S9S08AW8AE0MLC - 8-Bit 40MHz Automotive MCU | NXP
MPN: S9S08AW8AE0MLC ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
S9S08AW8AE0MLC Overview
A microcontroller is a compact embedded-control semiconductor that integrates a processor core, program memory, data memory, I/O, and peripherals into one device. The S08 family belongs to the HCS08 8-bit MCU hierarchy and is intended for cost-sensitive embedded systems where a general-purpose CPU, serial communications, timing, and basic control functions are sufficient. This device is positioned for industrial and automotive-style embedded control rather than high-compute applications.
The key verified attributes are 8 KB Flash, 40 MHz operation, 8-bit processing, 32-LQFP packaging, and an extended temperature range. Additional listed connectivity includes I²C, SCI, and SPI, while listed peripherals include low-voltage detection, power-on reset, PWM, and a watchdog timer. The package is a 32-pin 7 mm × 7 mm LQFP. The verified sources describe both 3.3 V/5 V operation and a 2.7 V to 5.5 V supply range, so the exact electrical limits should be confirmed against the manufacturer datasheet for the selected grade.
The device is suited to automotive control modules, industrial sensing and actuation, embedded motor or system control, communications modules, and low-cost control platforms. Its 8-bit S08 core is appropriate when control logic, serial connectivity, and deterministic peripheral integration matter more than 32-bit processing capacity. The 40 MHz clock rating provides a meaningful performance margin for interrupt-driven control and communication workloads, while the 768-byte RAM should be considered when sizing the application firmware and buffers.
When designing around this MCU, verify the exact pin multiplexing, alternate-function assignments, electrical characteristics, and programming requirements in the NXP product documentation. The LQFP footprint also requires careful PCB layout, adequate decoupling, and thermal consideration. Because the NXP product page identifies the part as End of Life, new production designs should confirm lifecycle status, availability, and approved sourcing before committing to a release.
Drop-in alternatives for S9S08AW8AE0MLC — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with S9S08AW8AE0MLC (same form factor and footprint) — differing in Package, ADC, Core, Timers, RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S08AC8CFJE
✅ Drop-In✓ In Stock
$2.48 / Unit
View Datasheet →MC9S08AC8MFJE
✅ Drop-In✓ In Stock
$2.45 / Unit
View Datasheet →MC9S08AW32MFGE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.15 / Unit
View Datasheet →MC9S08AW32VFGE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.3 / Unit
View Datasheet →MC9S08AW60E5MFGE
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
S9S08AW8AE0MLC Maximum Ratings & Electrical Characteristics
| Core Architecture | HCS08 S08 CISC 8-bit core |
| Maximum Clock Speed | 40 MHz |
| Flash Memory | 8 KB (8K x 8) |
| RAM | 768 x 8 bits |
| Supply Voltage | 3.3 V/5 V |
| Alternative Supply Voltage Listing | 2.7 V to 5.5 V |
| Operating Temperature | -40°C to +125°C |
| Package | 32-pin LQFP, 7 mm x 7 mm |
| I/O Ports | 38 |
| Connectivity | I²C, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| Program Memory Type | Flash |
| Automotive Qualification | Automotive Qualified |
| Mounting Type | Surface Mount |
| RoHS Status | RoHS compliant |
| Lifecycle Status | End of Life |
| Manufacturer Product Page | NXP Semiconductors |
S9S08AW8AE0MLC 32-pin lqfp, 7 mm x 7 mm Pin Configuration Guide
Pin configuration for S9S08AW8AE0MLC (32-pin lqfp, 7 mm x 7 mm package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for S9S08AW8AE0MLC.
Refer to the datasheet for full pin configuration.
Typical Applications
S9S08AW8AE0MLC is suitable for 6 applications: Automotive body and comfort control, Industrial sensor and actuator controller, Motor and PWM control, Serial communications gateway, Embedded instrumentation module, Low-cost consumer accessory controller.
Automotive body and comfort control
The S9S08AW8AE0MLC fits low- to medium-complexity vehicle body-control tasks where an 8-bit core, 8 KB Flash, 768-byte RAM, PWM, watchdog timer, and serial interfaces are sufficient. Its listed -40°C to +125°C temperature range and automotive-qualified status support evaluation for cabin, body, lighting, and auxiliary control modules. I²C and SCI can connect sensors and diagnostic equipment, while SPI can provide a path to external peripherals. The 40 MHz maximum clock helps service interrupt-driven control loops. Because the part is marked End of Life, automotive production use requires lifecycle, traceability, and replacement confirmation with NXP.
Recommended
Industrial sensor and actuator controller
The S9S08AW8AE0MLC is suitable for compact industrial control boards that need sensor acquisition, basic decision logic, and actuator timing without a higher-complexity MCU. Its listed I²C, SCI, SPI, PWM, low-voltage detection, power-on reset, and watchdog-timer functions provide useful building blocks for distributed measurement and control. The 8-bit S08 core and 40 MHz rating support interrupt-based monitoring, while the 768-byte RAM places a clear limit on buffering and application complexity. The 32-LQFP package is convenient for automated assembly, but industrial temperature, EMC, isolation, and regulatory requirements must be validated separately.
