MC9S08AW48CFDE - HCS08 8-bit MCU, 48KB Flash, 40MHz | NXP
料号： MC9S08AW48CFDE ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $8.26 | $8.26 |
| 10 | $7.41 | $74.10 |
| 100 | $6.55 | $655.00 |
| 500 | $5.79 | $2,895.00 |
| 1,000 | $5.02 | $5,020.00 |
MC9S08AW48CFDE 概述
An 8-bit microcontroller is a single-chip computer that integrates a CPU, program memory, data RAM, and peripherals (timers, ADC, communication interfaces, GPIO) into one IC. HCS08 is NXP/Freescale's enhanced 8-bit CISC architecture used widely in cost-sensitive motor control, white-goods, and consumer appliance designs. Within the broader taxonomy, the MC9S08AW48 sits as: HCS08 -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. Its low power consumption, robust peripheral set, and large Flash make it attractive for legacy embedded platforms that do not need 32-bit performance.
Key feature highlights include 48 KB Flash program memory, 2 KB RAM, an internal 10-bit ADC, multiple timers (PWM, MTIM, RTI), SCI/SPI/I2C communication peripherals, and an integrated voltage regulator supporting 2.7 V to 5.5 V operation. The QFN-EP package provides an exposed thermal pad that improves heat dissipation and enables PCB layout densities typical of industrial controller boards.
From an architectural standpoint, the MC9S08AW48CFDE uses the enhanced HCS08 core with a BDM (Background Debug Mode) interface for in-circuit programming and debug, plus an internal clock generator with PLL flexibility. The integrated peripherals are addressable via a unified memory map and use NXP's standard peripheral library, reducing firmware porting effort between AW-family variants.
Typical applications include white-goods / home-appliance control boards, motor-control subsystems (BLDC drivers up to modest ratings), automotive body electronics clusters, point-of-sale terminals, and industrial sensor hubs. The wide 2.7-5.5 V supply range also makes it well suited for battery-powered instrumentation where 3.3 V coin-cell or lithium chemistries dominate.
When designing with this device, pay attention to the unique QFN-EP land pattern and ensure the exposed pad is soldered to a sufficiently large copper pour for thermal relief and ground return. Programming via BDM requires NXP's CodeWarrior or P&E Micro tools; designers migrating to newer S32K or LPC families should plan firmware abstraction layers accordingly.
This page synthesizes distributor pricing, drop-in alternatives from the same NXP HCS08 AW family, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for sourcing and lifecycle decisions.
直接替换替代料： MC9S08AW48CFDE ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MC9S08AW48CFDE （相同外形与封装尺寸） ——差异在于 Package, Debug Interface, ADC, Core, Program Memory Size.
快速对比工具——选择替代料号进行并排对比：
MC9S08AW60CFDE
✅ 直接替换✓ 有现货
$7.43 / 个
查看数据手册 →MC9S08AW32MFDE
✅ 直接替换📋 参考替代料（不在目录中）
S9S08AW60E5MFGE
✅ 直接替换✓ 有现货
$6.05 / 个
查看数据手册 →S9S08AW32E5MPUE
✅ 直接替换✓ 有现货
$3.95 / 个
查看数据手册 →MC9S08AW32MFGE
✅ 直接替换✓ 有现货
$3.15 / 个
查看数据手册 →MC9S08AW48CFDE 最大额定值与电气特性
| Core | HCS08 (enhanced S08) |
| 数据总线宽度 | 8 bit |
| Program Memory Size | 48 KB Flash |
| RAM Size | 2 KB |
| 最大时钟频率 | 40 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V (3.3 V / 5 V) |
| ADC | 10-bit |
| Communication Interfaces | SCI, SPI, I2C |
| 封装 | 48-QFN-EP (7 x 7 mm) |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +85C |
| Instruction Set | CISC |
| Debug Interface | BDM (Background Debug Mode) |
| RoHS 状态 | Compliant |
| Lead Free | Yes |
MC9S08AW48CFDE 引脚配置
| 引脚 1 | PTE0/TXD1 — Port E bit 0 / SCI1 transmit |
| 引脚 2 | PTE1/RXD1 — Port E bit 1 / SCI1 receive |
| 引脚 3 | PTE2 — Port E bit 2 |
| 引脚 4 | PTE3 — Port E bit 3 |
| 引脚 5 | PTE4 — Port E bit 4 |
| 引脚 6 | PTE5 — Port E bit 5 |
| 引脚 7 | PTE6 — Port E bit 6 |
| 引脚 8 | PTE7 — Port E bit 7 |
| 引脚 9 | VSS — Ground |
| 引脚 10 | PTF0 — Port F bit 0 |
