MC9S08DZ32AMLH - 8-bit S08 MCU 32KB Flash CAN 40MHz | NXP
MPN: MC9S08DZ32AMLH ✗ End of Life| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MC9S08DZ32AMLH Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, data RAM, and peripherals on one die. Within the embedded systems hierarchy, the MC9S08DZ32 sits under the broader categories of microcontroller unit (MCU), embedded processor, and semiconductor integrated circuit. The HCS08 core executes the HC08 instruction set with an added BGND background-debug instruction, supporting up to 32 interrupt and reset sources and on-chip emulation/debug, which eliminates the need for expensive in-circuit emulators during development.
Key features include 12-bit, 24-channel ADC with 2.5 us conversion time, an embedded MSCAN module for in-vehicle networking, embedded EEPROM for calibration data storage, and the background debug interface (single-wire BGND) for low-cost flash programming. The 32KB Flash supports reprogramming in-system, and the S08DZ family spans 16KB to 60KB flash density options in the same pin-compatible footprints, giving designers a migration path.
Typical applications include automotive body modules, CAN-based gateways and sensor nodes, industrial control panels, HVAC and appliance controllers, and motor-control supervisory units where a low-cost 8-bit core with CAN and 12-bit analog conversion is sufficient. The 5V-tolerant operating range simplifies interfacing with legacy automotive sensor rails.
A key design consideration: this specific orderable part, MC9S08DZ32AMLH, is classified NRND (Not Recommended for New Designs) on the official NXP product page. For new designs, evaluate the pin-compatible family members listed in the alternatives section or newer NXP S08P/S12 portfolios; for existing production, verify lifetime-buy windows via NXP product change notices.
This page synthesizes distributor listings, cross-reference comparisons, family migration options, and practical design notes not found in the manufacturer datasheet, including drop-in alternatives within the same 64-LQFP S08DZ family and honest lifecycle guidance.
Drop-in alternatives for MC9S08DZ32AMLH — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MC9S08DZ32AMLH (same form factor and footprint) — differing in Package, Core Processor, RAM Size, Program Memory Size, Instruction Set.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S08DZ32ACLH
✅ Drop-In✓ In Stock
$5.32 / Unit
View Datasheet →MC9S08DZ48MLH
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MC9S08DZ60MLH
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MC9S08DZ16MLH
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MC9S08DZ32MLH
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MC9S08DZ32AMLH Maximum Ratings & Electrical Characteristics
| Core Processor | HCS08 (S08 core) |
| Core Size | 8-Bit |
| Instruction Set | HC08 with added BGND instruction (CISC) |
| Maximum CPU Frequency | 40 MHz |
| Bus Frequency | 20 MHz |
| Program Memory Size | 32KB (32K x 8) FLASH |
| Supply Voltage | 3.3V / 5V |
| ADC Resolution | 12 bit |
| ADC Channels | 24-channel |
| ADC Conversion Time | 2.5 us |
| CAN Module | Yes (embedded CAN, MSCAN) |
| EEPROM | Embedded EEPROM |
| Interrupt/Reset Sources | Up to 32 |
| Debug Interface | On-chip emulation/debug (background debug, BGND) |
| Package | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| Series | S08DZ (S08 Family, S08D Series) |
| Product Category | Microcontrollers (MCU) |
| Lifecycle Status | NRND (Not Recommended for New Designs) |
MC9S08DZ32AMLH 64-lqfp (10x10 mm) Pin Configuration Guide
Pin configuration for MC9S08DZ32AMLH (64-lqfp (10x10 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MC9S08DZ32AMLH.
Refer to the datasheet for full pin configuration.
Typical Applications
MC9S08DZ32AMLH is suitable for 6 applications: Automotive Body Control Modules, Industrial CAN Sensor Nodes, HVAC and Appliance Controllers, CAN Gateways and Protocol Bridges, Motor Control Supervisory Units, Legacy Design Sustainment and Last-Time-Buy.
