S9S08AW32E7VFGE - 8-bit S08 MCU, 32KB Flash, 40MHz | NXP
MPN: S9S08AW32E7VFGE ✗ 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 |
S9S08AW32E7VFGE Overview
An 8-bit MCU is a microcontroller whose CPU processes data in 8-bit words, combining processor core, program memory (Flash), RAM, and peripherals such as timers, serial interfaces (SCI, SPI, IIC), and ADC on a single chip. Within the product hierarchy, the S08 core sits inside the HCS08 8-bit MCU family, which belongs to the broader microcontroller and embedded processor category of semiconductors.
Key features include the low-cost, high-performance HCS08 architecture shared with the MC9S08AW60, MC9S08AW48, MC9S08AW32, and MC9S08AW16 family members; 32 KB (32K x 8) of on-chip Flash memory; a 40 MHz maximum core/bus clock; and automotive qualification supporting under-hood-adjacent temperature environments from -40C to +105C. The 44-LQFP package with gull-wing terminals provides a square 10x10 mm footprint suitable for surface-mount assembly.
Technically, all AW-family MCUs use the enhanced S08 core with a variety of module sets, memory sizes, and package options, allowing designers to scale Flash from 16 KB to 60 KB within the same architecture. This makes firmware porting straightforward when moving between memory density points in the family.
Typical applications include automotive body electronics, window/door modules, HVAC control, industrial control systems, and consumer appliances where a cost-sensitive 8-bit controller with automotive screening is required.
A key design consideration: this part is listed as End of Life (EOL) by NXP, so new designs should verify remaining distributor stock or plan a family migration path.
This page synthesizes distributor availability data, lifecycle status, and drop-in alternatives from the same S08AW family - information not consolidated in the manufacturer datasheet.
Drop-in alternatives for S9S08AW32E7VFGE — 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 S9S08AW32E7VFGE (same form factor and footprint) — differing in Package, Debug Interface, Core, Flash Memory, Lifecycle Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S08AW32CFGE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.86 / Unit
View Datasheet →MC9S08AW16CFGE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →MC9S08AW48CFGE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.05 / Unit
View Datasheet →MC9S08AW60CFGE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →MC9S08AW32CFUE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$7.18 / Unit
View Datasheet →S9S08AW32E7VFGE Maximum Ratings & Electrical Characteristics
| Core | S08 (HCS08), 8-bit |
| Core Size | 8-bit |
| Maximum Clock Frequency | 40 MHz |
| Program Memory Size | 32 KB (32K x 8) FLASH |
| Program Memory Type | FLASH |
| Supply Voltage | 3 V |
| Operating Temperature Range | -40C to +105C |
| Qualification | Automotive Qualified |
| Package Type | 44-LQFP (10x10 mm) |
| Number of Terminals | 44 |
| Terminal Form | Gull Wing |
| Mounting Type | Surface Mount |
| Package Shape | Square |
| PWM Channels | Yes |
| Product Family | MC9S08AW (HCS08 family) |
| Lifecycle Status | End of Life (per NXP) |
S9S08AW32E7VFGE square Pin Configuration Guide
Pin configuration for S9S08AW32E7VFGE (square 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 S9S08AW32E7VFGE.
Refer to the datasheet for full pin configuration.
Typical Applications
S9S08AW32E7VFGE is suitable for 6 applications: Automotive Body Electronics, HVAC Control Modules, Industrial Control Systems, Home Appliances, Lighting Control, Sensor Hubs and Monitoring Nodes.
Automotive Body Electronics
The S9S08AW32E7VFGE fits automotive body modules such as door, window-lift, mirror, and seat controllers, where NXP explicitly positions the MC9S08AW family for both industrial and automotive markets. Its -40C to +105C automotive qualification covers cabin and under-hood-adjacent environments, while 32 KB Flash at 40 MHz provides sufficient code space for LIN-style communication handling, switch debouncing, and PWM motor drive. Deployed between the 12 V automotive rail (with a 5 V or 3 V regulator) and relay/H-bridge drivers, the MCU leverages on-chip PWM channels for lamp dimming and motor speed control without external timer ICs, reducing BOM cost in high-volume body-electronics programs.
Recommended
HVAC Control Modules
In automotive and industrial HVAC blowers and climate controllers, the S9S08AW32E7VFGE supplies the control loop: its 40 MHz S08 core executes PID blower-speed regulation while 32 KB Flash stores calibration tables and fault-diagnostic routines. The -40C to +105C rating withstands engine-bay-adjacent mounting, and the 44-LQFP gull-wing package reflows reliably on standard automotive SMT lines. PWM outputs drive blower motor stages and blend-door servos directly, while the ADC reads temperature sensors (NTC thermistors) for closed-loop control. Because the AW family scales from 16 KB to 60 KB in the same footprint, HVAC platforms can share one PCB across trim levels, populating the AW32 where mid-range firmware complexity requires 32 KB.
Recommended
Industrial Control Systems
For factory automation nodes - conveyor counters, valve controllers, small pump sequencers - the S9S08AW32E7VFGE offers a deterministic 8-bit core with 40 MHz execution speed and generous 32 KB Flash for protocol handling and state machines. The industrial-relevant -40C to +105C range exceeds standard commercial ratings, giving margin in hot panels, and the 3 V supply simplifies interfacing with modern 3.3 V logic, sensors, and RS-485 transceivers. On-chip SCI/SPI/IIC serial modules connect the MCU to displays, EEPROM, and field buses with no external interface glue. Its low-cost HCS08 architecture keeps per-node BOM cost low across fleets of distributed I/O points, a primary reason NXP targets the industrial market with this family.
