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NXP Semiconductors MC9S08AW16MPUE
- Part No.:
- MC9S08AW16MPUE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
MC9S08AW16MPUE.pdf
- Description:
- IC MCU 8BIT 16KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MC9S08AW16MPUE from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller designed for cost-sensitive embedded control applications requiring integrated analog, communication, and low-power operation. It features a 40-MHz CPU, 16 KB on-chip FLASH, 1 KB RAM, 10-bit ADC with 16 channels, two SCI modules, SPI, I²C, dual TPM timer/PWM modules, and up to 54 GPIO pins in a 48-pin QFN package.
For engineers reviewing the MC9S08AW16MPUE datasheet, MC9S08AW16MPUE pinout, MC9S08AW16MPUE application, or MC9S08AW16MPUE equivalent, key selection criteria include its 20-MHz bus frequency, copper-wire QFN-48 package (98ASA00466D), single-wire background debug interface, COP watchdog, and LVD reset/interrupt - all critical for industrial sensor nodes, motor control interfaces, and automotive body electronics where footprint, debug accessibility, and supply robustness matter.
Technical Context
The MC9S08AW16MPUE implements the S08CPUV2 core with HC08 instruction set extension (including BGND), supporting single-cycle execution for most instructions and real-time in-circuit emulation via on-chip debug module with two comparators and nine trigger modes. Its internal clock generator (S08ICGV4) supports multiple modes - FEI, FEE, FBE - with NVM-trimmed precision and optional external crystal/resonator input (XTAL/EXTAL).
Peripherals are memory-mapped and synchronized to the 20-MHz bus clock: the 10-bit ADC includes automatic compare and temperature sensor input; dual TPM modules provide 2-channel and 6-channel 16-bit PWM with edge-aligned and buffered centered-PWM capability; SCI modules support 13-bit break detection; and I²C operates up to 100 kbps under full bus loading.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | HCS08 S08CPUV2 - 40-MHz maximum core frequency enables fast interrupt response and deterministic real-time control loops. |
| Bus Frequency | 20 MHz - defines timing for peripheral register access, ADC conversion rate, and PWM resolution granularity. |
| FLASH Memory | 16 KB in-circuit programmable - sufficient for firmware with bootloader, communication stack, and control logic in compact embedded systems. |
| RAM | 1 KB on-chip - supports stack depth, data buffers for SCI/I²C/SPI, and ADC sample storage without external memory. |
| ADC | 16-channel, 10-bit SAR - provides sufficient channel count and resolution for multi-sensor monitoring (e.g., temperature, voltage, current) with internal temperature sensor. |
| PWM Channels | 8 total (2 + 6) 16-bit TPM channels - enables independent motor phase control, LED dimming, and digital power regulation with configurable dead-time and center-aligned modes. |
| I/O Pins | Up to 54 GPIO - includes software-selectable pullups, slew rate, and drive strength for flexible interfacing with sensors, switches, and actuators. |
Pinout & Package
MC9S08AW16MPUE is housed in a 48-pin low-profile quad flat no-lead (QFN) package with exposed thermal pad (case outline 98ASA00466D), using copper wire bonding per Freescale QFN migration addendum. The package supports reflow soldering and provides thermal performance suitable for industrial ambient temperatures.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDAD | Power supply inputs | VDD (digital core) and VDDAD (analog domain) must be decoupled separately; VDDAD powers ADC reference and analog circuitry for noise isolation. |
| VSS, VSSAD | Ground returns | Digital and analog ground planes should be partitioned and joined at single point near IC to minimize coupling into ADC. |
| XTAL / EXTAL | Clock oscillator terminals | Supports external crystal (32 kHz–8 MHz) or resonator; internal trimming allows stable bus clock generation without external components in some configurations. |
| BKGD/MS | Single-wire debug interface | Enables in-circuit debugging and programming via BDM protocol; requires only one signal line plus ground - reduces test point count. |
| RESET | Master reset input | Active-low, internally pulled up; accepts external reset sources or power-on reset assertion; triggers full system initialization sequence. |