Automotive Body Control Modules
The MC9S08DZ32AMLH fits automotive body electronics such as door modules, seat controllers, and lighting control units because it combines an embedded MSCAN module, 5V operation, and a 24-channel 12-bit ADC on one 8-bit die. The MSCAN block implements CAN 2.0 A/B for in-vehicle networking, allowing the MCU to act as a low-cost LIN/CAN hybrid node without an external CAN controller. The 2.5 us ADC conversion time digitizes switch and sensor inputs quickly enough for debouncing and diagnostic sampling across 24 channels. NXP designed the S08DZ family specifically for these automotive and industrial markets. In a body module, the 32KB Flash stores application plus diagnostic code while embedded EEPROM retains configuration and fault data across power cycles, removing an external serial EEPROM from the bill of materials.
Recommended
Industrial CAN Sensor Nodes
In factory automation, distributed sensor and actuator nodes benefit from the MC9S08DZ32AMLH's integrated CAN and analog front end. The MCU's 12-bit, 24-channel ADC digitizes transducer outputs such as pressure, temperature, and position signals with 2.5 us conversions, while the MSCAN module streams measurements onto a plant-wide CAN bus. Running at 40 MHz CPU / 20 MHz bus, the HCS08 core has headroom for simple filtering, linearization, and protocol handling at 125 kbps or 500 kbps bus rates. The 3.3V/5V supply flexibility lets the node match either legacy 5V sensor rails or modern 3.3V logic domains. Because the S08DZ family spans 16KB to 60KB Flash in identical 64-LQFP footprints, a common PCB can be populated with the DZ32 or the DZ60 depending on each node's firmware size, simplifying inventory.
Recommended
HVAC and Appliance Controllers
White-goods and HVAC boards need low-cost control with robust analog sensing, which the MC9S08DZ32AMLH provides with its 12-bit ADC, embedded EEPROM, and background-debug programmable Flash. The 24-channel ADC reads NTC thermistors, potentiometer setpoints, and AC-line voltage dividers; embedded EEPROM stores user settings and cycle counters that must survive power loss without external memory. The 40 MHz HCS08 core handles button scanning, relay sequencing, and simple PID loops for fan or compressor control at 5V, where noise immunity on long PCB traces is better than 3.3V designs. On-chip debug via the BGND single-wire interface lets production lines flash firmware and run end-of-line tests with a low-cost probe. The 64-LQFP (10x10 mm) footprint supplies enough I/O for displays, keys, and load outputs on a single controller.
Recommended
CAN Gateways and Protocol Bridges
Low-complexity gateways mapping between CAN and simpler interfaces (LIN-style UART links, RS-485, or discrete I/O) are a natural fit for the MC9S08DZ32AMLH. Its MSCAN module handles one CAN segment while SCI serial ports and general I/O implement the second interface; the 20 MHz bus provides sufficient throughput for message filtering, ID translation, and rate adaptation between a 500 kbps vehicle bus and slower utility links. The 32KB Flash accommodates a message-routing table plus diagnostics, and embedded EEPROM preserves gateway configuration and learned IDs across reboots. 5V-tolerant operation simplifies level compatibility with industrial transceivers. Because the part is NRND, use it for sustaining existing gateway designs and plan migration to the pin-compatible MC9S08DZ60MLH (60KB Flash) if routing tables grow.
Recommended
Motor Control Supervisory Units
As a supervisory controller alongside a discrete driver stage, the MC9S08DZ32AMLH manages DC and small BLDC motor systems: the 12-bit ADC samples current shunts and back-EMF signals with 2.5 us conversions, timers generate PWM for the power stage, and the HCS08 core executes commutation and protection logic at 40 MHz. Over-current thresholds are enforced in firmware with fast ADC polling, while embedded EEPROM stores calibration constants such as current-sensor gain and thermal limits per unit. CAN connectivity integrates the drive into larger machine networks for start/stop commands and fault reporting. The 5V operating range gives the ADC a wide input span on shunt amplifiers, improving current-measurement resolution. Use the 64-LQFP's ample GPIO for gate-enable, brake, and limit-switch signals on one controller.
