MC908AP64CFAER - HC08 8-Bit MCU, 64KB FLASH, 48-LQFP | NXP
N.º de pieza: MC908AP64CFAER ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $10.24 | $10,24 |
| 10 | $9.45 | $94,50 |
| 100 | $8.6 | $860,00 |
| 500 | $7.75 | $3.875,00 |
| 1.000 | $7.05 | $7.050,00 |
MC908AP64CFAER Descripción general
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (program FLASH and data RAM), and programmable I/O peripherals. The 8-bit MCU category belongs to the embedded microcontroller taxonomy, sitting under microcontroller -> embedded controller -> integrated circuit. The HC08 family succeeded the HC05/HC11 lines and served as a workhorse for automotive body controllers, industrial control, and consumer appliances through the 2000s and early 2010s before the S08 and Cortex-M families superseded it.
Key features include 64KB (64K x 8) FLASH program memory, 2KB RAM, 32 programmable I/O lines, an internal oscillator, an integrated 10-bit ADC, and a 3.3V/5V operating range. The part number suffix 'FA' designates the 48-LQFP (7x7) package per Freescale's legacy naming convention, and 'ER' denotes tape-and-reel packaging for high-volume SMT assembly.
Architecture depth: the CPU08 core delivers BCD arithmetic, indexed addressing, and a HALT/STOP low-power mode. The internal oscillator and FLASH allow BOM simplification versus external crystal MCUs. The 10-bit ADC supports up to 8 analog input channels depending on package variant, enabling sensor-interface applications without external ADCs.
Typical applications include automotive body modules (wipers, seat controllers), industrial control panels, white goods motor control, and low-end consumer devices. The HC08 instruction set and tool ecosystem (CodeWarrior HC08) make it suitable for legacy designs and cost-sensitive retrofits.
A critical design consideration: this part is in lifecycle EOL/NRND status at NXP. Before new design-in, verify availability through distributors like Rochester Electronics (which holds legacy stock) and confirm long-term supply.
This page consolidates distributor pricing from DigiKey, Mouser, Octopart and Heisener alongside same-family NXP alternatives not found in the bare manufacturer datasheet.
Alternativas directas para MC908AP64CFAER — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con MC908AP64CFAER (mismo factor de forma y huella) — difiere en Package, Core, Supply Voltage, Connectivity, Program Memory.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MC908AP32CFAER
✅ Sustitución directa✓ En stock
$7.4 / unidad
Ver hoja de datos →MC908AP16CFBE
✅ Sustitución directa✓ En stock
$13.6 / unidad
Ver hoja de datos →MC908AP8CFBE
✅ Sustitución directa✓ En stock
$4.95 / unidad
Ver hoja de datos →MC908AP32ACFBE
✅ Sustitución directa✓ En stock
$29.663 / unidad
Ver hoja de datos →MC9S08AW60CFUE
✅ Sustitución directa✓ En stock
$8.1029 / unidad
Ver hoja de datos →MC908AP64CFAER Valores máximos y características eléctricas
| Core Processor | HC08 CPU08 |
| Core Size | 8-Bit |
| Program Memory Size | 64KB (64K x 8) FLASH |
| RAM Size | 2KB (2K x 8) |
| Frecuencia de reloj máxima | 8 MHz |
| Number of I/O Lines | 32 |
| Data Converters | 10-bit ADC |
| Oscillator Type | Internal |
| Operating Voltage | 3.3 V / 5 V |
| Encapsulado | 48-LQFP (7x7 mm) |
| Tipo de montaje | Surface Mount |
| Series | HC08AP |
| Connectivity | SCI / SPI / Optional USB |
| Temperatura de funcionamiento | -40C to +85C |
| Packaging | Tape & Reel (TR) |
| Lead Free / RoHS | Lead-free variant available |
Guía de configuración de pines de MC908AP64CFAER 48-lqfp (7x7 mm)
Configuración de pines para MC908AP64CFAER (encapsulado 48-lqfp (7x7 mm)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para MC908AP64CFAER.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
MC908AP64CFAER es adecuado para 7 aplicacións: Automotive Body Control Module, Industrial Sensor Interface Controller, White Goods Motor Control, Consumer Electronics Control Panel, Point-of-Sale Terminal Peripheral, Industrial SCADA Remote Terminal Unit (RTU), Automotive Instrument Cluster Subnode.
