MC9S08AW32CFGE - 8-bit S08 MCU 32KB Flash 40MHz | NXP
N.º de pieza: MC9S08AW32CFGE ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $3.98 | $3,98 |
| 10 | $3.62 | $36,20 |
| 100 | $3.35 | $335,00 |
| 500 | $3.1 | $1.550,00 |
| 1.000 | $2.86 | $2.860,00 |
MC9S08AW32CFGE Descripción general
An 8-bit microcontroller is an integrated circuit that combines a processor core, memory, and peripherals such as timers, ADCs, and serial communication modules on a single chip. Within the embedded-systems hierarchy, the MC9S08AW32 sits in the general-purpose MCU class of the broader HCS08 family (successor to the HC08), which is itself part of the microcontroller unit category of semiconductor devices. The AW (Automotive/Industrial Wide-voltage) sub-family is designed for cost-sensitive control applications that must tolerate wide supply variation.
Key features of the MC9S08AW32CFGE include the enhanced S08 CISC core with a BGND instruction for background debugging, single-wire background debug mode (BDM) interface for non-intrusive programming, 32KB of in-system-programmable Flash, and 34 general-purpose I/O signals. The wide 5V-tolerant operating voltage range and strong electromagnetic compatibility (EMC) performance make it well suited to harsh electrical environments.
The device integrates an 8-channel 10-bit ADC, two serial communication interfaces (SCI), an SPI, an I2C module, and a timer/PWM system (typical S08AW peripheral set), enabling motor control, sensing, and communication in a single low-cost chip. Flash memory supports in-circuit reprogramming over the BDM interface.
Typical applications include industrial control and automation nodes, automotive body electronics such as door modules and lighting control, home appliances, and battery-charged portable equipment that benefits from the 2.7V to 5.5V supply tolerance.
Design consideration: note that NXP lists this part as NRND (Not Recommended for New Designs); for new projects evaluate the automotive-qualified S9S08AW32E5CFGE or migrate to newer families, and use 0.1uF decoupling on each VDD pin with a solid ground plane for EMC performance.
This page synthesizes distributor pricing (as of 2026-10-18), drop-in family alternatives, design notes, and lifecycle guidance not consolidated in the NXP datasheet.
Alternativas directas para MC9S08AW32CFGE — 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 MC9S08AW32CFGE (mismo factor de forma y huella) — difiere en Core, Package, Program Memory (Flash), RAM Size, Flash Memory.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MC9S08AW60CFGE
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
Consulte el precio
Ver hoja de datos →MC9S08AW48CFGE
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$4.05 / unidad
Ver hoja de datos →MC9S08AW16CFGE
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
Consulte el precio
Ver hoja de datos →S9S08AW32E5CFGE
✅ Sustitución directa✓ En stock
$3.51 / unidad
Ver hoja de datos →MC9S08AW32CFGE Valores máximos y características eléctricas
| Core Processor | S08 (HCS08) 8-bit CISC |
| Core Size | 8-bit |
| Maximum CPU Frequency | 40 MHz |
| Internal Bus Frequency | 20 MHz |
| Flash Memory | 32 KB (32K x 8) |
| RAM | 2 KB |
| Supply Voltage Range | 2.7 V to 5.5 V |
| ADC Resolution | 10-bit |
| ADC Channels | 8-channel |
| General Purpose I/O | 34 |
| Encapsulado | 44-LQFP (10x10 mm), 0.5 mm pitch |
| Package Standard | MO-220VKKD-2, 7 x 7 mm body variants per distributor listing |
| Tipo de montaje | Surface Mount |
| Debug Interface | Single-wire background debug mode (BDM) |
| Instruction Set | HC08 instruction set with added BGND instruction |
| Estado del ciclo de vida | NRND (Not Recommended for New Designs) |
Guía de configuración de pines de MC9S08AW32CFGE mo-220vkkd-2, 7 x 7 mm body variants per distributor listing
Configuración de pines para MC9S08AW32CFGE (encapsulado mo-220vkkd-2, 7 x 7 mm body variants per distributor listing). 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 MC9S08AW32CFGE.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
MC9S08AW32CFGE es adecuado para 6 aplicacións: Industrial Control and Automation, Automotive Body Electronics, Home Appliances, Battery-Powered Portable Equipment, Motor Control and Lighting Systems, Legacy Design Maintenance and Service.
Industrial Control and Automation
The MC9S08AW32CFGE fits industrial control nodes because its 2.7V to 5.5V supply tolerance survives noisy factory power rails, and the S08AW family's documented EMC performance reduces the risk of spurious resets near contactors and variable-frequency drives. The 8-channel 10-bit ADC digitizes sensor inputs such as temperature, pressure, and position feedback, while the timer/PWM system drives actuators and heaters. The 32KB Flash accommodates protocol stacks (Modbus-over-SCI or I2C) plus a control loop with headroom, and the single-wire BDM interface simplifies field reprogramming through a 3-wire service connector.
Recomendado
Automotive Body Electronics
In automotive body modules such as door controllers, seat adjusters, and lighting control, the AW32's 5V operation and electromagnetic compatibility directly address the harsh 12V automotive electrical environment with load-dump-conditioned supplies. NXP explicitly positions the MC9S08AW family for the automotive industry. The 34 GPIO support switch matrices, relay drivers, and LED diagnostics, while the 10-bit ADC reads potentiometer position sensors and NTC temperature probes. For new production vehicles, select the pin-compatible automotive-qualified S9S08AW32E5CFGE variant, reserving the MC9S08AW32CFGE for service replacement and legacy program continuity.
