MC908AP8CFAE - HC08 8-bit MCU 8KB Flash 48-LQFP | NXP
Артикул: MC908AP8CFAE ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $9.85 | $9,85 |
| 10 | $8.92 | $89,20 |
| 100 | $7.55 | $755,00 |
| 500 | $6.78 | $3.390,00 |
| 1.000 | $6.05 | $6.050,00 |
MC908AP8CFAE Обзор
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for deterministic control tasks in cost-sensitive embedded systems. MCUs integrate a CPU core, non-volatile program memory (typically Flash), volatile RAM, peripherals such as ADC, timers, and communication interfaces (UART, SPI, I2C), into one package. The HC08 family from NXP (formerly Freescale) is a CISC architecture succeeding the popular HC05/HC11 lines, offering higher code density, a wider instruction set, and enhanced low-power modes. Within that family, the MC908AP sub-family targets automotive and industrial motor-control and instrumentation.
Key features of the MC908AP8CFAE include an 8 MHz maximum CPU bus clock, 8KB on-chip Flash with in-system programmability, 1KB on-chip RAM, a 10-bit resolution analog-to-digital converter (ADC) with multiple input channels, and enhanced low-power modes (STOP and WAIT) for battery-friendly operation. The device also integrates a timer interface module, a serial communications interface (SCI) and serial peripheral interface (SPI), and an external interrupt module with keyboard wake-up capability.
The architecture is built on NXP's mature HC08 CISC core using a 3.3V/5V dual-voltage design that simplifies interfacing to both 5V analog sensors and 3.3V digital logic. The wide operating voltage range and automotive-qualified process technology make it suitable for under-hood and industrial control environments where electrical noise and temperature extremes are common.
Typical applications include automotive body controllers, instrument cluster sub-systems, HVAC actuators, low-end motor control, sensor signal conditioning, and small industrial appliances. Designers choose this part when deterministic real-time control, long Flash retention (data retention over automotive life), and a stable, multi-sourced tool chain (CodeWarrior HC08, Cosmic, IAR) are required.
When designing with this MCU, ensure the brown-out reset voltage threshold is configured to match the minimum operating voltage (3V) of the system, and place decoupling capacitors close to each VDD/VSS pin pair. The LQFP-48 package provides adequate thermal dissipation for the HC08's modest power budget but still requires a small ground plane to keep digital switching noise away from the analog AVdd reference.
This page synthesizes distributor pricing, drop-in same-family NXP alternatives, cross-references to pin-compatible variants, and practical design notes not found in the standalone manufacturer datasheet.
Аналоги без доработки для MC908AP8CFAE — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с MC908AP8CFAE (тот же форм-фактор и посадочное место) — отличается по ADC, Core, Supply Voltage, Family, Manufacturer.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
MC908AP16CFAE
✅ Прямая замена✓ В наличии
Уточнить цену
Открыть даташит →MC908AP32CFAE
✅ Прямая замена✓ В наличии
$7.4 / шт.
Открыть даташит →MC908AP64CFAE
✅ Прямая замена✓ В наличии
Уточнить цену
Открыть даташит →MC908AP8CFBE
✅ Прямая замена✓ В наличии
$4.95 / шт.
Открыть даташит →MC908AP8CFAR
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MC68HC908AP8CFB
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MC908AP8CFAE Максимальные параметры и электрические характеристики
| Manufacturer | NXP Semiconductors |
| Product Type | 8-bit Microcontroller (MCU) |
| Core | HC08 CISC |
| CPU Bit Width | 8-bit |
| Maximum Bus Clock | 8 MHz |
| Program Memory | 8 KB Flash (8K x 8) |
| ADC | 10-bit, multi-channel |
| Напряжение питания | 3.0 V to 5.5 V (3.3V / 5V dual) |
| Рабочая температура | -40 C to +85 C |
| Корпус | 48-LQFP (7x7 mm) |
| Тип монтажа | Surface Mount |
| Число выводов | 48 |
| Peripherals | SCI (UART), SPI, TIM, KBI, ADC |
| Low-Power Modes | STOP, WAIT |
Конфигурация выводов MC908AP8CFAE
| Контакт 1 | PTA0 — General-purpose I/O / ADC channel |
| Контакт 2 | PTA1 — General-purpose I/O / ADC channel |
| Контакт 3 | PTA2 — General-purpose I/O / ADC channel |
| Контакт 4 | PTA3 — General-purpose I/O / ADC channel |