Automotive Body Control Module
The MC908AP64CFAER fits automotive body controllers because the HC08 CPU08 core delivers reliable deterministic performance at 8MHz with integrated 10-bit ADC for analog sensor conditioning such as those used in seat position, wiper, and lighting controllers. Its 32 GPIO lines accommodate numerous switch inputs and FET drivers typical of body electronics, while 64KB FLASH supports layered state-machine logic and serial communication drivers. The wide 3.3V/5V supply tolerance handles load-dump transients and cold-crank voltages found in 12V automotive rails. Although NXP now recommends the S08 family for new designs, this MCU remains deployed in millions of vehicles, with Rochester Electronics providing permanent inventory for service and repair scenarios.
Recomendado
Industrial Sensor Interface Controller
The MC908AP64CFAER suits industrial sensor-interface applications because its integrated 10-bit ADC eliminates the cost of an external converter when sampling analog signals from temperature, pressure, or level sensors in factory equipment. The 2KB RAM supports modest protocol buffers for SCI/SPI communication to upstream PLCs or HMIs, and 64KB of FLASH accommodates application firmware plus lookup tables and calibration data. Internal oscillator reduces BOM count versus crystal-based designs in cost-sensitive products. The 48-LQFP footprint enables compact PCB designs that fit inside sensor head enclosures with minimal thermal rise at typical 25-40MHz equivalent instruction rates.
Recomendado
White Goods Motor Control
White goods such as washing machines, dishwashers, and refrigerators benefit from the MC908AP64CFAER's combination of 8MHz deterministic CPU, 32 GPIO pins, and integrated 10-bit ADC suitable for low-voltage motor phase sensing, temperature monitoring, and user-knob digitizing. The 64KB FLASH supports FOC or trapezoidal commutation firmware variants plus diagnostic routines. Wide operating temperature (-40C to +85C) ensures reliable behavior in appliance compartments exposed to thermal cycling. The 48-LQFP surface-mount package supports automated SMT assembly at the high volumes typical of consumer appliance production. HC08 family toolchains (CodeWarrior HC08) remain supported for legacy maintenance.
Recomendado
Consumer Electronics Control Panel
The MC908AP64CFAER works for consumer control panels such as those in HVAC thermostats, microwave ovens, and audio receivers because it provides all the peripherals needed for keyboard scanning, LED driving, and serial communication at a low system cost. Internal oscillator plus 32 GPIO simplifies PCB layout and reduces crystal cost. The 10-bit ADC supports slider/wheel inputs and temperature sensor sampling. 64KB FLASH supports feature-rich user interfaces with multi-language display drivers. The HC08 architecture is well-documented with extensive CodeWarrior HC08 examples, enabling rapid product development for cost-sensitive consumer segments.
Recomendado
Point-of-Sale Terminal Peripheral
POS peripherals like barcode scanners, customer displays, and thermal printers incorporate the MC908AP64CFAER because its SCI/SPI interfaces connect to host terminals while its 32 GPIO drives LCDs, keypads, and indicator LEDs. 64KB FLASH holds protocol stacks (communications firmware) and 2KB RAM buffers transaction data. The 10-bit ADC supports battery monitoring in cordless peripherals. 48-LQFP package supports standard SMT reflow in high-volume POS terminal assembly. The HC08 instruction set is widely understood by embedded developers, shortening time-to-market for retail hardware teams extending legacy product lines.
Recomendado
Industrial SCADA Remote Terminal Unit (RTU)
Remote Terminal Units distributed across industrial sites use the MC908AP64CFAER because the HC08 CPU08 performs deterministic logic for digital input monitoring, relay control, and analog level sampling in ruggedized outdoor enclosures. 32 GPIO handles optocoupler-isolated digital I/O, while the integrated 10-bit ADC converts 4-20mA current-loop signals from field sensors. 64KB FLASH accommodates Modbus ASCII/RTU protocol stacks and local trend logs. Wide supply voltage tolerates the 12V/24V industrial battery systems that power remote telemetry units. Rochester Electronics' perpetual inventory supports MRO and infrastructure upgrade programs where long-term parts availability is critical.
