 |
MC9S08PA8AVLD 概要
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory (flash), data memory (RAM), and peripherals such as timers, ADCs, and serial interfaces on one die. Within the product hierarchy, the S08P family sits under NXP's S08 core architecture, which itself belongs to the broader category of embedded microcontrollers and power-management ICs used in cost-sensitive embedded control systems.
Key features of the MC9S08PA8AVLD include the S08 central processor unit supporting up to 20 MHz bus operation across the -40C to +105C temperature range, up to 40 interrupt/reset sources with four-level nested interrupt support, integrated EEPROM for data storage, an ADC and an analog comparator, and a motor-control flex timer. NXP highlights the family's excellent EFT/ESD performance and scalable, pin-compatible design that eases migration from legacy 8-bit S08 products.
Architecturally, the S08 CPU reuses proven Freescale (now NXP) S08 core IP and development tools, allowing firmware written for older HC08/S08 devices to be ported with minimal changes. The on-chip flash is read/program/erase capable over the full voltage and temperature range, and the integrated EEPROM eliminates the need for an external non-volatile memory device, reducing bill-of-materials cost in small systems.
Typical applications include cost-sensitive automotive body electronics, small motor control (using the flex timer), home appliances, consumer electronics, and simple industrial sensing nodes where an ADC and analog comparator are required but 32-bit performance is unnecessary.
A key design consideration is supply voltage: the 2.7 V to 5.5 V range supports both 3.3 V and 5 V systems, but flash timing and analog accuracy specifications should be verified across the full voltage range per the manufacturer datasheet. Use the background debug interface for in-circuit flash programming.
This page synthesizes distributor pricing from DigiKey, Mouser, LCSC, Heisener and Octopart, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Pricing references are as of 2026-10-18.
ドロップイン代替品: MC9S08PA8AVLD — 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。
クイック比較ツール — 並列比較する代替部品を選択:
MC9S08PA8VLD
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MC9S08PA16VLD
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MC9S08PA32VLD
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MC9S08PT8AVLD
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MC9S08PA4VLD
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MC9S08PA8AVLD 最大定格＆電気的特性
| Core Processor | S08 (8-bit CISC) |
| Core Size | 8-bit |
| Maximum Bus Speed | 20 MHz |
| Flash Memory | 8 KB (8K x 8) |
| Supply Voltage Range | 2.7 V to 5.5 V |
| 動作温度 | -40C to +105C |
| Interrupt/Reset Sources | Up to 40 |
| Interrupt Nesting | Up to four levels |
| Peripherals | ADC, analog comparator, motor-control flex timer, 16-bit timer |
| パッケージ | 44-LQFP (10x10 mm) |
| 実装タイプ | Surface Mount |
| Packaging | Tray |
| ESD/EFT Performance | Excellent EFT/ESD performance (per NXP family description) |
| Family Scalability | Pin-compatible S08P family, flash scalable to 16 KB |
MC9S08PA8AVLD 44-lqfp (10x10 mm) ピン配置ガイド
MC9S08PA8AVLD (44-lqfp (10x10 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: MC9S08PA8AVLD.
詳細は データシート をご参照ください。
主な用途
MC9S08PA8AVLD の用途: 6 件s: Automotive Body Electronics, Small Motor Control, Home Appliances, Battery-Powered Consumer Devices, Industrial Sensing Nodes, Legacy S08 Design Migration.
Automotive Body Electronics
NXP explicitly targets the S08P family, including the MC9S08PA8AVLD, at cost-sensitive automotive applications such as seat control, mirror adjusters, window lift modules, and lighting switches. The 2.7 V to 5.5 V supply tolerates automotive load-dump conditions with simple clamping, and the -40C to +105C operating range covers most passenger-compartment and near-engine environments. The family's excellent EFT/ESD performance reduces external protection components in electrically harsh 12 V harnesses. The integrated EEPROM stores calibration and wear data without an external memory IC, and the ADC with analog comparator handles switch diagnostics and resistive sensor inputs. At approximately $2.18 (as of 2026-10-18), the 8 KB flash suits fixed-function body modules with proven S08 code reuse.
おすすめ
Small Motor Control
The MC9S08PA8AVLD integrates a motor-control flex timer that generates complementary PWM outputs with dead-time insertion, enabling control of brushed DC, stepper, and small BLDC motors without a dedicated motor-control coprocessor. The analog comparator supports over-current protection and back-EMF zero-crossing detection, while the ADC samples current shunt and position (hall or potentiometer) signals. NXP designed the S08P peripheral set to 'simplify design and reduce system cost' for exactly this use case. With up to 20 MHz bus speed and four-level nested interrupts, the core keeps pace with PWM-frequency current-loop servicing in fan, pump, and actuator applications. The 44-LQFP provides enough general-purpose I/O for gate-drive control plus fault and communication signals.
おすすめ
Home Appliances
White goods and small appliances - coffee makers, rice cookers, blenders, vacuum chargers - need an MCU that reads buttons and NTC sensors, drives displays and relays, and survives noisy mains environments. The MC9S08PA8AVLD fits this profile: the ADC reads temperature and user potentiometers, the analog comparator detects zero crossing for triac phase control, and the flex timer generates PWM for heater or motor power. NXP's cited excellent EFT/ESD performance is critical near relay and triac switching transients. The 8 KB flash typically suffices for appliance state machines, and on-chip EEPROM preserves user settings across power cycles. At about $2.18 per unit (as of 2026-10-18), it meets aggressive BOM budgets while the 5 V operation simplifies interfacing to mains-side circuitry.