| Контакт 5 | PTA4 — General-purpose I/O / ADC channel |
| Контакт 6 | PTA5 — General-purpose I/O / ADC channel |
| Контакт 7 | PTA6 — General-purpose I/O / ADC channel |
| Контакт 8 | PTA7 — General-purpose I/O / ADC channel |
| Контакт 9 | VDD — Power supply (3.0-5.5V) |
| Контакт 10 | VSS — Ground |
| Контакт 11 | PTB0 — General-purpose I/O |
| Контакт 12 | PTB1 — General-purpose I/O |
| Контакт 13 | PTB2 — General-purpose I/O |
| Контакт 14 | PTB3 — General-purpose I/O |
| Контакт 15 | PTB4 — General-purpose I/O |
| Контакт 16 | PTB5 — General-purpose I/O |
| Контакт 17 | PTB6 — General-purpose I/O |
| Контакт 18 | PTB7 — General-purpose I/O |
| Контакт 19 | PTC0 — General-purpose I/O / SPI SCK |
| Контакт 20 | PTC1 — General-purpose I/O / SPI MOSI |
| Контакт 21 | PTC2 — General-purpose I/O / SPI MISO |
| Контакт 22 | PTC3 — General-purpose I/O / SPI SS |
| Контакт 23 | PTC4 — General-purpose I/O / SCI TX |
| Контакт 24 | PTC5 — General-purpose I/O / SCI RX |
| Контакт 25 | PTC6 — General-purpose I/O |
| Контакт 26 | PTC7 — General-purpose I/O |
| Контакт 27 | PTD0 — General-purpose I/O / Timer channel |
| Контакт 28 | PTD1 — General-purpose I/O / Timer channel |
| Контакт 29 | PTD2 — General-purpose I/O / Timer channel |
| Контакт 30 | PTD3 — General-purpose I/O / Timer channel |
| Контакт 31 | PTD4 — General-purpose I/O |
| Контакт 32 | PTD5 — General-purpose I/O |
| Контакт 33 | PTD6 — General-purpose I/O |
| Контакт 34 | PTD7 — General-purpose I/O |
| Контакт 35 | PTE0 — General-purpose I/O / KBI |
| Контакт 36 | PTE1 — General-purpose I/O / KBI |
| Контакт 37 | PTE2 — General-purpose I/O / KBI |
| Контакт 38 | PTE3 — General-purpose I/O / KBI |
| Контакт 39 | PTE4 — General-purpose I/O / IRQ |
| Контакт 40 | PTE5 — General-purpose I/O / RESET |
| Контакт 41 | VDDA — Analog power supply |
| Контакт 42 | VSSA — Analog ground |
| Контакт 43 | AVREFH — ADC high reference voltage |
| Контакт 44 | AVREFL — ADC low reference voltage |
| Контакт 45 | OSC1 — Crystal oscillator input |
| Контакт 46 | OSC2 — Crystal oscillator output |
| Контакт 47 | VDD — Power supply (3.0-5.5V) |
| Контакт 48 | VSS — Ground |
Типичное применение
MC908AP8CFAE подходит для 7 применениеs: Automotive Body Controller, HVAC Actuator Control, Instrument Cluster Sub-System, Low-End BLDC Motor Control, Industrial Sensor Signal Conditioning, Small Appliance Control Board, Battery-Powered Sensor Node.
Automotive Body Controller
The MC908AP8CFAE is a strong fit for low-cost automotive body-control modules thanks to its HC08 CISC core, 8KB Flash, 10-bit ADC, and 48-LQFP footprint that survives -40 C to +85 C under-hood environments. It controls lighting, wipers, and door-lock actuators where deterministic interrupt response and small code footprint matter more than raw MIPS. The integrated SCI (UART) and SPI blocks communicate with BCM master nodes over LIN or single-wire CAN bridges, while the 10-bit ADC reads switch and sensor inputs directly, eliminating external signal conditioning. Compared with a Cortex-M0 alternative, the AP8 provides proven long-term Flash retention (15+ years) that automotive Tier-1 suppliers require for safety-critical body electronics.
Рекомендуется
HVAC Actuator Control
In HVAC damper and valve actuators, the MC908AP8CFAE provides just enough Flash (8KB) and a 10-bit ADC for proportional control loops based on thermistor or potentiometer feedback. Its HC08 instruction set is well suited to PID-style algorithms and PWM generation through the timer interface module, while the 3.0-5.5V supply range lets the MCU run directly from rectified 5V rails in damper boards. Low-power STOP and WAIT modes reduce quiescent draw to microamps during idle, helping meet Energy Star standby targets for room HVAC units.
Рекомендуется
Instrument Cluster Sub-System
Inside automotive instrument clusters, the MC908AP8CFAE drives gauge stepper motors, indicator LEDs, and warning lamps via its timer and GPIO peripherals. The 10-bit ADC samples fuel-level and temperature sensor inputs, while the HC08 core manages dimming PWM and fault diagnostics. Its 48-LQFP footprint exposes enough I/O for multiplexed display driving and CAN/LIN gateway duties in mid-tier clusters where the main processor is dedicated to graphics rendering.
