NXP Semiconductors MC9S08DZ16AMLF

Overview

MC9S08DZ16AMLF from NXP (formerly Freescale) is an 8-bit HCS08 microcontroller with 16 KB on-chip Flash, 2 KB EEPROM, and 4 KB RAM, featuring a 40-MHz CPU core (20-MHz bus), integrated MSCAN v2.0A/B controller, 24-channel 12-bit ADC, and dual SCI/LIN interfaces - used in automotive body control modules requiring CAN-based sensor aggregation and low-power wake-on-event operation.

For engineers reviewing the MC9S08DZ16AMLF datasheet, MC9S08DZ16AMLF pinout, MC9S08DZ16AMLF application, or MC9S08DZ16AMLF equivalent, key selection criteria include verified CAN 2.0B compliance, factory-trimmed internal reference clock accuracy (±1.5% FLL deviation), real-time interrupt capability in Stop3 mode, and single-wire background debug interface support for production programming.

Technical Context

The MC9S08DZ16AMLF implements the HCS08 CPUV3 core with HC08 instruction set plus BGND, supporting up to 32 interrupt/reset sources and executing instructions at 20 MHz bus speed. Its Multi-Purpose Clock Generator (MCG) provides PLL and FLL modes with factory-trimmed internal reference clock and external crystal support from 1–16 MHz.

On-chip peripherals include a 24-channel 12-bit ADC with 2.5 μs conversion time and temperature sensor, two analog comparators with bandgap reference option, and Freescale's S08MSCANV1 module supporting standard/extended CAN frames, five receive buffers with FIFO, and programmable identifier filters (2×32-bit, 4×16-bit, or 8×8-bit).

Key Specifications

Pinout & Package

MC9S08DZ16AMLF is packaged in a 48-pin LQFP (7×7 mm, 0.5 mm pitch), with 53 general-purpose I/O pins and 1 input-only pin - pin-compatible with other MC9S08DZxx family members in same package variant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S08DZ16AMLF, S9S08DZ16F2MLF offers identical functionality with updated manufacturing calibration, while MC9S08DZ32AMLF provides scalable Flash headroom - both retain the same CAN timing behavior, ADC performance, and low-power stop-mode characteristics essential for automotive body electronics.

Availability

MC9S08DZ16AMLF is available at Aetrix Electronics and suitable for automotive body control units, industrial CAN gateways, smart battery monitors, and off-road telematics nodes requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for MC9S08DZ16AMLF 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 Freescale Semiconductor and Philips' semiconductor division, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The MC9S08DZ series was designed by Freescale (now NXP) specifically for cost-sensitive, safety-conscious automotive body electronics applications requiring integrated CAN, robust analog sensing, and ultra-low-power sleep modes.

FAQ

What is the maximum operating frequency of the MC9S08DZ16AMLF CPU core?

The MC9S08DZ16AMLF features an HCS08 CPUV3 core running at up to 40 MHz, with a 20-MHz bus clock derived via internal divider. This frequency is sustained across the full industrial temperature range (-40°C to 125°C) and supply voltage (2.7–5.5 V), enabling deterministic real-time execution for automotive control loops without overclocking or derating.

Does the MC9S08DZ16AMLF support CAN FD or only classical CAN?

The MC9S08DZ16AMLF implements the S08MSCANV1 module compliant with ISO 11898-1:2003, supporting only Classical CAN (CAN 2.0A/B) at up to 1 Mbps. It does not support CAN FD features such as flexible data-rate, extended data length, or CRC enhancements - confirmed by the Rev. 4 datasheet section 12 and register-level MSCAN specification.

How much EEPROM endurance does the MC9S08DZ16AMLF guarantee?

The MC9S08DZ16AMLF guarantees 100,000 write/erase cycles for its 2 KB on-chip EEPROM, with 8-byte single-page or 4-byte dual-page erase sectors. Endurance is specified under full operating voltage (2.7–5.5 V) and temperature (-40°C to 125°C), and wear leveling must be implemented in firmware since no hardware wear-leveling logic is present.

Can the MC9S08DZ16AMLF operate without an external crystal?

Yes, the MC9S08DZ16AMLF can operate using its internal reference clock (IRC) with factory-trimmed calibration stored in Flash, achieving ±1.5% FLL deviation over voltage and temperature. The MCG supports standalone IRC operation in FEI (Fast Internal) mode, eliminating need for external crystal in non-timing-critical applications like basic sensor polling or LIN slave control.

What debug interface does the MC9S08DZ16AMLF use, and is JTAG supported?

The MC9S08DZ16AMLF uses a single-wire background debug (BDM) interface on the BKGD/MS pin for programming, debugging, and real-time register inspection. JTAG is not supported - the device lacks TDI/TDO/TCK/TMS pins and associated boundary-scan logic, as confirmed by the pin assignment table (Section 2.1) and debug chapter (Chapter 17) of the Rev. 4 datasheet.