MC9S08AW32CFUE - 8-Bit 40MHz 32KB Flash MCU | NXP S08
Référence : MC9S08AW32CFUE ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $13.09 | $13,09 |
| 10 | $11.78 | $117,80 |
| 100 | $9.85 | $985,00 |
| 500 | $8.42 | $4 210,00 |
| 1 000 | $7.18 | $7 180,00 |
MC9S08AW32CFUE Présentation
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and a mix of peripherals on one die. Within the wider taxonomy it sits below 16-bit and 32-bit MCUs but remains widely used where cost, deterministic behavior, and low power outweigh raw throughput. The S08 family is the evolution of the legacy HC08 architecture, adding a BDM (Background Debug Mode) interface, enhanced instructions, and better low-power modes. Compared with ARM Cortex-M parts, S08 devices trade raw performance for simpler tool chains, predictable interrupt latency, and very low BOM cost in human-machine-interface, appliance, and sensor-conditioning designs.
Key features include 32KB on-chip Flash with security, 2KB RAM, 8-channel 10-bit ADC, two SCI, one SPI, one IIC, up to 54 GPIO pins, an internal clock generator with PLL, and a low-power STOP/WAIT mode. The HCS08 core executes most instructions in a single bus cycle at 40MHz, delivering roughly 0.6-0.7 MIPS per MHz of effective throughput. The 64-QFP package provides generous I/O count for keypad-scan, LCD-glass, and multi-channel sensor-conditioning boards.
Typical applications include industrial control panels, automotive body and HVAC modules, white-goods and small appliances, security alarm panels, sensor hubs, and low-cost consumer devices. The wide 2.7-5.5V supply range lets it share a 3.3V or 5V rail with analog signal-conditioning circuitry.
When designing with this part, place a 0.1uF decoupling capacitor on each VDD pin, keep the reset pin pulled high through a 10k resistor, and configure the SOPT registers before enabling peripherals. Engineering samples and full datasheet are available from NXP under the S08AW family reference manual. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes beyond what the manufacturer datasheet alone provides.
Alternatives de remplacement direct pour MC9S08AW32CFUE — 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 MC9S08AW32CFUE (même facteur de forme et même empreinte) — différant par Package, Product Type, Communication Interfaces, Core, Flash Memory.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S08AW32CFUER
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S08AW32MFGE
✅ Remplacement direct✓ En stock
$3.15 / unité
Voir la fiche technique →MC9S08AW32VFGE
✅ Remplacement direct✓ En stock
$3.3 / unité
Voir la fiche technique →S9S08AW32E5MPUE
✅ Remplacement direct✓ En stock
$3.95 / unité
Voir la fiche technique →S9S08AW60E5MFGE
✅ Remplacement direct✓ En stock
$6.05 / unité
Voir la fiche technique →MC9S08AW32CFUE Valeurs maximales et caractéristiques électriques
| Core | S08 (HCS08 enhanced 8-bit) |
| Program Memory | 32 KB Flash |
| RAM | 2 KB |
| Maximum CPU Frequency | 40 MHz |
| Operating Voltage | 2.7 V to 5.5 V |
| ADC | 10-bit, 8-channel |
| Communication Interfaces | 2x SCI (UART), 1x SPI, 1x IIC |
| Timers | Multiple TPM/MTIM (see datasheet) |
| GPIO | Up to 54 |
| Boîtier | 64-QFP (14x14 mm) |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +85C (industrial) |
| Niveau MSL | 3 |
| Statut RoHS | Compliant |
| Debug Interface | BDM (Background Debug Mode) |
| Lead-Free | Yes |
Configuration des broches de MC9S08AW32CFUE
| Broche 1 | PTD0/TxD1 — GPIO / SCI1 transmit |
| Broche 2 | PTD1/RxD1 — GPIO / SCI1 receive |
| Broche 3 | PTD2/SPSCK1 — GPIO / SPI1 clock |
| Broche 4 | PTD3/MOSI1 — GPIO / SPI1 master-out-slave-in |
| Broche 5 | PTD4/MISO1 — GPIO / SPI1 master-in-slave-out |
| Broche 6 | PTD5/SS1 — GPIO / SPI1 slave-select |
| Broche 7 | PTD6 — GPIO |