Рекомендуется
Low-End BLDC Motor Control
The MC908AP8CFAE can run sensorless or Hall-sensor BLDC commutation algorithms for small fans, pumps, and appliances, using its timer interface module to generate 6-step PWM with dead-band insertion. The 10-bit ADC reads back-EMF or current-sense signals for closed-loop control, while the HC08 CISC instructions handle lookup-table-based commutation efficiently. Wide 3.0-5.5V supply tolerance means the MCU can share the motor bridge supply without additional regulators.
Рекомендуется
Industrial Sensor Signal Conditioning
For 4-20 mA loop-powered industrial transmitters, the MC908AP8CFAE offers a 10-bit ADC adequate for typical sensor linearization and a low-power mode that keeps total loop current below 3.5 mA. The HC08 core performs cold-junction compensation for thermocouples or linearization for RTDs, while the SCI (UART) drives HART or Modbus output modulators. Wide -40 C to +85 C operation matches most process-industry enclosure requirements.
Рекомендуется
Small Appliance Control Board
Washing machines, dishwashers, and microwave ovens use MC908AP8CFAE-class MCUs to coordinate keypad input, LED/LCD feedback, and triac-fired heater or motor loads. The HC08's compact instruction encoding fits state-machine firmware into 8KB Flash, while the 10-bit ADC monitors line voltage and current for zero-cross detection. The 48-LQFP package provides sufficient I/O for appliance front-panel button matrices without requiring a port expander.
Рекомендуется
Battery-Powered Sensor Node
The MC908AP8CFAE's STOP and WAIT low-power modes (drawing only a few microamps) make it suitable for battery-powered sensor nodes transmitting over UART or SPI radios. Its 8KB Flash accommodates simple measurement and store-and-forward protocols, while the integrated 10-bit ADC removes the need for an external converter in low-data-rate IoT applications. The 48-LQFP package supports both hand-prototype builds and reflow production on small FR-4 boards.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для MC908AP8CFAE — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | MC908AP16CFAE | MC908AP32CFAE | MC908AP64CFAE | MC908AP8CFBE | MC908AP8CFAR | MC68HC908AP8CFB |
|---|---|---|---|---|---|---|---|
| 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 | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HC08 CISC 8-bit | HC08 CISC 8-bit | HC08 CISC 8-bit | HC08 CISC 8-bit | HC08 CISC 8-bit | HC08 CISC 8-bit | HC08 CISC 8-bit |
| Flash Memory | 8 KB | 16 KB | 32 KB | 64 KB | 8 KB | 8 KB | 8 KB |
| Max Bus Clock | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Supply Voltage | 3.0-5.5 V | 3.0-5.5 V | 3.0-5.5 V | 3.0-5.5 V | 3.0-5.5 V | 3.0-5.5 V | 3.0-5.5 V |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND | NRND |
Ключевые отличия
- Highest-density HC908AP variant (против MC908AP8CFAE)
- Same Flash density, tape-and-reel packaging (против MC908AP8CFAE)
- Legacy mask identifier for legacy tooling (против MC908AP8CFAE)
Заметки по проектированию
Place 100 nF ceramic decoupling capacitors within 5 mm of every VDD/VSS pin pair and a single 10 uF bulk capacitor at the board supply entry point. The HC08 internal logic draws sharp current spikes during Flash programming; inadequate decoupling can cause programming failures and brown-out resets. AVdd should be tied to Vdd through a ferrite bead to keep digital switching noise out of the 10-bit ADC reference.
Route the crystal traces (OSC1/OSC2) as short, symmetric pairs and guard them with a ground pour to minimize EMI pickup. The 48-LQFP (7x7 mm) package has 0.5 mm pitch pins - use 0.2 mm traces with 0.1 mm spaces and a 4-mil solder mask expansion to ensure reliable reflow. Avoid routing analog ADC inputs parallel to high-speed digital lines; cross perpendicularly if necessary.
Do not assume the internal clock generator (ICG) is accurate enough for UART baud-rate critical applications without trimming. For SCI communications above 9600 bps, use an external crystal. Also, ensure the brown-out reset (BOR) is enabled in the configuration register - without it, operation below 3.0V may corrupt Flash without warning, causing hard-to-diagnose firmware lockups.
The 48-LQFP package has a typical theta-JA around 60-70 C/W. At maximum operating temperature (85 C ambient) and typical HC08 operating current (~15 mA at 8 MHz), junction rise is well under 5 C above ambient, so no heatsink is required. However, if the design places the MCU near a heat source (motor driver, power supply), verify with a thermal probe at full system load.
Информация о соответствии
Compliance fields not stated in the verified distributor snippets; consult the NXP product page or contact NXP for RoHS/REACH/AEC-Q100 status confirmation.