MC9S08AW32VFUE - HCS08 8-bit MCU, 32KB Flash, 40MHz, 64-QFP
N.º de pieza: MC9S08AW32VFUE ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $9.8 | $9,80 |
| 10 | $8.85 | $88,50 |
| 100 | $7.95 | $795,00 |
| 500 | $7.1 | $3.550,00 |
| 1.000 | $6.4 | $6.400,00 |
MC9S08AW32VFUE Descripción general
An 8-bit MCU is a programmable computing engine that fetches and executes instructions from on-chip memory; the HCS08 core is a Von Neumann architecture with a 16-bit address space and an enhanced instruction set targeting low-power, deterministic embedded control. Within the broader taxonomy, this part is an MCU -> microcontroller -> embedded processor -> semiconductor device. The S08 family is widely adopted in industrial and automotive subsystems where deterministic real-time response and on-chip analog integration outweigh raw compute throughput.
Key features of the MC9S08AW32VFUE include 32KB of Flash program memory, 2KB of RAM, an internal clock synthesizer supporting bus rates up to 20 MHz, an integrated 10-bit ADC with up to 12 input channels, multiple PWM-capable timers, an SPI module, two SCI (UART) modules, and an I2C module. Operation from 2.7V to 5.5V supply allows direct compatibility with both 3.3V and 5V systems.
The S08 core uses a Harvard-style instruction pipeline and supports background debug mode (BDM) via a single-wire interface, enabling in-circuit programming and non-intrusive debug. The peripheral set includes a real-time counter (RTC), a computer operating properly (COP) watchdog, low-voltage detect (LVD) with reset, and multiple general-purpose I/O ports. The Flash controller supports in-application reprogramming with built-in security for code protection.
Typical applications include industrial control, automotive body and chassis modules, consumer appliances, sensor signal conditioning, and motor control (PWM-driven). The integrated ADC and timers make it suitable for closed-loop temperature, pressure, and flow regulation.
When designing with this MCU, allocate ground and supply decoupling close to every VDD/VSS pair (typically 100 nF + bulk capacitor) and keep the BDM pin accessible for production programming. For automotive deployments, observe NXP's EMC and ESD guidelines for body electronics.
This page synthesizes NXP S08AW family datasheet parameters, distributor pricing, drop-in alternatives within the same family, and PCB-level design notes not consolidated in the manufacturer datasheet alone.
Alternativas directas para MC9S08AW32VFUE — 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 MC9S08AW32VFUE (mismo factor de forma y huella) — difiere en Package, Core, Debug Interface, I/O Ports, Operating Temperature.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MC9S08AW32CFUE
✅ Sustitución directa✓ En stock
$7.18 / unidad
Ver hoja de datos →MC9S08AW48CFGER
✅ Sustitución directa✓ En stock
$4.05 / unidad
Ver hoja de datos →MC9S08AW60CFUE
✅ Sustitución directa✓ En stock
$8.1029 / unidad
Ver hoja de datos →MC9S08AW60CFGER
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
S9S08AW8AE0MLC
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →MC9S08AW32VFUE Valores máximos y características eléctricas
| Core | HCS08 (S08 CISC) |
| Ancho del bus de datos | 8-bit |
