MC9S08AW32VFGE - 32KB Flash HCS08 40MHz MCU | NXP | LQFP-44
Référence : MC9S08AW32VFGE ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $5.5 | $5,50 |
| 10 | $4.95 | $49,50 |
| 100 | $4.4 | $440,00 |
| 500 | $3.85 | $1 925,00 |
| 1 000 | $3.3 | $3 300,00 |
MC9S08AW32VFGE Présentation
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, Flash memory, and peripherals such as timers, ADCs, and communication interfaces on a single silicon die. 8-bit MCUs balance cost, power consumption, and code density for applications where higher-bit processors are unnecessary. Within the hierarchy, the MC9S08AW32VFGE is a microcontroller, part of the HCS08 family, falls under the broader category of microcontrollers, embedded processors, and finally integrated circuits (ICs). HCS08 is NXP's (formerly Freescale) enhanced 8-bit architecture that succeeded the legacy HC08 family with improved instruction set and peripherals.
Key features include 32KB of on-chip Flash program memory, 2KB of RAM, an internal clock generator, multiple 16-bit timers, a 10-bit ADC, SCI/SPI/IIC communication modules, and a real-time counter. The S08AW family is designed for low-power operation with multiple stop and wait modes, supporting both 3V and 5V systems. The 44-LQFP package provides easy prototyping and is pin-compatible with other S08AW family variants.
Architecturally, the HCS08 core runs at up to 40MHz bus frequency with a 3-stage pipeline and 16-bit address space. The integrated voltage regulator and power management allow single-supply operation from 2.7V to 5.5V. The internal clock source eliminates the need for an external crystal in many designs, reducing BOM cost.
Typical applications include automotive body electronics, industrial control systems, consumer appliances, motor control, sensor interfacing, and human-machine interface (HMI) controllers. Its automotive support makes it suitable for body control modules (BCMs), instrument clusters, and lighting control. Industrial applications include PLCs, smart sensors, and small appliances.
Design considerations include proper decoupling of the supply pins, following NXP hardware design guidelines for LQFP-44 PCB layout, and selecting appropriate clock source configuration. The LQFP package has a thermal pad that should be soldered to a copper pour for improved thermal dissipation at higher ambient temperatures.
This page synthesizes distributor availability, drop-in alternatives, and design notes to assist engineers in evaluating the MC9S08AW32VFGE for new designs and legacy system support.
Alternatives de remplacement direct pour MC9S08AW32VFGE — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MC9S08AW32VFGE (même facteur de forme et même empreinte) — différant par Package, Operating Temperature, RAM Size, Debug Interface, Peripherals.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S08AW48VFGE
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S08AW60VFGE
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S08AW60CPUE
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →MC9S12XEQ384CAG
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →MCF51MM256VMB
✅ Remplacement direct✓ En stock
$7.2 / unité
Voir la fiche technique →MC9S08AW32VFGE Valeurs maximales et caractéristiques électriques
| Core Architecture | HCS08 / S08 (8-bit) |
| Program Memory (Flash) | 32 KB (32K x 8) |
| RAM | 2 KB |
| Maximum CPU Frequency | 40 MHz |
| Operating Voltage Range | 2.7 V to 5.5 V |
| Boîtier | 44-LQFP (10x10 mm) |
| Type de montage | Surface Mount |
| Timers | Multiple 16-bit |
| Communication Interfaces | SCI (UART), SPI, IIC |
| Internal Clock | Yes (trimmed internal reference) |
| Plage de température de fonctionnement | -40C to +105C (V suffix industrial) |
| Statut RoHS | Compliant |
Configuration des broches de MC9S08AW32VFGE
| Broche 1 | PTE4/TCLK — Port E bit 4 / Timer channel |
| Broche 2 | PTE5 — Port E bit 5 |
| Broche 3 | PTE6 — Port E bit 6 |
| Broche 4 | PTE7 — Port E bit 7 |
