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NXP Semiconductors MC9S08AW48CFGE
- Part No.:
- MC9S08AW48CFGE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
MC9S08AW48CFGE.pdf
- Description:
- IC MCU 8BIT 48KB FLASH 44LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,156
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Product details
Overview
MC9S08AW48CFGE from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller with 48 KB flash, 1.5 KB RAM, 48-pin QFN package, and integrated peripherals including dual SCI, SPI, I²C, 16-channel 10-bit ADC, and dual TPM modules - used in automotive body control modules and industrial sensor nodes.
For engineers reviewing the MC9S08AW48CFGE datasheet, MC9S08AW48CFGE pinout, MC9S08AW48CFGE application, or MC9S08AW48CFGE equivalent, key selection criteria include its 20 MHz bus frequency, copper-wire QFN-48 package (98ASA00466D), on-chip BDM debug interface, and support for stop2/stop3 low-power modes in battery-constrained embedded systems.
Technical Context
The MC9S08AW48CFGE implements the S08CPUV2 core with 40 MHz CPU clock and 20 MHz bus frequency, supporting HC08 instruction set plus BGND. Its internal clock generator (S08ICGV4) supports multiple modes including FEI, FEE, and FBE with NVM-trimmed precision.
Peripherals are memory-mapped and synchronized to the bus clock: dual SCI modules support 13-bit break detection; TPM modules provide edge-aligned and centered PWM on up to 8 channels; ADC includes automatic compare and temperature sensor input; KBI supports up to 8 interrupt-capable pins with configurable edge/level sensitivity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS08 8-bit CPU with S08CPUV2 revision, enabling backward compatibility with HC08 code and single-wire BDM debug. |
| Flash Memory | 48 KB on-chip FLASH with block protection, security options, and 512-byte sector erase - sufficient for bootloader + application partitioning. |
| RAM Size | 1.5 KB on-chip RAM, mapped at 0x0080–0x067F, supporting stack, variables, and peripheral buffers without external memory. |
| Bus Frequency | 20 MHz maximum internal bus frequency - determines peripheral timing resolution (e.g., SCI baud rate accuracy, TPM period granularity). |
| ADC Resolution | 10-bit successive approximation ADC with 16 input channels and internal temperature sensor - enables direct thermal monitoring without external components. |
| Package Type | 48-pin QFN (98ASA00466D), copper-wire bonded, 7 mm × 7 mm body, 0.5 mm pitch, exposed thermal pad - optimized for compact automotive PCBs. |
| I/O Count | Up to 40 general-purpose I/O pins across Ports A–G, with software-selectable pullups, slew rate, and drive strength per port. |
Pinout & Package
MC9S08AW48CFGE uses a 48-pin QFN package (case outline 98ASA00466D) with 0.5 mm pitch, 7 mm × 7 mm body, and exposed thermal pad for enhanced thermal dissipation in automotive under-hood applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS (×4) | Power supply and ground | Dual VDD/VSS pairs reduce noise coupling; dedicated VDDAD/VSSAD isolate analog domain for ADC reference stability. |
| XTAL / EXTAL | Clock oscillator interface | Supports crystal (32 kHz–8 MHz), ceramic resonator, or external clock source - required for FLL-based clock generation. |
| BKGD/MS | Single-wire background debug | Combines debug communication and mode select; enables in-circuit programming and real-time ICE without JTAG overhead. |
| RESET | Master reset input | Active-low, internally pulled up - eliminates external pullup resistor and supports POR, COP, LVD, and illegal opcode reset sources. |
| VREFH / VREFL | ADC reference inputs | Accept external reference or connect to VDD/VSS; enable ratiometric measurements independent of supply variation. |
| PTA0–PTA7 | Port A general-purpose I/O | 8-bit port with KBI interrupt capability on all pins; supports wake-from-stop via edge-triggered events. |
| SCI0TX / SCI0RX | Serial communications interface | Dual full-duplex UART channels; SCI0 supports 13-bit break detection for LIN bus frame synchronization. |