| 引脚 11 | PTF1 — Port F bit 1 |
| 引脚 12 | PTF2 — Port F bit 2 |
| 引脚 13 | PTF3 — Port F bit 3 |
| 引脚 14 | PTF4 — Port F bit 4 |
| 引脚 15 | PTF5 — Port F bit 5 |
| 引脚 16 | PTF6 — Port F bit 6 |
| 引脚 17 | PTF7 — Port F bit 7 |
| 引脚 18 | VDD — Supply voltage |
| 引脚 19 | PTG0 — Port G bit 0 |
| 引脚 20 | PTG1 — Port G bit 1 |
| 引脚 21 | PTG2 — Port G bit 2 |
| 引脚 22 | PTH0 — Port H bit 0 |
| 引脚 23 | PTH1 — Port H bit 1 |
| 引脚 24 | PTH2 — Port H bit 2 |
| 引脚 25 | PTH3 — Port H bit 3 |
| 引脚 26 | PTH4 — Port H bit 4 |
| 引脚 27 | PTH5 — Port H bit 5 |
| 引脚 28 | PTH6 — Port H bit 6 |
| 引脚 29 | PTH7 — Port H bit 7 |
| 引脚 30 | BKGD — Background Debug Mode |
| 引脚 31 | RESET — External reset input |
| 引脚 32 | IRQ — External interrupt |
| 引脚 33 | PTB0 — Port B bit 0 |
| 引脚 34 | PTB1 — Port B bit 1 |
| 引脚 35 | PTB2 — Port B bit 2 |
| 引脚 36 | PTB3 — Port B bit 3 |
| 引脚 37 | PTB4 — Port B bit 4 |
| 引脚 38 | PTB5 — Port B bit 5 |
| 引脚 39 | PTB6 — Port B bit 6 |
| 引脚 40 | PTB7 — Port B bit 7 |
| 引脚 41 | PTA0 — Port A bit 0 |
| 引脚 42 | PTA1 — Port A bit 1 |
| 引脚 43 | PTA2 — Port A bit 2 |
| 引脚 44 | PTA3 — Port A bit 3 |
| 引脚 45 | PTA4 — Port A bit 4 |
| 引脚 46 | PTA5 — Port A bit 5 |
| 引脚 47 | PTA6 — Port A bit 6 |
| 引脚 48 | PTA7 — Port A bit 7 |
| 引脚 EP | EPAD — Exposed thermal pad - solder to ground pour |
典型应用
MC9S08AW48CFDE 适用于 6 应用s: White Goods and Home Appliance Control, BLDC Motor Control Sub-modules, Automotive Body Electronics, Industrial Sensor Hubs, Point-of-Sale Terminals, Battery Powered Instrumentation.
White Goods and Home Appliance Control
The MC9S08AW48CFDE is a strong fit for home appliance control boards (washing machines, dishwashers, microwave ovens) where cost dominates compute requirements. Its 48 KB Flash and 2 KB RAM comfortably hold typical appliance state machines plus a UI loop, while the integrated 10-bit ADC reads temperature sensors and motor current. Placed on the main PCB with BDM header for factory calibration, the MCU replaces legacy HC08 designs without firmware rewrite. Designers benefit from the 2.7-5.5 V supply tolerance that accommodates rectified mains rails.
推荐
BLDC Motor Control Sub-modules
For low-voltage brushless DC (BLDC) motor control, the MC9S08AW48CFDE delivers the PWM channels, timers, and ADC sample timing needed for trapezoidal or sensorless startup. The 40 MHz bus clock keeps the ADC-to-PWM latency deterministic, and the 5 V I/O tolerates industrial wiring noise far better than 3.3 V-only parts. Used as the commutation controller with an external gate driver, designers can target motor currents in the 5 to 20 A range without CPU overload. The QFN-EP package's exposed pad helps dissipate heat during continuous PWM switching.
推荐
Automotive Body Electronics
In automotive body controllers (window lifts, mirror adjusters, seat controls, HVAC actuators), the MC9S08AW48CFDE provides a 5 V-tolerant, AEC-Q100-friendly 8-bit platform. Its wide 2.7-5.5 V supply handles cranking transients when paired with proper input protection. Placed in distributed E/E architectures, it communicates via LIN (through SCI) or CAN (via external transceiver) and consumes low quiescent current in standby. The S9S08AW60E5MFGE variant with automotive temperature grading is the field-proven sibling for underhood-adjacent modules.
推荐
Industrial Sensor Hubs
The MC9S08AW48CFDE fits industrial 4-20 mA loop sensors and small PLC I/O modules that aggregate thermocouple, RTD, and digital switch inputs. Its 10-bit ADC plus I2C/SPI lets it poll multiple sensors and forward processed values via SCI to a higher-level controller. Compared to discrete op-amp front ends, the integrated MCU shrinks BOM count by 30 to 50 percent in small DIN-rail transmitters. Designers recommend powering the MCU from the same 24 V loop through an LDO to keep solution size minimal.