| Broche 5 | VSS — Ground |
| Broche 6 | VDD — Supply voltage |
| Broche 7 | PTG0 — Port G bit 0 |
| Broche 8 | PTG1 — Port G bit 1 |
| Broche 9 | PTG2 — Port G bit 2 |
| Broche 10 | PTG3 — Port G bit 3 |
| Broche 11 | PTC0 — Port C bit 0 |
| Broche 12 | PTC1 — Port C bit 1 |
| Broche 13 | PTC2 — Port C bit 2 |
| Broche 14 | PTC3 — Port C bit 3 |
| Broche 15 | PTC4 — Port C bit 4 |
| Broche 16 | PTC5 — Port C bit 5 |
| Broche 17 | PTC6 — Port C bit 6 |
| Broche 18 | PTF0 — Port F bit 0 |
| Broche 19 | PTF1 — Port F bit 1 |
| Broche 20 | PTF2 — Port F bit 2 |
| Broche 21 | PTF3 — Port F bit 3 |
| Broche 22 | PTF4 — Port F bit 4 |
| Broche 23 | PTF5 — Port F bit 5 |
| Broche 24 | PTF6 — Port F bit 6 |
| Broche 25 | PTF7 — Port F bit 7 |
| Broche 26 | VSS — Ground |
| Broche 27 | VDD — Supply voltage |
| Broche 28 | PTA0 — Port A bit 0 |
| Broche 29 | PTA1 — Port A bit 1 |
| Broche 30 | PTA2 — Port A bit 2 |
| Broche 31 | PTA3 — Port A bit 3 |
| Broche 32 | PTA4 — Port A bit 4 |
| Broche 33 | PTA5 — Port A bit 5 |
| Broche 34 | PTA6 — Port A bit 6 |
| Broche 35 | PTA7 — Port A bit 7 |
| Broche 36 | PTB0 — Port B bit 0 |
| Broche 37 | PTB1 — Port B bit 1 |
| Broche 38 | PTB2 — Port B bit 2 |
| Broche 39 | PTB3 — Port B bit 3 |
| Broche 40 | PTB4 — Port B bit 4 |
| Broche 41 | PTB5 — Port B bit 5 |
| Broche 42 | PTB6 — Port B bit 6 |
| Broche 43 | PTB7 — Port B bit 7 |
| Broche 44 | RESET — Reset input (active low) |
Applications typiques
MC9S08AW32VFGE convient pour 6 applications: Automotive Body Control Module, Industrial Sensor Interface Module, Consumer Appliance Control, HMI and Display Controllers, Smart Lighting and LED Drivers, Motor Control (Small BLDC / Stepper).
Automotive Body Control Module
The MC9S08AW32VFGE fits automotive BCM designs with its 32KB Flash, 40MHz HCS08 core, and wide operating voltage of 2.7V to 5.5V. Its automotive-grade qualification per NXP's AW family spec and operating temperature up to +105C make it robust under hood conditions. The 44-LQFP package is footprint-compatible with the AW48/AW60 variants for scalable flash density in production. Its SCI, SPI, and IIC interfaces connect to LIN/CAN transceivers, while the internal clock eliminates the external crystal in cost-sensitive body modules.
Recommandé
Industrial Sensor Interface Module
The MC9S08AW32VFGE excels in industrial sensor interface applications requiring 8-bit efficiency, on-chip 10-bit ADC, and 32KB Flash for signal conditioning code. With 40MHz CPU, the MCU can sample at adequate rates for thermocouple, pressure, and flow sensors while remaining within tight BOM cost targets. Its wide supply range (2.7V to 5.5V) tolerates 24V industrial rails stepped down to 5V. Multiple SCI/SPI/IIC ports support concurrent sensor networks and digital isolators. Industrial temperature grade up to +105C supports factory floor deployment.
Recommandé
Consumer Appliance Control
For consumer appliances like washing machines, dishwashers, and microwave ovens, the MC9S08AW32VFGE provides sufficient Flash (32KB) for motor control state machines and UI handling. The HCS08 core at 40MHz is fast enough for sensor-based motor control loops and LED/LCD driving. The internal oscillator reduces BOM cost and simplifies EMI compliance, while the 44-LQFP package supports robust through-hole and SMT assembly. Multiple timers support PWM generation for variable-speed motor drives without external logic.
Recommandé
HMI and Display Controllers
The MC9S08AW32VFGE drives small HMI interfaces including LED matrices, segment LCDs, and keypads in industrial and appliance products. With 32KB Flash for UI code and 2KB RAM for display buffers, it handles mid-complexity menus and animations. Multiple GPIO pins (up to 38 depending on peripheral sharing) drive segmented displays directly. SCI supports connection to a host controller, while SPI can drive an external graphic LCD controller. The 44-LQFP footprint eases hand-soldering during prototyping and rework.