Recommended
Home Appliances
Washers, dishwashers, cooktops, and small appliances use the S9S08AW32E7VFGE-class MCU as the main control element: 32 KB Flash holds wash-cycle state machines, button/keypad scanning, and safety interlock logic, while the 40 MHz S08 core leaves timing margin for simultaneous encoder counting and triac phase-angle control. The wide -40C to +105C temperature rating tolerates steam and compressor-heated compartments, and the 44-LQFP 10x10 mm footprint fits compact single-sided control boards typical of appliance economics. On-chip PWM and ADC reduce external component count; the family's memory scaling (16/32/48/60 KB, same pins) lets appliance makers derivative-design premium models by swapping to the AW48/AW60 without PCB redesign.
Recommended
Lighting Control
Automotive interior lighting, lamp modules, and industrial LED fixtures benefit from the S9S08AW32E7VFGE's PWM channels and 40 MHz core for dimming and color sequencing. The 32 KB Flash stores brightness curves, fault detection, and LIN/UART command handling, while the automotive -40C to +105C grade permits mounting near lamp housings where ambient temperatures rise. Driving MOSFET gate drivers from PWM outputs enables high-efficiency LED strings; the ADC monitors current sense resistors for open/short diagnostics required in automotive lighting (e.g., bulb-outage detection). The low-cost HCS08 platform keeps per-channel controller cost minimal in multi-lamp architectures such as ambient interior light strips with dozens of addressable zones.
Recommended
Sensor Hubs and Monitoring Nodes
Distributed monitoring nodes - pressure, level, and temperature sensing in vehicles and factories - use the S9S08AW32E7VFGE as a local hub: its ADC digitizes sensor inputs, the 40 MHz S08 core applies filtering and threshold logic, and serial interfaces forward data to a master ECU. The 32 KB Flash supports self-calibration tables and linearization routines; the -40C to +105C automotive qualification and 3 V supply allow direct battery-backed or regulated-rail operation. The 44-LQFP square package with gull-wing terminals suits dense multi-node PCBs. Because it is a drop-in member of a 16-60 KB scalable family, sensor platforms can add features over product generations by migrating Flash density on an identical footprint.
Recommended
Recommended Products Summary
Engineering reference data for S9S08AW32E7VFGE — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S08AW32CFGE | MC9S08AW16CFGE | MC9S08AW48CFGE | MC9S08AW60CFGE |
|---|---|---|---|---|---|
| Package | 44-LQFP (10x10 mm) | 44-LQFP (10x10 mm) - same | 44-LQFP (10x10 mm) - same | 44-LQFP (10x10 mm) - same | 44-LQFP (10x10 mm) - same |
| Brand | 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 |
| Maximum Clock Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Flash Memory | 32 KB | 32 KB | 16 KB | 48 KB | 60 KB |
| Supply Voltage | 3 V | 3 V | 3 V | 3 V | 3 V |
Key Differentiators
- Automotive qualification and -40C to +105C range (vs MC9S08AW32CFGE)
- 32 KB Flash mid-point of a pin-compatible family (vs MC9S08AW16CFGE)
- Cost-optimized density point vs maximum memory (vs MC9S08AW60CFGE)
Design Notes
The S9S08AW32E7VFGE is End of Life per the NXP product page, which also publishes discontinuance and replacement product change notices. Before committing any new PCB revision, download the applicable PCN from nxp.com and confirm remaining distributor lifetime (Mouser, DigiKey, Hotenda; Octopart tracks 3 distributors). Build a last-time-buy covering your field-failure and service-life forecast, and pre-qualify an MC9S08AW family variant in the same 44-QFP footprint as the migration path so firmware changes are limited to linker memory maps.
The 44-LQFP (10x10 mm) gull-wing package requires a standard QFP-44 land pattern per the footprint in the MC9S08AW family datasheet; follow the datasheet's recommended pad dimensions rather than proportional scaling, since gull-wing lead coplanarity drives solder-joint reliability in automotive reflow profiles. Decouple VDD with a 0.1 uF ceramic capacitor placed within 5 mm of each supply pin pair, and keep the oscillator traces short and guarded for the 40 MHz bus clock. Note that family members sharing this footprint (AW16/32/48/60) allow one PCB to cover multiple memory SKUs.
The MCU operates from a 3 V-class supply, so in 12 V automotive systems use a qualified automotive regulator or system basis chip upstream. Estimated: at typical HCS08 run currents of a few mA at 40 MHz, a 5 V-to-3 V linear regulator dissipates well under 50 mW for the MCU alone, so thermal design is dominated by the load drivers, not the MCU. Verify exact current figures in the family datasheet electrical tables rather than this estimate, and enable the S08 low-power wait/stop modes to meet automotive key-off quiescent-current budgets.
Compliance Information
Automotive qualified per NXP product data. Environmental/quality detail is available from the NXP part page and the IPC-1752 XML compliance file linked there (freescale.com/mcds/S9S08AW32E7VFGE_IPC1752_v11.xml); specific RoHS/REACH status was not stated in the retrieved data.