Recomendado
Home Appliances
Washing machines, cooktops, and small appliances benefit from the AW32's combination of a robust 5V-tolerant MCU and integrated analog. The 8-channel 10-bit ADC reads user-interface potentiometers, moisture and temperature sensors, while timer PWM channels drive triac firing circuits for motor speed control and heater power regulation - all without an external ADC or timer IC, cutting BOM cost in volume production. The 32KB Flash holds the full control state machine, fault management, and display driver code. The wide supply range tolerates mains-derived auxiliary supplies with modest regulation, and 34 GPIO drive 7-segment displays, LEDs, and keypads directly.
Recomendado
Battery-Powered Portable Equipment
The 2.7V low-end of the supply range lets the MC9S08AW32CFGE run directly from three NiMH cells or a single lithium cell via an LDO, and S08 low-power modes (with periodic wake from the internal oscillator) stretch battery life in meters, handheld instruments, and portable chargers. The 10-bit ADC supports battery-voltage monitoring and measurement functions, and SCI/I2C interfaces communicate with displays and external EEPROM. Because the device is NRND, evaluate availability for multi-year product programs; the same-family AW parts in the identical 44-LQFP footprint provide a firmware-transparent migration path if supply of the AW32 tightens.
Recomendado
Motor Control and Lighting Systems
Timer/PWM outputs and fast interrupt response make the AW32 suitable for DC and small BLDC motor control and for PWM-dimmed LED lighting. The 20MHz internal bus provides the loop bandwidth needed for commutation and current regulation at moderate speeds, while the 10-bit ADC samples current-shunt and back-EMF feedback. The 5V I/O drive levels interface cleanly with gate drivers and MOSFET pre-drivers. In lighting applications the wide supply range supports industrial 24V-derived auxiliary rails. Verify PWM channel count against the S08AW data sheet timer module description for the specific 44-pin pin-mux variant before committing the layout.
Recomendado
Legacy Design Maintenance and Service
A significant ongoing use of the MC9S08AW32CFGE is sustaining existing products, since the part is NRND and original designs remain in the field for years. Service organizations can reprogram Flash in-circuit over the single-wire BDM interface to deploy firmware fixes without desoldering, and the HC08-compatible instruction set means toolchains such as CodeWarrior continue to build maintenance releases. Sourcing via authorized lifecycle distributors (e.g., Rochester Electronics listings on DigiKey) mitigates drawdown of primary-distributor stock. Design teams should qualify MC9S08AW60CFGE or S9S08AW32E5CFGE as pre-approved alternates on the approved-vendor list now.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MC9S08AW32CFGE — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MC9S08AW60CFGE | MC9S08AW48CFGE | MC9S08AW16CFGE | S9S08AW32E5CFGE |
|---|---|---|---|---|---|
| Package | 44-LQFP (10x10 mm) | 44-LQFP (10x10 mm) - same | 44-LQFP (10x10 mm) - same | 44-LQFP (10x10 mm) - same | 44-LQFP - same footprint |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 32 KB | 60 KB | 48 KB | 16 KB | 32 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| CPU Frequency | 40 MHz (20 MHz bus) | 40 MHz (20 MHz bus) | 40 MHz (20 MHz bus) | 40 MHz (20 MHz bus) | 40 MHz (20 MHz bus) |
| 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 |
| GPIO | 34 | 34 | 34 | 34 | 34 |
| Qualification | Standard (MC9 prefix) | Standard | Standard | Standard | Automotive grade |
Diferenciadores clave
- Wide 2.7V to 5.5V single-supply operation (frente a MC9S08AC32CFGER)
- Flash headroom upgrade path on identical footprint (frente a MC9S08AW32CFGE vs MC9S08AW60CFGE)
- Cost efficiency for 32KB-class control code (frente a S9S08AW32E5CFGE)
Notas de diseño
Decouple each VDD/VDDA pair with 0.1uF ceramic capacitors placed within 5 mm of the pins, plus one 10uF bulk capacitor per supply domain. The 2.7V to 5.5V range tolerates unregulated wall-adapter supplies, but keep VDDA filtered (ferrite plus 0.1uF) so the 10-bit ADC achieves meaningful resolution; ADC reference quality dominates system measurement accuracy. Estimated: at 20MHz bus with typical S08 run current of a few mA and 5V supply, expect roughly 10-20mW core dissipation - no thermal management is required.
The S08AW family is positioned by NXP for industrial and automotive environments where electromagnetic compatibility matters, but board-level design still determines results. Route the oscillator traces short and guarded, use a solid ground plane under the MCU, and add series resistors (approximately 100 ohm) on long unshielded I/O harness connections to slow edges and reduce emissions. Perform conducted/radiated emissions testing early because the 5V I/O swing drives more charge per edge than 3.3V parts.
The part is NRND - verify distributor stock and buy appropriate buffer quantities before finalizing a production BOM, and pre-qualify MC9S08AW60CFGE or S9S08AW32E5CFGE as alternates. Do not confuse package suffixes: CFGE is 44-LQFP while CPUE is 64-QFP and is NOT drop-in. Finally, the debug/programming interface is single-wire BDM, not JTAG - include the 6-pin BDM header footprint on every new board to avoid functional programming at production.
Información de cumplimiento
The E temperature/package suffix generally denotes Pb-free/RoHS in NXP nomenclature, but the provided verified data does not state RoHS/REACH status explicitly - confirm on the NXP product page. AEC-Q100 qualification is not stated for this MC9 commercial variant; the S9S08AW32E5CFGE is the automotive option.
