NXP Semiconductors MC9S08DZ32AMLH

Overview

MC9S08DZ32AMLH from NXP (formerly Freescale) is an 8-bit HCS08 microcontroller with 32 KB on-chip Flash, 4 KB RAM, and integrated CAN 2.0A/B controller, ADC, and real-time counter - designed for automotive body electronics and industrial control nodes requiring robust communication and low-power operation.

For engineers reviewing the MC9S08DZ32AMLH datasheet, MC9S08DZ32AMLH pinout, MC9S08DZ32AMLH application, or MC9S08DZ32AMLH equivalent, key selection criteria include CAN protocol compliance, 24-channel 12-bit ADC performance, single-wire background debug support, and LQFP-48 package compatibility with automotive temperature range (−40°C to 125°C).

Technical Context

The MC9S08DZ32AMLH implements the HCS08 CPU core running at up to 40 MHz (20 MHz bus), with a Multi-Purpose Clock Generator supporting FLL/PLL modes and factory-trimmed internal reference. Its MSCAN module supports standard/extended frames, five receive buffers with FIFO, and programmable identifier filters (2×32-bit, 4×16-bit, or 8×8-bit).

Peripherals include two SCIs compliant with LIN 2.0 and SAE J2602, a 6-channel + 2-channel TPM for PWM and capture, RTC with external crystal or 1 kHz internal oscillator, and dual analog comparators with bandgap reference option - all operating across full automotive voltage (2.7–5.5 V) and temperature ranges.

Key Specifications

Pinout & Package

MC9S08DZ32AMLH is housed in a 48-pin LQFP (7×7 mm) package with exposed thermal pad (MLP variant not applicable). Pin functions align with MC9S08DZ60 series mechanical drawings and electrical assignments per Rev. 4 datasheet, Chapter 2.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S08DZ32AMLH, S9S08DZ32F1MLH offers identical functionality with updated manufacturing mask, while MC9S08DZ48AMLH provides 16 KB additional Flash in the same footprint - both preserve CAN timing, ADC performance, and debug interface behavior for seamless integration.

Availability

MC9S08DZ32AMLH is available at Aetrix Electronics and suitable for automotive body electronics, industrial CAN networks, and smart sensor nodes requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualified silicon.

Supply support for MC9S08DZ32AMLH 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.

The MC9S08DZ32AMLH belongs to the HCS08 DZ family - engineered specifically for cost-sensitive, high-reliability automotive body control and industrial networking applications requiring integrated CAN, robust analog front-end, and extended temperature operation.

FAQ

What is the maximum operating frequency of the MC9S08DZ32AMLH CPU core?

The MC9S08DZ32AMLH CPU core operates at up to 40 MHz, with a corresponding 20 MHz bus clock. This frequency is achieved using the on-chip Multi-Purpose Clock Generator (MCG) in PLL or FLL mode, supported by either external crystal (1–16 MHz) or factory-trimmed internal reference. The MC9S08DZ32AMLH maintains this performance across its full −40°C to +125°C automotive temperature range.

Does the MC9S08DZ32AMLH support CAN FD or only classical CAN?

The MC9S08DZ32AMLH supports only Classical CAN (ISO 11898-1, CAN 2.0A/B) - not CAN FD. Its MSCAN module implements version 1.0 of Freescale's CAN controller, providing standard and extended frame support, five receive buffers with FIFO, and programmable identifier filtering. CAN FD requires higher bit rates and enhanced data length capability not present in the MC9S08DZ32AMLH hardware architecture.

What is the ADC resolution and channel count on the MC9S08DZ32AMLH?

The MC9S08DZ32AMLH integrates a 12-bit successive-approximation ADC with 24 input channels. Conversion time is 2.5 μs per sample, and it includes automatic compare, temperature sensor, and internal bandgap reference channel. All 24 channels are multiplexed onto GPIO pins and share the same analog power domain (VDDAD/VSSAD), as specified in the MC9S08DZ32AMLH datasheet Section 10.

Is the MC9S08DZ32AMLH pin-compatible with other devices in the DZ series?

Yes - the MC9S08DZ32AMLH in the 48-pin LQFP package is pin-compatible with MC9S08DZ48AMLH and MC9S08DZ16AMLH within the same package variant. Pin assignments, peripheral mappings, and power/ground connections match across these variants. However, it is not pin-compatible with the 64-pin or 32-pin LQFP versions of the DZ series due to differing pin counts and signal allocations.

What debug interface does the MC9S08DZ32AMLH provide, and what tools support it?

The MC9S08DZ32AMLH features a single-wire background debug mode (BDM) interface compliant with Freescale's BDM specification. It is supported by NXP's S08 Cyclone Pro, USB-ML-12, and compatible third-party debug probes. The interface enables full in-circuit emulation (ICE), real-time bus capture, flash programming, and breakpoint debugging - all using only the BKGD/MS pin and ground.