おすすめ
Battery-Powered Consumer Devices
For chargers, personal-care devices, toys, and handheld instruments, the MC9S08PA8AVLD offers a 2.7 V floor that operates directly from two alkaline cells or a single Li-ion via a small LDO, with low-power stop and wait modes that extend battery life. The ADC monitors battery voltage and charge current; the analog comparator provides low-battery alerts without CPU wake-ups. The 8 KB flash holds charge-control state machines, LED indication logic, and button decoding with margin to spare. NXP's S08 tool reuse means firmware from prior-generation consumer products ports quickly. The 44-LQFP 10x10 mm footprint suits compact two-layer consumer PCBs, and availability in tray packaging supports standard pick-and-place assembly at contract manufacturers.
おすすめ
Industrial Sensing Nodes
Simple industrial sensors - proximity switches, level detectors, thermal monitors - benefit from the MC9S08PA8AVLD's combination of ADC, analog comparator, and 5 V noise-tolerant I/O. The -40C to +105C range covers control-cabinet and machine-mounted installations, and NXP's documented EFT/ESD robustness handles VFD-induced conducted interference common on factory floors. The flex timer can generate PWM excitation for inductive or capacitive sensing front-ends, while on-chip EEPROM stores factory calibration constants so each node can be individually trimmed. With up to 40 interrupt sources and four-level nesting, event-driven acquisition software stays responsive without polling. The 20 MHz bus provides ample headroom for simple filtering and threshold logic in an 8 KB firmware image.
おすすめ
Legacy S08 Design Migration
A primary application for the MC9S08PA8AVLD today is refreshing designs built on older HC908/S08 MCUs that are entering end-of-life. NXP states the S08P family 'reuses existing S08 core, IP and tools for easy migration from existing 8-bit S08 products,' and the 44-pin LQFP matches footprints of legacy 44-pin QFP S08 parts. Firmware porting is typically limited to register-name changes and clock configuration, and CodeWarrior plus standard BDI programmers carry over unchanged. Choosing this part consolidates an obsolescence-prone multi-source BOM onto an Active-status NXP family (per NXP product page, 2026-10-18), with pin-compatible flash-upgrade siblings (16 KB/32 KB) providing a built-in migration path if code grows.
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: MC9S08PA8AVLD — 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 | MC9S08PA8VLD | MC9S08PA16VLD | MC9S08PA32VLD | MC9S08PT8AVLD | MC9S08PA4VLD |
|---|---|---|---|---|---|---|
| Package | 44-LQFP (10x10 mm) | 44-LQFP (10x10 mm) - same | 44-LQFP (10x10 mm) - same | 44-LQFP (10x10 mm) - same | 44-LQFP (10x10 mm) - same | 44-LQFP (10x10 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 8 KB | 8 KB | 16 KB | 32 KB | 8 KB (family to 16 KB) | 4 KB |
| Core / Bus Speed | S08, up to 20 MHz | S08 (per NXP listing) | S08, up to 20 MHz | S08, up to 20 MHz | S08, up to 20 MHz | S08, up to 20 MHz |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C |
| Analog Peripherals | ADC + analog comparator + EEPROM | ADC + comparator + EEPROM | ADC + comparator + EEPROM | ADC + comparator + EEPROM | ADC + comparator (PT family) | ADC + comparator + EEPROM |
主な差別化要因
- Die revision 'A' improvements （vs MC9S08PA8VLD)
- Built-in flash upgrade path （vs MC9S08PA32VLD)
- Integrated EEPROM reduces BOM （vs MC9S08PT8AVLD)
設計ノート
Design the 2.7 V to 5.5 V supply with local decoupling of 100 nF ceramic on VDD within 5 mm of the pin plus a 4.7-10 uF bulk capacitor per rail entry. In automotive or appliance environments, add a series resistor or ferrite plus TVS on the supply entry to handle load-dump and EFT transients - NXP highlights the S08P family's excellent EFT/ESD performance, but this assumes good local decoupling. Estimated: with typical MCU active current in the low-mA range at 5 V, supply design at 50-100 mA capacity covers the MCU plus LED loads comfortably.
The 44-LQFP 10x10 mm footprint uses 0.5 mm pitch; specify NSMD pads with ~0.25 mm opening for reliable reflow. Route the analog comparator and ADC inputs away from the flex-timer PWM traces; use a local analog ground island if the board mixes motor power and sensing. Reserve test points on the background debug interface (BGND lines) during layout - in-circuit programming through BDI is the only programming path, and without header access, rework on failed flash devices is costly.
Do not assume the MC9S08PA8AVLD, MC9S08PA8VLD and MC9S08PT8AVLD register maps are identical despite the pin-compatible packages - verify the flash-programming and configuration registers against each specific device's datasheet before reuse of bootloader code. Also confirm the exact RAM size of the 'A' variant (the non-A sibling is documented at 512 B) before finalizing memory allocation. Finally, check NXP product change notices on the product page: secondary-market excess-stock listings suggest this is a mature part, so qualify the 16 KB/32 KB pin-compatible siblings as alternates in new designs.
コンプライアンス情報
The NXP product page lists an Environmental Quality section for MC9S08PA8AVLD, but the retrieved search snippets do not state specific RoHS/REACH values. Verify on https://www.nxp.com/part/MC9S08PA8AVLD before use in regulated products.