| VREFH / VREFL | ADC reference inputs | Define full-scale range for 10-bit conversions; can be tied to VDDAD/VSSAD or driven externally for ratiometric or precision measurements. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip real-time ICE | Two hardware comparators and nine trigger modes enable precise capture of bus activity before/after events - critical for diagnosing timing-critical faults in motor control or communication protocols. |
| Computer Operating Properly (COP) watchdog | Configurable timeout prevents runaway code in safety-relevant functions; reset output ensures fail-safe recovery without external supervision circuitry. |
| Low-voltage detect (LVD) | Programmable threshold (2.5 V / 2.7 V / 2.9 V / 3.1 V) with selectable reset or interrupt action - protects FLASH integrity and prevents erratic behavior during brown-out conditions. |
| Keyboard interrupt (KBI) | Up to 8-pin matrix scanning with edge/level sensitivity - eliminates need for external debounce logic in human-interface applications like control panels or appliance keypads. |
| Buffered centered PWM (CPWM) | Hardware-synchronized dual-edge modulation across all TPM channels - essential for reducing EMI and improving efficiency in DC-DC converters and 3-phase motor drives. |
Applications
| Industrial Sensor Node | Automotive Body Control Module |
|---|---|
Use Scenario: Remote environmental monitoring unit with temperature, humidity, and supply voltage sensing, transmitting data via UART to gateway. IC Role / Device Role / Timing Role: Central controller managing ADC sampling, data formatting, serial transmission, and low-power sleep/wake cycles. Use Value: Integrated 16-channel ADC, dual SCI, and stop-mode power management enable long battery life and minimal external component count. |
Use Scenario: Door lock actuator control with position feedback, button input, and LIN-compatible UART communication. IC Role / Device Role / Timing Role: Real-time actuator driver coordinating PWM motor control, KBI for switch detection, and SCI for vehicle network messaging. Use Value: 8-channel PWM, keyboard interrupt, and single-wire debug simplify PCB layout and reduce BOM cost versus discrete solutions. |
| Smart Lighting Dimmer | Appliance Motor Interface |
Use Scenario: LED driver board with ambient light sensing, user knob input, and DALI/UART interface for building automation. IC Role / Device Role / Timing Role: Analog front-end processor converting photodiode signal, generating smooth PWM dimming waveforms, and handling protocol framing. Use Value: 10-bit ADC with auto-compare and 8-channel 16-bit TPM allow precise light-level tracking and flicker-free dimming without external timers. |
Use Scenario: Brushless DC fan controller with hall-effect rotor position sensing, overcurrent protection, and speed feedback via tachometer output. IC Role / Device Role / Timing Role: Closed-loop motor controller executing commutation logic, reading hall sensors, and regulating PWM duty cycle based on RPM error. Use Value: Hardware input capture on TPM channels enables accurate rotor position timing; LVD reset prevents erratic commutation during voltage sag. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S08AC16CFUE | Same HCS08 core, 16 KB FLASH, but 48-pin QFN with different pin mapping (98ASA00466D vs. 98ARL10606D); lacks KBI and has reduced ADC channels (8 vs. 16). | Targeted at simpler control tasks without keyboard matrix or multi-sensor analog acquisition. | Select when pin compatibility is secondary to lower cost and reduced peripheral requirements. |
| S9KEAZ128AMLH | Kinetis E-series ARM Cortex-M0+ MCU with 128 KB FLASH, 16 KB RAM, and enhanced peripherals (12-bit ADC, more timers); larger 64-pin LQFP package. | Designed for higher-performance applications requiring RTOS, USB, or advanced motor control algorithms. | Choose when future scalability, toolchain continuity with Kinetis, or increased processing headroom justifies migration. |
Compared with MC9S08AW16MPUE, MC9S08AC16CFUE offers identical memory size but fewer analog and interrupt resources, while S9KEAZ128AMLH delivers significantly higher compute throughput and peripheral integration at the cost of increased power and board area - making MC9S08AW16MPUE optimal for legacy-compatible, cost-constrained 8-bit control where mixed-signal integration and debug simplicity are prioritized.