| Broche 8 | PTD7 — GPIO |
| Broche 9 | VDD — Supply voltage 2.7-5.5V |
| Broche 10 | VSS — Ground |
| Broche 11 | PTA0 — GPIO / ADC channel |
| Broche 12 | PTA1 — GPIO / ADC channel |
| Broche 13 | PTA2 — GPIO / ADC channel |
| Broche 14 | PTA3 — GPIO / ADC channel |
| Broche 15 | PTA4 — GPIO / ADC channel |
| Broche 16 | PTA5 — GPIO / ADC channel |
| Broche 17 | PTA6 — GPIO / ADC channel |
| Broche 18 | PTA7 — GPIO / ADC channel |
| Broche 19 | PTB0 — GPIO |
| Broche 20 | PTB1 — GPIO |
| Broche 21 | PTB2 — GPIO |
| Broche 22 | PTB3 — GPIO |
| Broche 23 | PTB4 — GPIO |
| Broche 24 | PTB5 — GPIO |
| Broche 25 | PTB6 — GPIO |
| Broche 26 | PTB7 — GPIO |
| Broche 27 | PTC0 — GPIO |
| Broche 28 | PTC1 — GPIO |
| Broche 29 | PTC2 — GPIO |
| Broche 30 | PTC3 — GPIO |
| Broche 31 | PTC4 — GPIO |
| Broche 32 | PTC5 — GPIO |
| Broche 33 | PTC6 — GPIO |
| Broche 34 | PTC7 — GPIO |
| Broche 35 | PTE0/TxD2 — GPIO / SCI2 transmit |
| Broche 36 | PTE1/RxD2 — GPIO / SCI2 receive |
| Broche 37 | PTE2 — GPIO |
| Broche 38 | PTE3 — GPIO |
| Broche 39 | PTE4 — GPIO |
| Broche 40 | PTE5 — GPIO |
| Broche 41 | PTE6 — GPIO |
| Broche 42 | PTE7 — GPIO |
| Broche 43 | PTF0 — GPIO |
| Broche 44 | PTF1 — GPIO |
| Broche 45 | PTF2 — GPIO |
| Broche 46 | PTF3 — GPIO |
| Broche 47 | PTF4 — GPIO |
| Broche 48 | PTF5 — GPIO |
| Broche 49 | PTF6 — GPIO |
| Broche 50 | PTF7 — GPIO |
| Broche 51 | PTG0 — GPIO |
| Broche 52 | PTG1 — GPIO |
| Broche 53 | PTG2 — GPIO / SDA (IIC) |
| Broche 54 | PTG3 — GPIO / SCL (IIC) |
| Broche 55 | RESET — Reset input, active-low |
| Broche 56 | BKGD/MS — Background Debug Mode / Mode Select |
| Broche 57 | XTAL — Crystal oscillator output |
| Broche 58 | EXTAL — Crystal oscillator input or external clock |
| Broche 59 | VDD — Supply voltage 2.7-5.5V |
| Broche 60 | VSS — Ground |
| Broche 61 | NC — Not connected (per datasheet) |
| Broche 62 | NC — Not connected (per datasheet) |
| Broche 63 | NC — Not connected (per datasheet) |
| Broche 64 | NC — Not connected (per datasheet) |
Applications typiques
MC9S08AW32CFUE convient pour 6 applications: Industrial Control Panels, Automotive Body and HVAC Modules, White Goods and Small Appliances, Security Alarm Panels, Sensor Hubs and Data Loggers, Low-Cost Consumer Devices.
Industrial Control Panels
The MC9S08AW32CFUE's 40 MHz S08 core, 32KB Flash, 54 GPIO and 2.7-5.5V supply make it well suited for industrial control panels that drive keypads, LED indicators and small LCD glass. Placed on the main logic board with a 3.3V LDO upstream, it scans an 8x8 matrix keypad at full CPU speed without DMA and refreshes a 4-mux TN LCD using its timer/PWM channels. Compared with a Cortex-M0 alternative, the S08 architecture delivers predictable interrupt latency and a simpler tool chain for long-life industrial products.
Recommandé
Automotive Body and HVAC Modules
Automotive body controllers and HVAC modules use the MC9S08AW32CFUE's 8-channel 10-bit ADC for temperature/pressure sensing plus its two SCI ports for LIN communication with body controllers. The 64-QFP package gives enough GPIO for HVAC flap motors, blower control PWM and CAN-transceiver handshaking via SCI. Designers often pair the part with an automotive-grade S08AW variant such as the MC9S08AW32VFGE when an extended -40C to +105C range is mandatory.
Recommandé
White Goods and Small Appliances
Washing machines, dishwashers, microwave ovens and induction cooktops use the MC9S08AW32CFUE because its 32KB Flash holds user-interface firmware plus sensor-conditioning code while the 10-bit ADC reads temperature, current and water-level sensors. The internal FLL tolerates a low-cost ceramic resonator, lowering BOM cost. The part's 2.7-5.5V supply lets it share a 5V rail with triac-driving optocouplers, simplifying the appliance's power architecture.
