NXP Semiconductors S9S08DN32F2MLC

Overview

S9S08DN32F2MLC from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller with 32 KB on-chip Flash, 2 KB RAM, and 2 KB EEPROM, operating at up to 40 MHz CPU / 20 MHz bus frequency. It integrates ADC12 (12-bit, 16-channel), dual analog comparators, SCI with LIN 2.0 support, SPI, I²C, two TPM modules (6+2 channels), RTC, and real-time interrupt capability - deployed in automotive body control modules and industrial sensor nodes.

For engineers reviewing the S9S08DN32F2MLC datasheet, S9S08DN32F2MLC pinout, S9S08DN32F2MLC application, or S9S08DN32F2MLC equivalent, key selection criteria include Flash size (32 KB), EEPROM endurance (100K erase/write cycles), 53 GPIO with configurable slew rate and hysteresis, and LIN-compliant SCI for vehicle network integration.

Technical Context

The S9S08DN32F2MLC implements the HCS08 CPU core with HC08 instruction set plus BGND, supporting up to 32 interrupt/reset sources. Its Multi-Purpose Clock Generator (MCG) provides FLL- and PLL-based clock synthesis with internal reference trimming (factory-stored value in Flash) and external crystal support from 31.25 kHz to 16 MHz.

On-chip peripherals include a 12-bit ADC with 2.5 μs conversion time, temperature sensor, and bandgap reference channel; two analog comparators with edge-selectable interrupts; and SCI1 compliant with LIN 2.0 and SAE J2602 protocols - enabling wake-on-active-edge and master extended break generation for automotive diagnostics.

Key Specifications

Pinout & Package

Package: 48-pin LQFP (7×7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S9S08DN32F2MLC, MC9S08DN48F2MLC offers 50% more Flash for complex LIN gateway logic or OTA update staging, while S9S08DN16F2MLC reduces silicon cost by ~15% with no peripheral or timing trade-offs - both retain identical pinout, debug interface, and qualification status for automotive use.

Availability

S9S08DN32F2MLC is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, and smart lighting systems requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualified silicon.

Supply support for S9S08DN32F2MLC 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, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The S9S08DN32F2MLC belongs to the HCS08 DN-series microcontrollers designed specifically for cost-sensitive, low-power automotive sub-systems requiring LIN compliance, robust EMC performance, and extended temperature operation (–40°C to +125°C).

FAQ

What is the maximum operating frequency of the S9S08DN32F2MLC CPU core?

The S9S08DN32F2MLC CPU core operates at a maximum frequency of 40 MHz, with a corresponding bus clock of 20 MHz. This timing is achieved using the on-chip Multi-Purpose Clock Generator (MCG) in PLL or FLL mode. The MCG supports internal reference trimming and external crystal inputs from 31.25 kHz to 16 MHz, ensuring stable operation across automotive temperature ranges. All timing specifications for peripherals - including ADC conversion and SCI baud rate generation - are derived from this bus clock domain in the S9S08DN32F2MLC.

Does the S9S08DN32F2MLC support LIN 2.0 protocol natively?

Yes, the S9S08DN32F2MLC supports LIN 2.0 natively through its SCI1 module, which implements master extended break generation and slave extended break detection per SAE J2602. The SCI hardware handles LIN-specific timing requirements, including dominant and recessive level detection, sync field processing, and checksum validation. No external transceiver is required for basic LIN physical layer compliance, though a standard LIN transceiver (e.g., TJA1020) must be used for bus driving. This capability is documented in the S9S08DN32F2MLC datasheet Section 13.

How much EEPROM is integrated into the S9S08DN32F2MLC and what are its key endurance characteristics?

The S9S08DN32F2MLC integrates 2 KB of on-chip EEPROM with sector-based erase architecture: 8-byte single-page or 4-byte dual-page erase. It supports program and erase operations while executing Flash code, and includes erase abort functionality. Endurance is rated at 100,000 erase/write cycles per sector, with data retention exceeding 10 years at +85°C. The EEPROM is mapped into the memory space and accessed via dedicated registers (FCNFG, FCNFG2), enabling reliable storage of calibration data, configuration parameters, or odometer values in automotive applications using the S9S08DN32F2MLC.

What debug interface does the S9S08DN32F2MLC provide and how many pins does it require?

The S9S08DN32F2MLC provides a single-wire background debug (BDM) interface using the BKGD/MS pin, requiring only one dedicated signal plus ground. This interface supports full flash programming, real-time emulation, breakpoint insertion, and register inspection without halting system operation. It eliminates the need for multi-pin JTAG headers and is compatible with standard Freescale/NXP BDM debug tools such as the DEMO9S08DN60 evaluation board and P&E Micro Cyclone PRO. The BDM implementation is fully integrated into the S9S08DN32F2MLC silicon and requires no external components.

Is the S9S08DN32F2MLC qualified for automotive applications and what temperature range does it support?

Yes, the S9S08DN32F2MLC is AEC-Q100 qualified for automotive applications and operates across the extended temperature range of –40°C to +125°C. It meets automotive reliability standards including HTOL (High-Temperature Operating Life), ESD (HBM ≥2 kV), and latch-up immunity. The device is packaged in a Pb-free, RoHS-compliant 48-pin LQFP (7×7 mm) and features on-chip system protection mechanisms - including COP watchdog, low-voltage detect, illegal opcode/address detection, and Flash block protect - all validated for under-hood and cabin-mounted use cases in the S9S08DN32F2MLC.