NXP Semiconductors MC9S08DN32AVLF

Overview

MC9S08DN32AVLF from NXP (formerly Freescale) is an 8-bit HCS08 microcontroller with 32 KB on-chip Flash, 2 KB RAM, and 2 KB EEPROM, featuring a 40-MHz CPU core (20-MHz bus), 12-bit ADC with temperature sensor, dual analog comparators, LIN-capable SCI, I²C, SPI, two TPM modules (6+2 channels), RTC, and real-time interrupt capability. It targets automotive body control, industrial sensor nodes, and low-power embedded systems requiring robust peripheral integration and in-circuit programmability.

For engineers reviewing the MC9S08DN32AVLF datasheet, MC9S08DN32AVLF pinout, MC9S08DN32AVLF application, or MC9S08DN32AVLF equivalent, key selection considerations include its 32-pin LQFP package, 32 KB Flash/2 KB RAM memory map, LIN 2.0–compliant SCI interface, 12-bit ADC conversion time of 2.5 µs, and support for two very low-power stop modes with RTC wake-up.

Technical Context

The MC9S08DN32AVLF implements the HCS08 CPU core with HC08 instruction set extension (including BGND), supporting up to 32 interrupt/reset sources and single-wire background debug. Its Multi-Purpose Clock Generator (MCG) provides FLL- and PLL-based clock synthesis with ±1.5% accuracy using internal temperature-compensated reference and factory-trimmed calibration stored in Flash.

Peripherals are tightly integrated: the 16-channel 12-bit ADC includes automatic compare, bandgap reference, and temperature sensor; dual ACMPs support edge-triggered interrupts and internal reference comparison; SCI1 supports LIN 2.0 and SAE J2602 protocols with master/slave break generation/detection; TPM1 (6-channel) and TPM2 (2-channel) offer input capture, output compare, and edge-aligned PWM with configurable prescalers.

Key Specifications

Pinout & Package

MC9S08DN32AVLF is housed in a 32-pin low-profile quad flat-pack (LQFP), 7×7 mm body, 0.8 mm pitch, RoHS-compliant package (JEDEC MS-026AC). Pin assignments are defined per Chapter 2 of the MC9S08DN60 Series Data Sheet Rev 3, covering all I/O, power, clock, reset, and debug signals.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S08DN32AVLF, MC9S08DN48AVLF offers 16 KB more Flash for complex control algorithms or safety-certified stacks, while S9S08DN32F1MLC delivers identical functionality with formal automotive qualification and extended manufacturing support - both retain the same 32-pin LQFP footprint and peripheral register mapping.

Availability

MC9S08DN32AVLF is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, smart lighting controls, and low-power remote monitoring systems requiring stable component supply, long-lifecycle sourcing, and consistent parametric performance.

Supply support for MC9S08DN32AVLF 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 applications, with roots in Freescale's microcontroller legacy.

The MC9S08DN32AVLF belongs to the HCS08 DN-series - designed specifically for cost-sensitive, low-power automotive and industrial control applications demanding integrated analog peripherals, LIN compliance, and robust flash endurance.

FAQ

What is the maximum operating frequency of the MC9S08DN32AVLF CPU core?

The MC9S08DN32AVLF features an HCS08 CPU core rated for up to 40 MHz operation, delivering a 20-MHz bus clock. This frequency is achievable across the full industrial temperature range (–40°C to +105°C) and supply voltage (2.7–5.5 V), enabling deterministic real-time execution for time-critical control loops without external clock multiplication.

Does the MC9S08DN32AVLF support LIN communication natively?

Yes, the MC9S08DN32AVLF includes SCI1 hardware that fully complies with LIN 2.0 and SAE J2602 specifications. It supports master and slave extended break generation/detection, wakeup on active edge, and non-return-to-zero (NRZ) framing - eliminating the need for external LIN transceivers in basic implementations when paired with a compliant physical layer driver.

How much EEPROM memory does the MC9S08DN32AVLF provide, and what are its erase characteristics?

The MC9S08DN32AVLF integrates 2 KB of on-chip EEPROM with 4-byte dual-page or 8-byte single-page erase sectors. Erase operations can be aborted mid-sequence, and both program and erase functions operate while executing Flash code - enabling reliable data logging and configuration storage without halting application execution.

What power-saving modes are available on the MC9S08DN32AVLF, and which support RTC wake-up?

The MC9S08DN32AVLF offers two very low-power stop modes (Stop2 and Stop3), a reduced-power wait mode, and a real-time interrupt capable of waking from run, wait, or stop states. Only Stop2 and Stop3 support RTC wake-up using the internal 1-kHz oscillator - allowing sub-microamp quiescent current while maintaining precise timing autonomy without external components.

Is the MC9S08DN32AVLF pin-compatible with other members of the DN-series, such as MC9S08DN48AVLF?

Yes, the MC9S08DN32AVLF in the 32-pin LQFP package shares identical pinout, electrical characteristics, and peripheral register mapping with MC9S08DN48AVLF and MC9S08DN16AVLF in the same package variant. This allows direct substitution within the same footprint when memory requirements change, provided software accommodates the differing Flash size.