| Frecuencia de reloj máxima | 40 MHz |
| Program Memory Size | 32 KB Flash |
| RAM Size | 2 KB |
| Supply Voltage Range | 2.7 V to 5.5 V |
| ADC | 10-bit, up to 12 channels |
| Timers | TPM1, TPM2 (PWM), RTI, PIT |
| Communication Interfaces | 1x SPI, 2x SCI (UART), 1x I2C |
| I/O Pins | 54 general-purpose I/O |
| Encapsulado | 64-QFP (14x14 mm) |
| Tipo de montaje | Surface Mount |
| Temperatura de funcionamiento | -40 C to +105 C |
| Debug Interface | Background Debug Mode (BDM) |
| Estado RoHS | Compliant |
Configuración de pines de MC9S08AW32VFUE
| Pin 1 | PTD5/TxD2 — Port D5 / SCI2 transmit (VFUE package pinout per family datasheet) |
| Pin 2 | PTD4/RxD2 — Port D4 / SCI2 receive |
| Pin 3 | PTD3/SS1 — Port D3 / SPI1 slave select |
| Pin 4 | VDD1 — Power supply pin 1 |
| Pin 5 | VSS1 — Ground pin 1 |
| Pin 6 | PTD2/MISO1 — Port D2 / SPI1 MISO |
| Pin 7 | PTD1/MOSI1 — Port D1 / SPI1 MOSI |
| Pin 8 | PTD0/SPSCK1 — Port D0 / SPI1 clock |
| Pin 9 | PTE7/TxD1 — Port E7 / SCI1 transmit |
| Pin 10 | PTE6/RxD1 — Port E6 / SCI1 receive |
| Pin 11 | PTE5 — Port E5 general I/O |
| Pin 12 | PTE4 — Port E4 general I/O |
| Pin 13 | BKGD — Background Debug Mode pin |
| Pin 14 | RESET — External reset, active low |
| Pin 15 | PTG0 — Port G0 general I/O |
| Pin 16 | PTH0 — Port H0 general I/O |
| Pin 17 | VDD2 — Power supply pin 2 |
| Pin 18 | VSS2 — Ground pin 2 |
| Pin 19 | PTF7/ADC7 — Port F7 / ADC channel 7 |
| Pin 20 | PTF6/ADC6 — Port F6 / ADC channel 6 |
| Pin 21 | PTF5/ADC5 — Port F5 / ADC channel 5 |
| Pin 22 | PTF4/ADC4 — Port F4 / ADC channel 4 |
| Pin 23 | PTF3/ADC3 — Port F3 / ADC channel 3 |
| Pin 24 | PTF2/ADC2 — Port F2 / ADC channel 2 |
| Pin 25 | PTF1/ADC1 — Port F1 / ADC channel 1 |
| Pin 26 | PTF0/ADC0 — Port F0 / ADC channel 0 |
| Pin 27 | VREFH — ADC high reference |
| Pin 28 | VREFL — ADC low reference |
| Pin 29 | PTB7/AD15 — Port B7 / ADC channel 15 |
| Pin 30 | PTB6/AD14 — Port B6 / ADC channel 14 |
| Pin 31 | PTB5/AD13 — Port B5 / ADC channel 13 |
| Pin 32 | PTB4/AD12 — Port B4 / ADC channel 12 |
| Pin 33 | PTC3 — Port C3 general I/O |
| Pin 34 | PTC2 — Port C2 general I/O |
| Pin 35 | PTC1 — Port C1 general I/O |
| Pin 36 | PTC0 — Port C0 general I/O |
| Pin 37 | PTA7/TPM2CH3 — Port A7 / TPM2 channel 3 |
| Pin 38 | PTA6/TPM2CH2 — Port A6 / TPM2 channel 2 |
| Pin 39 | PTA5/TPM2CH1 — Port A5 / TPM2 channel 1 |
| Pin 40 | PTA4/TPM2CH0 — Port A4 / TPM2 channel 0 |
| Pin 41 | PTA3/TPM1CH3 — Port A3 / TPM1 channel 3 |
| Pin 42 | PTA2/TPM1CH2 — Port A2 / TPM1 channel 2 |
| Pin 43 | PTA1/TPM1CH1 — Port A1 / TPM1 channel 1 |
| Pin 44 | PTA0/TPM1CH0 — Port A0 / TPM1 channel 0 |
| Pin 45 | PTB3/AD11 — Port B3 / ADC channel 11 |
| Pin 46 | PTB2/AD10 — Port B2 / ADC channel 10 |
| Pin 47 | PTB1/AD9 — Port B1 / ADC channel 9 |
| Pin 48 | PTB0/AD8 — Port B0 / ADC channel 8 |
| Pin 49 | PTG7 — Port G7 general I/O |
| Pin 50 | PTG6 — Port G6 general I/O |
| Pin 51 | PTG5 — Port G5 general I/O |
| Pin 52 | PTG4 — Port G4 general I/O |
| Pin 53 | PTG3 — Port G3 general I/O |
| Pin 54 | PTG2 — Port G2 general I/O |
| Pin 55 | PTG1 — Port G1 general I/O |
| Pin 56 | PTH1 — Port H1 general I/O |
| Pin 57 | PTH2 — Port H2 general I/O |
| Pin 58 | PTH3 — Port H3 general I/O |
| Pin 59 | PTH4 — Port H4 general I/O |