Recomendado
Automotive Instrument Cluster Subnode
Automotive instrument clusters sometimes distribute MCU logic across the main display controller and several auxiliary subnodes that drive analog gauges or warning indicators. The MC908AP64CFAER fits well in subnode roles because its integrated 10-bit ADC drives stepper-motor position feedback while 32 GPIO connects to gauge coils, warning lamps, and switch-matrix inputs. 64KB FLASH supports internal diagnostic tables and serial communications to the main cluster processor. Wide 3.3V/5V supply handling supports 12V automotive battery rails. For new designs NXP recommends MC9S08AW60CFUE (S08 family) but the AP64 remains widely supported by Rochester Electronics for service of existing fleet vehicles.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MC908AP64CFAER — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MC908AP32CFAER | MC908AP16CFBE | MC908AP8CFBE | MC9S08AW60CFUE |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| 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 |
| Core | HC08 CPU08 (8-bit) | HC08 CPU08 (8-bit) | HC08 CPU08 (8-bit) | HC08 CPU08 (8-bit) | S08 (8-bit) |
| Max Clock | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 40 MHz |
| FLASH Program Memory | 64 KB | 32 KB | 16 KB | 8 KB | 60 KB |
| RAM Size | 2 KB | 2 KB | 1 KB (likely) | 1 KB (likely) | 4 KB |
| Number of I/O | 32 | 32 | 32 (likely) | 32 (likely) | 40 |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
Diferenciadores clave
- Largest FLASH in HC08AP 48-LQFP family (frente a MC908AP32CFAER)
- Drop-in compatible 48-LQFP footprint across density options (frente a MC908AP16CFBE / MC908AP8CFBE)
- Forward-migration path to S08 family on same footprint (frente a MC9S08AW60CFUE)
Notas de diseño
Estimated: At 8MHz core clock with all peripherals enabled the MC908AP64CFAER draws about 15-25mA from VDD. The HC08AP family datasheet STOP and HALT modes reduce quiescent current to microampere levels for battery-backed designs. Decouple VDD/VSS pairs with 100nF ceramic capacitors placed within 5mm of each VDD pin on the 48-LQFP package to suppress switching transients generated by CMOS core edges. Add a bulk 10uF tantalum or aluminum polymer cap near the regulator output for stable operation across motor/relay load-dump events.
Estimated: The 48-LQFP package has theta_JA around 65 C/W on a standard 4-layer JEDEC test board. At maximum 25mA active current from 5V supply dissipation is approximately 0.125W, yielding junction rise of 8C above ambient. This thermal headroom is comfortable for industrial (-40C to +85C) operation but designers should avoid placing the MCU near heat-generating power components. If the design uses HALT/STOP with low duty cycle the effective thermal rise is much lower.
Route the 48-LQFP pins to multiple PCB layers via via-in-pad for the underside, keeping trace lengths under 25mm to maintain signal integrity on the 8MHz bus. Group GPIO connectors near PCB edges to simplify harness integration. Provide a ground plane on the top layer with stitching vias around high-speed SCI/SPI lines to minimize radiated emissions. Keep analog inputs separated from digital switching lines to prevent ADC cross-talk; place the AVSS/VREF connections as a star back to the regulator ground reference.
Do not assume MC908AP64CFAER is in active production - verify NXP lifecycle status before new design-in because the part is NRND with Rochester Electronics handling long-term supply. Note that the CodeWarrior HC08 toolchain has been superseded by CodeWarrior for S08; legacy firmware may need porting if migrating. Be careful with the IRQ pin which is open-drain by default in some HC08 variants - external pull-up required. Verify LQFP-48 pin 1 orientation (dot marking or notch) before PCB layout finalization.
Información de cumplimiento
Lead-free RoHS-compliant variant available per Freescale/NXP part numbers with 'E' suffix. AEC-Q100 qualification not specified - check with NXP for automotive-specific documentation. Halogen-free status not confirmed in available data. Conflict minerals compliance per NXP statement.