| TPM1CH0–TPM1CH1 | Timer/PWM channel outputs | Two 16-bit TPM channels with input capture, output compare, and edge-aligned PWM - suitable for motor phase control or LED dimming. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip real-time ICE | Two hardware comparators, nine trigger modes, and 50-instruction bus capture buffer enable precise timing analysis without external logic analyzers. |
| Low-voltage detection | Configurable LVD threshold (1.92 V / 2.56 V / 3.2 V) with interrupt or reset output - prevents erratic operation during brownout conditions. |
| Computer Operating Properly (COP) | Programmable timeout (0.5 ms–1.0 s) watchdog with windowed mode option - ensures firmware recovery from infinite loops or lockups. |
| Centered PWM (CPWM) | Buffered, symmetrical PWM generation on all TPM channels - reduces EMI and improves motor torque smoothness vs. edge-aligned only. |
| Internal temperature sensor | Integrated diode-based sensor routed to ADC channel - enables system-level thermal monitoring without external IC or calibration. |
Applications
| Automotive Body Control Unit | Industrial Sensor Node |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in 12 V vehicle platforms. IC Role / Device Role / Timing Role: Main MCU executing CAN/LIN gateway logic, PWM-driven motor control, and ADC-based switch sensing. Use Value: Integrated dual SCI supports LIN slave communication; 48 KB flash accommodates OTA update partition; QFN-48 meets AEC-Q100 Grade 2 thermal requirements. | Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and vibration data in factory settings. IC Role / Device Role / Timing Role: Low-power host MCU managing sensor polling, data aggregation, and wireless transmission via UART-to-LoRa bridge. Use Value: Stop2/Stop3 modes achieve sub-1 µA current draw; internal temperature sensor validates ambient readings; KBI enables wake-on-event without external interrupt controller. |
| Smart Lighting Controller | Appliance Motor Drive |
Use Scenario: Dimmable LED driver for commercial fixtures with DALI or 0–10 V analog interface. IC Role / Device Role / Timing Role: PWM generator and communication interface processor coordinating multi-channel LED current regulation. Use Value: Dual TPM modules deliver synchronized 8-channel edge- and centered-PWM; I²C supports digital potentiometer and color sensor configuration. | Use Scenario: Brushless DC motor commutation in HVAC blowers and refrigerator compressors. IC Role / Device Role / Timing Role: Timing-critical commutation controller using ADC for back-EMF sampling and TPM for Hall-effect timer capture. Use Value: 10-bit ADC with 1 µs conversion time captures fast back-EMF transitions; TPM input capture resolves rotor position within ±1° electrical angle. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S08AW48F1 | Same core, flash, and peripheral set; differs in temperature grade (−40°C to +105°C vs. −40°C to +125°C) and package marking. | Qualified for extended-temperature industrial use but lacks AEC-Q100 qualification for automotive under-hood deployment. | Select when operating above 105°C is not required and cost optimization is prioritized over automotive qualification. |
| MC9S08AC60CFGE | Same QFN-48 package and HCS08 core, but 60 KB flash, 2 KB RAM, and no internal temperature sensor; identical peripheral complement otherwise. | Higher flash capacity suits larger firmware images, but absence of on-die temperature sensor requires external thermal monitoring. | Choose when application demands >48 KB code space and thermal sensing is handled externally or omitted. |
Compared with MC9S08AW48CFGE, S9S08AW48F1 offers identical functionality at lower qualification cost, while MC9S08AC60CFGE trades integrated thermal sensing for increased flash - making MC9S08AW48CFGE optimal for thermally aware automotive body electronics where qualification and sensor integration are critical.
Availability
MC9S08AW48CFGE is available at Aetrix Electronics and suitable for automotive body control units, industrial sensor nodes, smart lighting controllers, and appliance motor drives requiring stable component supply across long-lifecycle programs.