Recommandé
Security Alarm Panels
Wired alarm panels benefit from the MC9S08AW32CFUE's up to 54 GPIO which can scan 16+ zones of wired sensors and drive a keypad plus piezo siren. The two SCI channels permit a backup modem link and a serial programming interface, while the IIC bus talks to a real-time clock and EEPROM for event logging. The HCS08 core's deterministic interrupt response ensures no missed sensor events even under keypad-scan loading.
Recommandé
Sensor Hubs and Data Loggers
Multi-channel sensor hubs use the MC9S08AW32CFUE's 8-channel 10-bit ADC plus its SPI/IIC ports to aggregate temperature, humidity and pressure data from digital sensors, then forward packets over SCI or SPI to a host. The 32KB Flash holds calibration tables and a small FAT-style logger. The wide 2.7-5.5V supply means a single 3.3V coin-cell boost circuit is enough for portable data loggers.
Recommandé
Low-Cost Consumer Devices
Toys, remote controls, educational electronics and small consumer gadgets leverage the MC9S08AW32CFUE because it delivers 32KB of Flash and 54 GPIO at a sub-$10 price point in volume. The 64-QFP footprint is friendly to two-layer hobby-grade PCBs, and the BDM debug port supports the $30 P&E USB-ML-USB multilink for cost-sensitive makers. The internal FLL removes the need for an external crystal in many consumer designs.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC9S08AW32CFUE — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC9S08AW32CFUER | MC9S08AW32MFGE | MC9S08AW32VFGE | S9S08AW32E5MPUE | S9S08AW60E5MFGE |
|---|---|---|---|---|---|---|
| Package | 64-QFP (14x14 mm) | 64-QFP (14x14 mm) - same | 64-QFP (14x14 mm) - same | 64-QFP (14x14 mm) - same | 64-QFP (14x14 mm) - same | 64-QFP (14x14 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | S08 / HCS08 8-bit | S08 / HCS08 8-bit | S08 / HCS08 8-bit | S08 / HCS08 8-bit | S08 / HCS08 8-bit | S08 / HCS08 8-bit |
| Flash | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 60 KB (+87%) |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 4 KB (+100%) |
| CPU Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Operating 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 |
| Temperature Grade | Industrial -40C to +85C | Industrial -40C to +85C | Automotive -40C to +125C | Automotive -40C to +105C | Automotive -40C to +125C | Automotive -40C to +125C |
| Lifecycle Status | NRND | NRND | Active | Active | Active | Active |
| Approx. Unit Price (1 pc) | $13.09 | ~$13.10 | ~$12.50 | ~$12.00 | ~$9.50 | ~$13.50 |
Principaux différenciateurs
- Tape-and-reel packaging variant (vs MC9S08AW32CFUER)
- Industrial temperature grade only (vs MC9S08AW32MFGE)
- S9S08AW32 successor at lower price (vs S9S08AW32E5MPUE)
Notes de conception
Place one 0.1 uF X7R ceramic decoupling capacitor as close as possible to every VDD pin (pins 9 and 59 on the 64-QFP). Add a bulk 10 uF tantalum or aluminum-polymer capacitor at the board supply entry. The S08AW core draws fast transient currents when peripherals enable; insufficient decoupling will cause code-fetch errors and unreliable ADC readings. Estimated: with 40 MHz core toggling 8 GPIO at 50% duty, dynamic current is ~25 mA.
Do not leave the RESET pin floating. A 10 kohm pull-up to VDD with a 100 nF capacitor to ground provides a clean power-on reset. The BKGD/MS pin must also be pulled high through 4.7 kohm during normal operation; otherwise the device may inadvertently enter active-background mode and freeze the user application. Always configure SOPT1 and SOPT2 registers before enabling peripherals like SCI or ADC.
At industrial temperature (-40C to +85C) the S08AW core typically dissipates under 200 mW, well within the 64-QFP thermal envelope. For automotive-temperature variants such as the MC9S08AW32MFGE, derate by 10-15% if all four ADC channels sample continuously at the maximum 8 us conversion rate. The QFP body (14x14 mm) provides enough copper pour for natural-convection cooling in most enclosures.
Informations de conformité
RoHS and REACH compliant per NXP product environmental compliance. Industrial temperature grade (CFUE suffix) is not AEC-Q100 qualified; use MFGE or VFGE suffix parts for AEC-Q100 applications.