NXP Semiconductors MC9S08AW60CFGER

Overview

MC9S08AW60CFGER 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. It integrates dual SCI, SPI, I²C, two 16-bit TPM modules (1×2-channel, 1×6-channel), 16-channel 10-bit ADC, KBI, and supports Wait/Stop2/Stop3 low-power modes. Used in industrial motor control subsystems requiring deterministic real-time response and on-chip debug.

For engineers reviewing the MC9S08AW60CFGER datasheet, MC9S08AW60CFGER pinout, MC9S08AW60CFGER application, or MC9S08AW60CFGER equivalent, key selection criteria include 48-pin QFN package compatibility, 20-MHz bus frequency timing constraints, COP watchdog configuration, FLASH security options, and background debug interface (BKGD/MS) signal routing.

Technical Context

The MC9S08AW60CFGER implements the S08CPUV2 core with HC08 instruction set extension including BGND, supporting single-wire background debug mode (BDM) and real-time in-circuit emulation with nine trigger modes and bus capture buffer. Its internal clock generator (S08ICGV4) supports FEE, FBE, FEI, and SCM modes with NVM-trimmed precision oscillator and external crystal/resonator input.

Peripherals are memory-mapped and synchronized to the 20-MHz internal bus clock. The dual SCI modules support 13-bit break detection; I²C operates up to 100 kbps under full bus loading; ADC includes automatic compare function and integrated temperature sensor; TPM modules support edge-aligned PWM, input capture, output compare, and buffered centered PWM (CPWM) on all channels.

Key Specifications

Pinout & Package

MC9S08AW60CFGER is housed in a 48-pin QFN package (98ASA00466D) with exposed thermal pad, copper wire bonding, and 0.5 mm pitch. Package dimensions: 7.0 × 7.0 × 0.85 mm (L × W × H), moisture sensitivity level (MSL) 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S08AW60CFGER, S9KEAZN64AMLH offers higher compute throughput and modern peripherals but requires ARM toolchain migration and PCB redesign, while MC9S08AC60CFGE sacrifices I/O flexibility and debug capability to fit a smaller footprint - neither matches the balanced feature set and QFN integration of the MC9S08AW60CFGER.

Availability

MC9S08AW60CFGER is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, building automation panels, and medical infusion pump controllers requiring stable component supply and long-term lifecycle support.

Supply support for MC9S08AW60CFGER 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 HCS08 family, including MC9S08AW60CFGER, was designed for cost-sensitive, real-time embedded control applications demanding robust debug, low-power operation, and mixed-signal integration - particularly in motor drives and industrial HMIs.

FAQ

What is the maximum operating frequency of the MC9S08AW60CFGER CPU core?

The MC9S08AW60CFGER CPU core runs at up to 40 MHz, while its internal bus operates at 20 MHz. This bus frequency governs peripheral timing, including ADC conversion time, TPM counter increments, and SCI baud rate generation. The actual achievable bus speed depends on the selected clock source and ICG configuration - for example, using a 4 MHz crystal in FEE mode yields a 20 MHz bus clock after FLL multiplication.

Does the MC9S08AW60CFGER support in-circuit debugging without additional hardware?

Yes, the MC9S08AW60CFGER supports single-wire background debug mode (BDM) via the BKGD/MS pin, requiring only a standard BDM pod (e.g., DEMO9S08AW60 evaluation board or compatible debugger). No JTAG header or external debug probe is needed - the interface uses the same pin for both debug entry and general-purpose I/O, with automatic mode detection on reset.

What are the power supply requirements for the analog section of the MC9S08AW60CFGER?

The MC9S08AW60CFGER requires dedicated analog supply connections: VDDAD (analog power) and VSSAD (analog ground), which must be decoupled separately from digital VDD/VSS using 100 nF ceramic capacitors. These pins supply the ADC, internal bandgap reference, and analog comparator - improper decoupling causes increased ADC noise and reduced effective resolution below 10 bits.

Can the MC9S08AW60CFGER generate center-aligned PWM waveforms on all timer channels?

Yes, both TPM modules in the MC9S08AW60CFGER support buffered centered PWM (CPWM) mode on all channels. This mode ensures symmetrical duty-cycle updates without phase jitter, critical for motor control applications. CPWM is configured per channel via TPMSC register bits and requires double-buffered MOD/MODH registers to avoid mid-cycle updates.

How does the FLASH security feature work on the MC9S08AW60CFGER?

The MC9S08AW60CFGER implements FLASH security through a dedicated security byte in the FLASH configuration area and programmable block protection bits in the FPROT register. When security is enabled, the entire FLASH becomes unreadable via BDM, and mass erase is disabled. Security can only be cleared by a complete chip erase - which also erases all user code - making it suitable for protecting intellectual property in production units.