NXP Semiconductors S9S08AW60E5MFUE

Overview

S9S08AW60E5MFUE from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller with 60 KB on-chip Flash, 2 KB RAM, and a 40-MHz CPU core operating at 20-MHz bus frequency. It integrates dual SCI, SPI, I²C, 16-channel 10-bit ADC, two 16-bit TPM modules (2+6 channels), KBI, and single-wire BDM debug interface. It targets cost-sensitive industrial control and sensor interface applications requiring robust in-circuit programmability and low-voltage operation.

For engineers reviewing the S9S08AW60E5MFUE datasheet, S9S08AW60E5MFUE pinout, S9S08AW60E5MFUE application, or S9S08AW60E5MFUE equivalent, key selection criteria include Flash block protection, COP watchdog configurability, LVD interrupt/reset behavior, and compatibility with 3.3 V or 5 V system rails - all confirmed in Rev 2 (Dec 2006) documentation.

Technical Context

The S9S08AW60E5MFUE implements the S08CPUV2 core with HC08 instruction set extension including BGND, supporting single-breakpoint in-circuit debugging via its single-wire background debug mode interface. Its internal clock generator (S08ICGV4) supports multiple modes - FEI, FEE, FBE - with NVM-trimmed internal reference and external crystal/resonator options up to 32 kHz or 4 MHz.

Peripherals are tightly coupled to the 20-MHz bus: the 16-bit TPM modules support edge-aligned and centered PWM with buffered outputs; the 10-bit ADC includes automatic compare and integrated temperature sensor; and dual SCI modules support 13-bit break detection for robust serial communication in noisy environments.

Key Specifications

Pinout & Package

Package: 64-pin LQFP (Low-Profile Quad Flat Package), 10 mm × 10 mm, 0.5 mm pitch - compatible with standard surface-mount assembly and reflow profiles.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit microcontroller applications.

Compared with MC9S08AW48E5MFUE and S9S08SG8E2MTJ, the S9S08AW60E5MFUE provides maximum Flash headroom for field-upgradable firmware and full peripheral concurrency - essential when integrating ADC-triggered PWM, serial bootloading, and secure BDM access in a single design.

Availability

S9S08AW60E5MFUE is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, human-machine interfaces, and power supply monitoring requiring stable component supply across extended product lifecycles.

Supply support for S9S08AW60E5MFUE 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, now specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The S9S08AW60E5MFUE belongs to the legacy HCS08 microcontroller family designed for cost-effective, low-power embedded control in industrial automation, appliance control, and sensor interface applications - emphasizing reliability, debuggability, and long-term supply stability.

FAQ

What is the maximum operating frequency of the S9S08AW60E5MFUE CPU core?

The S9S08AW60E5MFUE CPU core operates at up to 40 MHz, while its internal bus runs at 20 MHz. This architecture delivers deterministic instruction execution timing suitable for real-time control tasks. The bus frequency directly governs peripheral timing - for example, TPM counter increments and ADC conversion rates scale with this 20-MHz clock. All timing specifications in the Rev 2 datasheet assume this bus frequency.

Does the S9S08AW60E5MFUE support in-system programming via its BDM interface?

Yes, the S9S08AW60E5MFUE supports full in-system programming and debugging through its single-wire background debug mode (BDM) interface. Using the BKGD/MS pin and ground, developers can erase, program, and verify the 60 KB Flash memory, set breakpoints, and inspect registers without removing the device from the target board - a capability confirmed in Section 15 of the MC9S08AW60 Rev 2 datasheet.

What ADC features does the S9S08AW60E5MFUE provide beyond basic conversion?

The S9S08AW60E5MFUE includes a 16-channel, 10-bit ADC with automatic compare functionality, integrated temperature sensor, and configurable sample time. The auto-compare feature allows hardware-triggered interrupts when results exceed user-defined thresholds - eliminating polling overhead. Its dedicated VREFH/VREFL pins support external precision references, and the on-die temperature sensor feeds directly into ADC channel AN15 per Section 14 of the datasheet.

Can the S9S08AW60E5MFUE operate from a 3.3 V supply?

Yes, the S9S08AW60E5MFUE supports 2.7–5.5 V operation, making it fully compatible with 3.3 V systems. Its I/O pins are 5 V tolerant when configured as inputs, and internal regulators ensure stable core voltage across this range. Electrical characteristics for 3.3 V operation - including propagation delays, ADC accuracy, and current consumption - are specified in Appendix A of the Rev 2 datasheet.

Is the S9S08AW60E5MFUE pin-compatible with other AW-series MCUs like the MC9S08AW48?

Yes, the S9S08AW60E5MFUE in the 64-pin LQFP package shares identical pinout and electrical characteristics with the MC9S08AW48E5MFUE and MC9S08AW32E5MFUE. This allows hardware reuse across variants - only Flash size and certain security bits differ. Pin assignments, peripheral mappings, and register layouts are fully aligned, as documented in Chapter 2 ("Pins and Connections") of the MC9S08AW60 Rev 2 datasheet.