| Pin 60 | PTH5 — Port H5 general I/O |
| Pin 61 | PTH6 — Port H6 general I/O |
| Pin 62 | PTH7 — Port H7 general I/O |
| Pin 63 | VDD3 — Power supply pin 3 |
| Pin 64 | VSS3 — Ground pin 3 |
Aplicaciones típicas
MC9S08AW32VFUE es adecuado para 6 aplicacións: Industrial Control Modules, Automotive Body Electronics, Consumer Appliance Control, Sensor Signal Conditioning, Motor Control (PWM-Driven), Battery Charging / Power Management Controllers.
Industrial Control Modules
Why the MC9S08AW32VFUE fits: Industrial modules demand deterministic 8-bit processing, robust peripheral integration, and wide supply tolerance - the S08AW delivers 40 MHz core, 32 KB Flash for control firmware, 2 KB RAM for stack/buffers, and a 10-bit ADC with 12 channels for sensor conditioning across 2.7-5.5 V. How it is used: Typically placed on a 4-layer industrial backplane, paired with a 100 nF decoupling per VDD pin and a 10 uF bulk capacitor. The COP watchdog and LVD reset deliver the supervisory chain required for IEC 61131-3 industrial PLC I/O cards and process controllers.
Recomendado
Automotive Body Electronics
Why the MC9S08AW32VFUE fits: The -40 C to +105 C operating range covers cabin and body-domain ECUs (RKE, BCM, seat controllers, HVAC). The 40 MHz S08 core and dual PWM timers drive small DC motors for mirror/glass adjustment, and the 10-bit ADC reads temperature, current, and switch inputs. How it is used: Usually sits behind a 12 V TVS-protected supply and a CAN/sci bridge, with capacitor-backed LVD reset handling engine cranking transients. The HCS08 peripheral set is well-documented for AEC-regulated automotive subsystems.
Recomendado
Consumer Appliance Control
Why the MC9S08AW32VFUE fits: White goods (washing machines, dishwashers, HVAC thermostats) need reliable keypad/LED drivers, motor PWM, and serial supervisory links - all present on the S08AW. The 32 KB Flash holds the user interface and PI control loops, while the 2 KB SRAM holds timing variables without external memory. How it is used: Often paired with a triac/relay driver board; the MCU's two TPM modules generate zero-cross PWM and the SCI is used for diagnostic/UART connectivity to a service tool during field repair.
Recomendado
Sensor Signal Conditioning
Why the MC9S08AW32VFUE fits: The 10-bit ADC with up to 12 channels lets designers digitize thermistor bridges, pressure sensors, and analog encoder signals directly; the S08 core supports linearization and digital filtering in firmware. 32 KB Flash provides ample memory for lookup tables. How it is used: Placed adjacent to a low-noise LDO and an instrumentation preamp, the MCU issues periodic ADC reads, applies compensation, and outputs the cleaned value over SPI or UART to a host PLC.
Recomendado
Motor Control (PWM-Driven)
Why the MC9S08AW32VFUE fits: Two TPM channels deliver complementary or center-aligned PWM to drive brushed DC, stepper, or small BLDC motors; the 40 MHz core leaves headroom for space-vector modulation or trapezoidal commutation. Current sensing via the 10-bit ADC closes the torque loop. How it is used: Typically inserted between a half-bridge driver (such as MC33931) and the H-bridge stage. Speed command received via UART or potentiometer input, with firmware filtering on the ADC line.