Recommandé
Smart Lighting and LED Drivers
The MC9S08AW32VFGE suits smart LED lighting controllers where multiple PWM channels and serial interfaces are needed. With 16-bit timers and PWM capability, it can drive RGB LED strips, dimmable fixtures, and addressable lighting networks. SCI/SPI connect to wireless modules (Bluetooth, Zigbee) for smart-home integration. Its low power modes (stop, wait) enable standby current below typical smart-bulb standby budgets, supporting energy-star compliance. The 32KB Flash holds Zigbee/BLE stack fragments plus lighting control firmware.
Recommandé
Motor Control (Small BLDC / Stepper)
For small brushless DC or stepper motor control in appliances, fans, and pumps, the MC9S08AW32VFGE offers enough CPU performance (40MHz, ~20 MIPS) and timers for sensorless trapezoidal or stepper commutation. The HCS08 core executes PID loops in microseconds, supporting real-time speed control. The on-chip 10-bit ADC samples back-EMF or current sense channels, and PWM outputs directly drive gate drivers via opto-isolators. The 44-LQFP package suits compact motor-control PCBs.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC9S08AW32VFGE — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC9S08AW48VFGE | MC9S08AW60VFGE | MC9S08AW60CPUE | MC9S12XEQ384CAG | MCF51MM256VMB |
|---|---|---|---|---|---|---|
| Package | 44-LQFP (10x10 mm) | 44-LQFP (10x10 mm) - same | 44-LQFP (10x10 mm) - same | 44-LQFP - same family | LQFP family - layout review | LQFP family - layout review |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Architecture | HCS08 (8-bit) | HCS08 (8-bit) | HCS08 (8-bit) | HCS08 (8-bit) | S12X (16-bit) | ColdFire V1 (32-bit) |
| Flash Memory | 32 KB | 48 KB (+50%) | 60 KB (+88%) | 60 KB (+88%) | 384 KB | 256 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 32 KB | 32 KB |
| Maximum CPU Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 50 MHz | 50 MHz |
| Operating Voltage Range | 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 | 3.0 V to 5.5 V | 1.8 V to 3.6 V |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +125C (automotive) | -40C to +105C |
Principaux différenciateurs
- Wide operating voltage and automotive-grade qualification in 8-bit class (vs MC9S08AC32CFGER)
- Mature HCS08 toolchain (CodeWarrior, PE) and broad NXP ecosystem (vs S9S08AW32E5CFGE)
- Footprint-compatible scalable family (AW16/AW32/AW48/AW60) (vs MC9S12XEQ384CAG)
- Cost-optimized 8-bit core vs 32-bit at the same price point (vs MCF51MM256VMB)
Notes de conception
The MC9S08AW32VFGE has dual VDD/VSS pairs (pins 6/5 and 27/26). Place 100nF decoupling capacitors as close as possible to each VDD pin, plus a 4.7uF bulk capacitor within 1cm of the supply. The internal voltage regulator still requires clean input supply; noisy rails cause erratic resets. For battery-backed designs, tie an external reset supervisor because the internal COP watchdog requires firmware initialization.
The 44-LQFP package has theta_JA around 50 C/W on a standard 4-layer JEDEC board. At full 40MHz operation across all peripherals, the device typically dissipates under 100mW, giving <5C junction rise. However, automotive designs at +105C ambient should still add a small copper pour on the exposed die attach pad (LQFP lead frame) to keep junction temperature under reliability limits over product lifetime.
Route the RESET pin to a test pad or pull-up resistor to VDD with a 10k ohm value; add a 1nF cap to ground for noise immunity per NXP hardware design guidelines. The LQFP-44 footprint requires 0.8mm pitch routing; use 0.15mm trace width with 0.2mm clearance for escape routing under the package. Maintain a continuous ground plane beneath the device to reduce EMI and improve signal integrity on the parallel port pins.
When porting code from HC08 to HCS08, beware that interrupt vector table layout differs by 2 bytes per vector. Use the latest CodeWarrior for HCS08 with the proper PE (Processor Expert) bean configuration to avoid missing vector entries. Always configure the SOPT register to enable the COP watchdog and background debug mode before enabling interrupts, or the MCU may lock up after power-on glitches.
Informations de conformité
AW family is automotive qualified per NXP product page. RoHS compliance confirmed via distributor listings. Halogen-free status not explicitly stated in verified data.