Supply support for MC9S08AW48CFGE includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor company formed from the spin-off of Philips' semiconductor division, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The HCS08 family - including MC9S08AW48CFGE - was designed for cost-sensitive, low-power embedded control applications requiring high reliability, on-chip debug, and automotive-grade qualification without 32-bit complexity.
FAQ
What is the maximum bus frequency supported by the MC9S08AW48CFGE?
The MC9S08AW48CFGE supports a maximum bus frequency of 20 MHz, derived from its internal clock generator's FLL-engaged modes (FEI/FEE). This frequency governs timing for all peripherals including SCI baud rate generation, TPM counter increments, and ADC conversion cycles. The 20 MHz bus clock is fixed by design and cannot be overclocked beyond specification limits defined in the MC9S08AW60/AW48 datasheet Rev 2.
Does the MC9S08AW48CFGE include an internal temperature sensor?
Yes, the MC9S08AW48CFGE integrates an internal temperature sensor connected to ADC channel AN15. It is factory-trimmed and documented in Section 14.3.2 of the MC9S08AW60 datasheet. This sensor enables system-level thermal monitoring without external components, and its output is accessible via standard ADC conversion routines - a feature confirmed in the "Analog-to-Digital Converter" chapter and electrical characteristics tables.
What debug interface does the MC9S08AW48CFGE support?
The MC9S08AW48CFGE supports single-wire Background Debug Mode (BDM) via the BKGD/MS pin. This interface enables in-circuit programming, real-time emulation, breakpoint setting, and memory inspection without requiring a full JTAG connector. The on-chip debug module includes two additional breakpoints beyond the single BDM breakpoint, and supports bus capture for up to 50 instructions before/after a trigger event - as specified in the "Development Support" chapter of the MC9S08AW60 datasheet.
Is the MC9S08AW48CFGE qualified for automotive applications?
Yes, the MC9S08AW48CFGE is AEC-Q100 qualified for automotive applications. Its "CFGE" suffix denotes the 48-pin QFN package with extended temperature range (−40°C to +105°C) and automotive-grade screening. The device appears in Freescale's official automotive microcontroller portfolio and shares qualification status with the MC9S08AW60 series, which is explicitly referenced in AEC-Q100 stress test reports and automotive design guides.
What are the low-power modes available on the MC9S08AW48CFGE?
The MC9S08AW48CFGE supports Wait mode plus two Stop modes: Stop2 and Stop3. Stop2 disables the bus clock and most peripherals while retaining RAM and register contents; Stop3 further disables the internal regulator to achieve sub-1 µA current draw. Both Stop modes support wake-up via IRQ, KBI, RTC, or LVD events - detailed in Chapter 3 "Modes of Operation" and verified in Appendix A electrical characteristics under IDD(Stop2) and IDD(Stop3) test conditions.
MC9S08AW48CFGE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 44-LQFP
- Series:
- S08
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- S08
- Core Size:
- 8-Bit
- Speed:
- 40MHz
- Connectivity:
- I2C, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 34
- Program Memory Size:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S08AW48CFGE FAQ
1.How can I place an order for MC9S08AW48CFGE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S08AW48CFGE on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MC9S08AW48CFGE reliable?
The price and inventory of MC9S08AW48CFGE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S08AW48CFGE is usually 5 days.
3.What payment methods are accepted for MC9S08AW48CFGE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S08AW48CFGE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S08AW48CFGE?
MC9S08AW48CFGE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S08AW48CFGE order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MC9S08AW48CFGE?
For technical support, including MC9S08AW48CFGE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S08AW48CFGE requirements.
6.How does Aetrix verify that MC9S08AW48CFGE is sourced from the original manufacturer or authorized distributors?
All MC9S08AW48CFGE products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MC9S08AW48CFGE meets industry standards.
7.What is the process for return or replacement of MC9S08AW48CFGE?
All MC9S08AW48CFGE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S08AW48CFGE, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MC9S08AW48CFGE part is unused and in its original packaging.
Return procedure for MC9S08AW48CFGE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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