NXP Semiconductors MC9S08DZ128MLH

Overview

MC9S08DZ128MLH from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller with 128 KB Flash, 8 KB RAM, and integrated CAN 2.0A/B controller, ADC, TPM, SCI, SPI, I²C, and RTC - designed for automotive body electronics and industrial control requiring robust real-time operation at up to 20 MHz bus frequency.

For engineers reviewing the MC9S08DZ128MLH datasheet, MC9S08DZ128MLH pinout, MC9S08DZ128MLH application, or MC9S08DZ128MLH equivalent, key selection considerations include its 100-pin LQFP package, on-chip MSCAN module with five receive buffers and programmable identifier filters, 24-channel 12-bit ADC with temperature sensor, and dual low-power stop modes with real-time interrupt capability.

Technical Context

The MC9S08DZ128MLH implements the HCS08 CPU core with 40-MHz instruction execution (20-MHz bus), supporting up to 32 interrupt/reset sources and featuring a Multi-Purpose Clock Generator (MCG) with FLL and PLL modes, trimmable internal reference (±1.5% over temperature), and external crystal support from 31.25 kHz to 16 MHz.

Its peripheral set includes two SCIs compliant with LIN 2.0 and SAE J2602, two I²C modules (100 kbps), up to three TPM modules (6+2+4 channels), a 24-channel 12-bit ADC with 2.5 µs conversion time and internal bandgap reference (1.18–1.21 V), and a dedicated MSCAN controller with FIFO-based receive buffering and flexible filter configuration (2×32-bit, 4×16-bit, or 8×8-bit).

Key Specifications

Pinout & Package

MC9S08DZ128MLH is housed in a 100-pin LQFP package (14 × 14 mm, 0.5 mm pitch), with dedicated pins for CANH/CANL, XTAL/EXTAL, RESET, BKGD/MS, VDD/VSS rails, and multiplexed peripheral functions across Ports A–L.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S08DZ128MLH, S9S08DZ128F2MLH offers improved robustness for automotive deployment, while MC9S08DZ60MLH trades CAN and memory capacity for lower unit cost - enabling tiered product variants from a common platform.

Availability

MC9S08DZ128MLH is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control panels, and engine bay junction boxes requiring stable component supply and long-term lifecycle support.

Supply support for MC9S08DZ128MLH 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 deep heritage in microcontrollers originating from Freescale's HCS08 portfolio.

The MC9S08DZ128MLH belongs to the DZ-series automotive-qualified HCS08 microcontrollers, engineered specifically for body electronics and chassis control applications demanding CAN integration, mixed-signal capability, and extended temperature operation.

FAQ

What is the maximum operating temperature range for the MC9S08DZ128MLH?

The MC9S08DZ128MLH is qualified for operation from −40 °C to +125 °C ambient temperature, meeting automotive Grade 2 requirements. This specification is validated per AEC-Q100 stress test standards and applies to all core functions, peripherals including MSCAN and ADC, and memory retention - making MC9S08DZ128MLH suitable for under-hood and body-control applications where thermal resilience is critical.

Does the MC9S08DZ128MLH include a hardware CAN controller?

Yes, the MC9S08DZ128MLH integrates a fully compliant MSCAN module supporting CAN 2.0A and 2.0B protocols, with five receive buffers organized in FIFO structure, programmable identifier acceptance filters (configurable as 2×32-bit, 4×16-bit, or 8×8-bit), and automatic message handling - eliminating the need for external CAN protocol controllers when used with a physical transceiver.

What debugging interface does the MC9S08DZ128MLH support?

The MC9S08DZ128MLH features a single-wire background debug (BDM) interface on the BKGD/MS pin, enabling full in-circuit emulation, real-time bus capture, flash programming, and breakpoint debugging without requiring additional debug pins - simplifying PCB layout and reducing system cost compared to multi-pin JTAG solutions.

Can the MC9S08DZ128MLH operate from an external 8 MHz crystal?

Yes, the MC9S08DZ128MLH supports external crystals from 1 MHz to 16 MHz in high-range mode (RANGE = 1), including 8 MHz. When configured in PEE mode, the MCG uses the crystal with RDIV and VDIV settings to generate a 32 MHz DCO output, yielding a 16 MHz bus clock - as confirmed in Example #1 of the data sheet addendum (Rev. 2, p.189).

How much EEPROM memory is integrated into the MC9S08DZ128MLH?

The MC9S08DZ128MLH includes 2 KB of on-chip EEPROM memory, organized in 8-byte single-page or 4-byte dual-page erase sectors. It supports program and erase operations while executing code from Flash, and includes erase abort functionality - enabling reliable data logging and parameter storage in automotive and industrial applications where power interruption may occur.