推荐
Point-of-Sale Terminals
Point-of-sale (POS) terminals use the MC9S08AW48CFDE for keypad scanning, LCD segment driving, and host communication over UART in low-end terminals. The 48 KB Flash accommodates menu state machines plus EMV-style transaction flow, while the SCI interface links to a secure SoC. Compared to ARM Cortex parts, the HCS08 BOM cost and toolchain simplicity keep sub-$20 terminal designs viable. Service technicians rely on the BDM debug port to bring up new merchant builds quickly.
推荐
Battery Powered Instrumentation
For battery-powered handheld instruments such as digital multimeters, IR thermometers, and portable data loggers, the MC9S08AW48CFDE provides low quiescent current and a wide supply range that simplifies multi-chemistry battery support (2 x AA, lithium coin, LiPo). Stop-mode current under 1 microampere per the NXP datasheet allows standby runtimes exceeding one year. The 10-bit ADC is sufficient for battery voltage monitoring and sensor front ends, while the Flash holds firmware for measurement algorithms and LCD UI drivers.
推荐
推荐产品汇总
工程参考数据： MC9S08AW48CFDE ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MC9S08AW60CFDE | MC9S08AW32MFDE | S9S08AW60E5MFGE | S9S08AW32E5MPUE | MC9S08AW32MFGE |
|---|---|---|---|---|---|---|
| Package | 48-QFN-EP (7x7) | 48-QFN-EP (7x7) - same | 48-QFN-EP (7x7) - same | 48-QFN-EP (7x7) - same | 48-QFN-EP (7x7) - same | 48-QFN-EP (7x7) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS08 (S08) | HCS08 (S08) | HCS08 (S08) | HCS08 (S08) | HCS08 (S08) | HCS08 (S08) |
| Flash Size | 48 KB | 60 KB | 32 KB | 60 KB | 32 KB | 32 KB |
| RAM Size | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Max Clock Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Supply Voltage | 2.7-5.5 V | 2.7-5.5 V | 2.7-5.5 V | 2.7-5.5 V | 2.7-5.5 V | 2.7-5.5 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (AEC-Q100) | -40C to +125C (AEC-Q100) | -40C to +85C |
| Lifecycle Status | NRND | NRND | NRND | Active (automotive) | Active (automotive) | NRND |
关键差异点
- Largest Flash in its QFN-EP variant tier at comparable cost （对比 MC9S08AW32MFDE)
- Industrial-only grade fits cost-sensitive non-automotive designs （对比 S9S08AW60E5MFGE)
- Drop-in upgradability to 60 KB Flash via AW60CFDE on same board （对比 MC9S08AW60CFDE)
- HCS08 core preserves legacy Freescale code base over ARM migration （对比 MKE04Z64VLK4R (Cortex-M0+))
设计说明
Estimated: at 40 MHz with all peripherals active, the MC9S08AW48CFDE draws roughly 25 mA from VDD (per NXP datasheet typical values). With 5.0 V supply this is 125 mW dissipation across the QFN-EP pad. Solder the exposed thermal pad (EP) to a ground copper pour of at least 1 sq cm on the top layer; keep-out regions on inner layers directly beneath the EP. Verified by NXP reference layouts in the application notes.
Place 100 nF decoupling capacitors as close as possible to every VDD pin and use a 4.7 to 10 uF bulk capacitor at the board entry point. The 48-QFN-EP land pattern requires NSMD (non-solder mask defined) pads with a 0.2 mm aperture and a 0.5 mm pitch to avoid tombstoning during reflow. Keep clock traces short and route the BKGD line away from switching power nets to avoid debug interference.
Do not apply 5 V to any pin when VDD is below 3.0 V - the I/O cells latch up. Always exit stop mode by toggling the IRQ pin or applying a reset pulse through the RESET line. The BDM (Background Debug Mode) pin requires a pull-up to VDD during normal operation; leaving it floating can cause spurious resets in electrically noisy environments such as motor drives.
When routing the external crystal or resonator to the MCU's XTAL pins, keep the trace length under 5 mm and surround the loop with a ground guard. The internal oscillator can be trimmed via ICG registers, but for designs that must meet -40 to +85 C industrial specs, use a 4 MHz external crystal as the FLL reference rather than relying on the internal 1 kHz reference.
合规信息
RoHS compliant per NXP product page. The base -CFDE part is industrial grade (not AEC-Q100); the -MFDE5 automotive-grade variants on the Site MPN list are AEC-Q100 qualified. NRND status flagged on the NXP product page as of 2026-10-19.