Recommended
Motor and PWM control
The S9S08AW8AE0MLC can serve as the supervisory controller for small motors, valves, relays, or power-stage sequencing because the verified feature list includes PWM and a watchdog timer. The 40 MHz maximum clock can support responsive control software, while SCI can provide host communication and I²C can connect sensors or H-bridge control devices. The MCU does not replace a dedicated power MOSFET driver; its role is supervisory, with external drivers and protection components handling current and voltage isolation. Validate PWM resolution, timer clocking, pin multiplexing, and protection behavior against the exact datasheet because those details are not supplied here.
Recommended
Serial communications gateway
The S9S08AW8AE0MLC is a candidate for a small embedded communications node because SCI and SPI can connect host processors, sensors, transceivers, or storage devices. Its 8-bit architecture is appropriate for protocol framing, command handling, and supervisory control, while the 40 MHz clock allows interrupt-driven service across multiple interfaces. The 8 KB Flash limit means complex protocol stacks and large buffering may not fit, and 768 bytes of RAM must be carefully budgeted. A gateway design should also include external level shifting or protection when its interfaces leave the device supply range.
Recommended
Embedded instrumentation module
The S9S08AW8AE0MLC can support a compact instrumentation module that acquires sensor data, applies control or calibration logic, and reports results through a serial link. The verified PWM output may drive indicators or excitation signals, while I²C and SPI expand the number of connected devices without requiring a large external bus controller. The 40 MHz S08 core is useful for deterministic sampling and filtering, but the 8 KB Flash and 768-byte RAM constrain application size. For laboratory or field equipment, add precision analog front-end circuitry, protection, calibration storage, and a suitable communication transceiver according to the measurement specification.
Recommended
Low-cost consumer accessory controller
The S9S08AW8AE0MLC is well suited to simple accessory controllers where a small MCU must coordinate buttons, indicators, relays, sensors, and a serial host interface. Its low-cost 8-bit S08 positioning and integrated communication peripherals can simplify a design compared with a larger processor, while the 32-LQFP package supports conventional surface-mount assembly. The available Flash and RAM are sufficient for firmware-light functions but not for extensive connectivity stacks or graphical interfaces. Developers should confirm supply voltage, pin multiplexing, watchdog behavior, and whether the automotive-qualified temperature range is necessary or excessive for the target consumer product.
Recommended
Recommended Products Summary
Engineering reference data for S9S08AW8AE0MLC — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S08AC8CFJE | MC9S08AC8MFJE | MC9S08AW32MFGE | MC9S08AW32VFGE | MC9S08AW60E5MFGE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor |
| Package | 32-LQFP (7x7) | 32-LQFP (7x7) | 32-LQFP (7x7) | 32-LQFP (7x7) | 32-LQFP (7x7) | 32-LQFP (7x7) |
| Core Architecture | HCS08 S08 CISC 8-bit | S08 8-bit | S08 8-bit | S9S08AW family, 8-bit | S9S08AW family, 8-bit | S9S08AW family, 8-bit |
Key Differentiators
- Automotive-qualified positioning (vs MC9S08AC8CFJE)
- 40 MHz listed clock rating (vs MC9S08AC8MFJE)
- Integrated communication and control peripherals (vs MC9S08AW32MFGE)
- Compact 32-LQFP implementation (vs MC9S08AW32VFGE)
Design Notes
Do not treat the 8 KB Flash and 768-byte RAM figures as unlimited firmware resources. Include bootloader space, stack depth, serial buffers, interrupt handlers, diagnostics, and application constants in the memory budget. Because the supplied data does not include the complete linker map or memory-map details, confirm the exact S9S08AW8AE0MLC memory organization and reserved regions in the manufacturer documentation before fixing the toolchain configuration.
Use the official 32-LQFP footprint and verify pin 1 orientation, exposed-pad requirements, solder-mask clearance, and assembly tolerances against the NXP package drawing. Place decoupling capacitors close to the appropriate supply pins, route high-current and switching-node connections away from sensitive serial and sensor traces, and provide a solid ground reference. The verified data identifies a 32-LQFP 7 mm x 7 mm package but does not provide a pin-level land pattern, so fabrication artwork must not rely on distributor summaries.
Validate the device against the actual 3.3 V or 5 V system rail, including tolerance, startup, brownout behavior, and peripheral current. The sources give both a 3.3 V/5 V description and a 2.7 V to 5.5 V range; these should not be treated as interchangeable without checking the exact device grade and datasheet limits. Add local bulk and bypass capacitance, maintain required voltage headroom, and confirm reset and power-on-reset behavior in the system power tree.
The supplied data does not provide a package thermal-resistance value, so thermal analysis cannot be quantified here. Estimate junction temperature only after obtaining the manufacturer power dissipation and thermal-resistance data, then account for actual ambient temperature, PCB copper, enclosure temperature, and neighboring heat sources. For automotive or industrial deployments, evaluate the full -40°C to +125°C environmental range rather than relying on a typical 25°C laboratory result.
Because the product page identifies the S9S08AW8AE0MLC as End of Life, check the PCN, approved replacement, last-time-buy status, and authorized sourcing before committing a new design. Do not rely on a distributor search result alone to establish lifecycle or availability. Record the exact manufacturer, date code, traceability, and qualification documentation required by the end application.
Compliance Information
The verified DigiChip result states RoHS compliant, and the target is identified as automotive qualified. No verified REACH, lead-free, halogen-free, or conflict-minerals statement was supplied.