Recommended
Legacy Design Sustainment and Last-Time-Buy
A primary real-world use of MC9S08DZ32AMLH today is sustaining existing automotive and industrial products already designed around the S08DZ family. Because NXP classifies the part NRND, procurement teams use this exact MPN for last-time-buy planning: they forecast remaining production volume, place buffer stock through authorized distributors and Rochester Electronics, and qualify the pin-compatible MC9S08DZ48MLH or MC9S08DZ60MLH as the board-drop migration path since the shared family datasheet guarantees identical 64-LQFP pinout across densities. Firmware porting effort is minimal because the die family, peripherals, and memory map are common; only linker address ranges change. This application underscores why every unit should be purchased with a documented PCN-watch and incoming-inspection process for a mature 8-bit device.
Recommended
Recommended Products Summary
Engineering reference data for MC9S08DZ32AMLH — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S08DZ32ACLH | MC9S08DZ48MLH | MC9S08DZ60MLH | MC9S08DZ16MLH |
|---|---|---|---|---|---|
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Program Flash | 32KB | 32KB | 48KB | 60KB | 16KB |
| Core / Max Frequency | HCS08 8-bit, 40 MHz | HCS08 8-bit, 40 MHz | HCS08 8-bit, 40 MHz | HCS08 8-bit, 40 MHz | HCS08 8-bit, 40 MHz |
| Supply Voltage | 3.3V / 5V | 3.3V / 5V | 3.3V / 5V | 3.3V / 5V | 3.3V / 5V |
| ADC | 12-bit, 24-channel, 2.5 us | 12-bit, 24-channel, 2.5 us | 12-bit, 24-channel, 2.5 us | 12-bit, 24-channel, 2.5 us | 12-bit, 24-channel, 2.5 us |
| Embedded CAN | Yes (MSCAN) | Yes (MSCAN) | Yes (MSCAN) | Yes (MSCAN) | Yes (MSCAN) |
Key Differentiators
- Embedded CAN on an 8-bit core (vs MC9S08JM60CLD (S08JM series))
- Embedded EEPROM for calibration data (vs MC9S08DZ32ACLH (grade variant))
- In-family flash migration without respin (vs MC9S08DZ60MLH)
Design Notes
MC9S08DZ32AMLH is NRND per the official NXP product page. Before committing any new PCB spin to this MPN, check NXP's Product Change Notice archive for last-time-buy announcements and qualify MC9S08DZ48MLH or MC9S08DZ60MLH as second-source footprints - they share the same die family and 64-LQFP pinout, so a dual-marked assembly plan costs almost nothing to adopt. Ordering legacy stock through Rochester Electronics is a recognized path for mature NXP devices.
The device supports 3.3V and 5V operation, but flash programming/erase margins and ADC accuracy depend on supply per the family datasheet electrical characteristics. Decouple VDD/VDDA with 0.1 uF ceramics placed within a few millimeters of each supply pin, and add 4.7-10 uF bulk capacitance near the regulator. If a switching regulator feeds the 5V rail, filter VDDA separately since the 12-bit ADC reference noise directly shifts conversion codes across the 24 input channels.
Route the CAN bus (TXD/RXD to the MSCAN transceiver) as short as practical and keep the transceiver's CTX/RX loop away from the ADC analog front end. The single-wire background debug pin (active immediately after reset with internal pull-up per the family datasheet) should be brought to a 2x2 or 1x4 programming header on every production board - losing debug access on a sealed automotive module makes field reprogramming nearly impossible.
The BGND debug pin doubles as a mode-select input after reset with hysteresis and an internal pull-up (per the family datasheet). Avoid slow RC rise times on this net in noisy environments - a floating or slowly ramping pin can cause unintended debug-mode entry at power-up. Add a defined pull-up/pull-down network sized for the desired reset mode if the header is disconnected in operation.
Compliance Information
Verified web data references an Environmental Quality section on the NXP product page but does not state explicit RoHS/REACH/AEC-Q100 status for this exact ordering code. Consult the NXP MC9S08DZ32AMLH product page Environmental Quality tab for certified compliance data.