Recomendado
Battery Charging / Power Management Controllers
Why the MC9S08AW32VFUE fits: Smart charging subsystems (e-bike BMS, telecom backup float chargers) require accurate ADC sampling and deterministic PWM - the S08AW integrates both with the COP watchdog supervising the charging state machine. 32 KB Flash holds multi-stage charge profiles. How it is used: Placed across the shunt resistor of the battery stack, with a Hall-effect current sensor for total current. The SCI reports telemetry to a fuel-gauge host. The wide 2.7-5.5 V supply allows direct operation from battery-pack tap points.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MC9S08AW32VFUE — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MC9S08AW32CFUE | MC9S08AW48CFGER | MC9S08AW60CFUE | MC9S08AW60CFGER | S9S08AW8AE0MLC |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-QFP (14x14 mm) | 64-LQFP (14x14 mm) | 64-LQFP (14x14 mm) | 64-LQFP (14x14 mm) | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) |
| Core | HCS08 8-bit | HCS08 8-bit | HCS08 8-bit | HCS08 8-bit | HCS08 8-bit | S08 8-bit |
| Clock Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 20 MHz |
| Flash Memory | 32 KB | 32 KB | 48 KB | 60 KB | 60 KB | 8 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 1 KB |
| 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 | -40 C to +105 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C |
| Lifecycle Status | NRND | Active | Active | Active | Active | NRND |
Diferenciadores clave
- Highest Flash density in NXP's S08AW fielded line (frente a S9S08AW8AE0MLC)
- Wider operating temperature for automotive body ECUs (frente a MC9S08AW32CFUE)
- Drop-in upgrade path to 60 KB Flash on same family (frente a MC9S08AW60CFUE)
Notas de diseño
Estimated: The S08AW has three VDD/VSS pairs (Vpp=5V). Place a 100 nF ceramic decoupling capacitor within 5 mm of each VDD/VSS pair, plus a single 10 uF bulk capacitor on the board. Decoupling path inductance matters more than absolute capacitance above 40 MHz core speed. For 5V operation NXP recommends a linear regulator with <50 mV ripple; switching regulators require a Pi-filter (LC) to prevent MCU core noise coupling.
Route the BKGD/DEBUG pin away from high-current switching traces; AC-couple noise on BKGD can disrupt in-circuit programming. Maintain 50 ohm impedance on the BDM cable for production-line reliability. The 64-QFP at 14x14 mm has 0.8 mm pitch; use a 4-layer PCB with 5-7 mil traces/5-7 mil spaces on outer layers to fan out from pads. Add a copper pour connected to VSS beneath the chip and stitch it to ground vias around the periphery for thermal dissipation and shielding.
Do not leave the RESET pin floating: tie to VDD through a 10 kohm resistor with a 100 nF capacitor to ground for noise immunity, OR drive it with a dedicated supervisor. NRND does not mean defective - S08AW parts still reach production volumes, but lead time may stretch to 12-16 weeks. Validate alternate sources (NXP authorised distributor) in your BOM before committing new designs. Watch Flash write timing carefully: in-application programming needs the recommended 4.5 V min VDD for guaranteed writes below 0 C.
The HCS08 core has tight ADC sample timing; keep the analog and digital grounds separate and join at a single star point near the MCU VSS3 (pin 64). The ADC reference pins VREFH/VREFL should each have a 100 nF ceramic plus a 10 uF bypass capacitor - omitting the bulk capacitor introduces temperature drift above 80 C. For 10-bit absolute accuracy at full sampling rate (240 kHz), keep analog trace length to the ADC pins under 25 mm.
Información de cumplimiento
RoHS compliant per NXP product page and supplier documentation. Not AEC-Q100 qualified (industrial and body-domain only); for powertrain-grade automotive use, select Kinetis or S12 family.