MC9S08AW32CFUE - 8-Bit 40MHz 32KB Flash MCU | NXP S08
MPN: MC9S08AW32CFUE ✗ Cuối đờiMC9S08AW32CFUE Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho MC9S08AW32CFUE — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MC9S08AW32CFUE (cùng hình factor và footprint) — khác nhau ở Package, Product Type, Communication Interfaces, Core, Flash Memory.
MC9S08AW32CFUER
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08AW32MFGE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08AW32VFGE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S9S08AW32E5MPUE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →S9S08AW60E5MFGE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08AW32CFUE Tỷ lệ tối đa & tính chất điện
| 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 |
| Hộp | 64-QFP (14x14 mm) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40C to +85C (industrial) |
| Cấp MSL | 3 |
| Trạng thái RoHS | Compliant |
| Debug Interface | BDM (Background Debug Mode) |
| Lead-Free | Yes |
Cấu hình chân MC9S08AW32CFUE
| Chân 1 | PTD0/TxD1 — GPIO / SCI1 transmit |
| Chân 2 | PTD1/RxD1 — GPIO / SCI1 receive |
| Chân 3 | PTD2/SPSCK1 — GPIO / SPI1 clock |
| Chân 4 | PTD3/MOSI1 — GPIO / SPI1 master-out-slave-in |
| Chân 5 | PTD4/MISO1 — GPIO / SPI1 master-in-slave-out |
| Chân 6 | PTD5/SS1 — GPIO / SPI1 slave-select |
| Chân 7 | PTD6 — GPIO |
| Chân 8 | PTD7 — GPIO |
| Chân 9 | VDD — Supply voltage 2.7-5.5V |
| Chân 10 | VSS — Ground |
| Chân 11 | PTA0 — GPIO / ADC channel |
| Chân 12 | PTA1 — GPIO / ADC channel |
| Chân 13 | PTA2 — GPIO / ADC channel |
| Chân 14 | PTA3 — GPIO / ADC channel |
| Chân 15 | PTA4 — GPIO / ADC channel |
| Chân 16 | PTA5 — GPIO / ADC channel |
| Chân 17 | PTA6 — GPIO / ADC channel |
| Chân 18 | PTA7 — GPIO / ADC channel |
| Chân 19 | PTB0 — GPIO |
| Chân 20 | PTB1 — GPIO |
| Chân 21 | PTB2 — GPIO |
| Chân 22 | PTB3 — GPIO |
| Chân 23 | PTB4 — GPIO |
| Chân 24 | PTB5 — GPIO |
| Chân 25 | PTB6 — GPIO |
| Chân 26 | PTB7 — GPIO |
| Chân 27 | PTC0 — GPIO |
| Chân 28 | PTC1 — GPIO |
| Chân 29 | PTC2 — GPIO |
| Chân 30 | PTC3 — GPIO |
| Chân 31 | PTC4 — GPIO |
| Chân 32 | PTC5 — GPIO |
| Chân 33 | PTC6 — GPIO |
| Chân 34 | PTC7 — GPIO |
| Chân 35 | PTE0/TxD2 — GPIO / SCI2 transmit |
| Chân 36 | PTE1/RxD2 — GPIO / SCI2 receive |
| Chân 37 | PTE2 — GPIO |
| Chân 38 | PTE3 — GPIO |
| Chân 39 | PTE4 — GPIO |
| Chân 40 | PTE5 — GPIO |
| Chân 41 | PTE6 — GPIO |
| Chân 42 | PTE7 — GPIO |
| Chân 43 | PTF0 — GPIO |
| Chân 44 | PTF1 — GPIO |
| Chân 45 | PTF2 — GPIO |
| Chân 46 | PTF3 — GPIO |
| Chân 47 | PTF4 — GPIO |
| Chân 48 | PTF5 — GPIO |
| Chân 49 | PTF6 — GPIO |
| Chân 50 | PTF7 — GPIO |
| Chân 51 | PTG0 — GPIO |
| Chân 52 | PTG1 — GPIO |
| Chân 53 | PTG2 — GPIO / SDA (IIC) |
| Chân 54 | PTG3 — GPIO / SCL (IIC) |
| Chân 55 | RESET — Reset input, active-low |
| Chân 56 | BKGD/MS — Background Debug Mode / Mode Select |
| Chân 57 | XTAL — Crystal oscillator output |
| Chân 58 | EXTAL — Crystal oscillator input or external clock |
| Chân 59 | VDD — Supply voltage 2.7-5.5V |
| Chân 60 | VSS — Ground |
| Chân 61 | NC — Not connected (per datasheet) |
| Chân 62 | NC — Not connected (per datasheet) |
| Chân 63 | NC — Not connected (per datasheet) |
| Chân 64 | NC — Not connected (per datasheet) |
Ứng dụng tiêu biểu
MC9S08AW32CFUE phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S08AW32CFUE — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Tape-and-reel packaging variant (vsMC9S08AW32CFUER)
- Industrial temperature grade only (vsMC9S08AW32MFGE)
- S9S08AW32 successor at lower price (vsS9S08AW32E5MPUE)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.