Availability
MC9S08AW16MPUE is available at Aetrix Electronics and suitable for industrial sensor nodes, automotive body electronics, smart lighting systems, and appliance motor interfaces requiring stable component supply and long-term manufacturability.
Supply support for MC9S08AW16MPUE 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 leader focused on secure connectivity solutions for automotive, industrial, and IoT markets, with deep heritage in microcontrollers dating back to Motorola and Freescale.
The HCS08 family - including MC9S08AW16MPUE - was engineered for robust, low-cost embedded control in harsh environments, emphasizing debug accessibility, analog integration, and power efficiency for automotive body electronics and industrial automation.
FAQ
What is the maximum operating frequency of the MC9S08AW16MPUE CPU core?
The MC9S08AW16MPUE CPU core supports a maximum frequency of 40 MHz, enabling fast instruction execution and responsive real-time control. This core speed operates independently of the 20-MHz bus frequency, which governs peripheral timing and memory access. The MC9S08AW16MPUE achieves this performance using the S08CPUV2 architecture with optimized pipeline and HC08 instruction set extensions.
Does the MC9S08AW16MPUE support in-circuit debugging, and what interface is used?
Yes, the MC9S08AW16MPUE supports in-circuit debugging via a single-wire background debug mode (BDM) interface using the BKGD/MS pin. This allows full read/write memory access, breakpoint setting (one active plus two in debug module), and real-time bus capture. The MC9S08AW16MPUE does not require JTAG or additional debug pins, simplifying board layout and test fixture design.
What are the supported clock sources for the MC9S08AW16MPUE?
The MC9S08AW16MPUE supports multiple clock sources: external crystal or ceramic resonator (via XTAL/EXTAL), external clock input, and internally generated clock with NVM-trimmed precision. Its S08ICGV4 clock generator enables flexible configurations including FEI (FLL Engaged Internal), FEE (FLL Engaged External), and FBE (FLL Bypassed External) modes - all documented in the MC9S08AW16MPUE datasheet sections 8.4.3–8.4.7.
How many analog-to-digital converter channels does the MC9S08AW16MPUE include, and what is its resolution?
The MC9S08AW16MPUE integrates a 10-bit successive approximation register (SAR) ADC with up to 16 input channels. It supports automatic compare, temperature sensor input, and configurable sample time. This ADC is fully compatible with the MC9S08AW16MPUE's 20-MHz bus clock and operates across the full industrial temperature range, making it suitable for precision sensor interfacing without external signal conditioning.
Is the MC9S08AW16MPUE pin-compatible with other devices in the AW-series, such as the MC9S08AW60?
No, the MC9S08AW16MPUE is not pin-compatible with the MC9S08AW60 despite sharing the same 48-pin QFN package outline (98ASA00466D). Pin assignments differ significantly between AW-series variants due to varying peripheral sets and I/O multiplexing - for example, KBI and ADC channel mappings are reorganized. Migration requires schematic and layout revision; refer to Chapter 2 "Pins and Connections" in the MC9S08AW16MPUE datasheet for exact signal locations.
MC9S08AW16MPUE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-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:
- 54
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 16x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S08AW16MPUE FAQ
1.How can I place an order for MC9S08AW16MPUE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S08AW16MPUE 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 MC9S08AW16MPUE reliable?
The price and inventory of MC9S08AW16MPUE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S08AW16MPUE is usually 5 days.
3.What payment methods are accepted for MC9S08AW16MPUE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S08AW16MPUE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S08AW16MPUE?
MC9S08AW16MPUE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S08AW16MPUE 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 MC9S08AW16MPUE?
For technical support, including MC9S08AW16MPUE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S08AW16MPUE requirements.
6.How does Aetrix verify that MC9S08AW16MPUE is sourced from the original manufacturer or authorized distributors?
All MC9S08AW16MPUE 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 MC9S08AW16MPUE meets industry standards.
7.What is the process for return or replacement of MC9S08AW16MPUE?
All MC9S08AW16MPUE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S08AW16MPUE, 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 MC9S08AW16MPUE part is unused and in its original packaging.
Return procedure for MC9S08AW16MPUE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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