MC9S08DZ32CLH - 8-bit S08 MCU, 32KB Flash, CAN | NXP
MPN: MC9S08DZ32CLH ✗ 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 |
MC9S08DZ32CLH Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals on one die, sitting at the device level of the embedded-systems hierarchy beneath 16-bit and 32-bit MCUs and system-on-chip devices. The S08 family evolved from Freescale's (now NXP's) HC08 architecture, adding a background debug mode (BGND) instruction and up to 32 interrupt/reset sources for responsive real-time control.
Key features of the MC9S08DZ32 include a 24-channel, 12-bit ADC with 2.5 microsecond conversion time, CANbus, I2C, LINbus, SCI, and SPI connectivity, plus LVD (low-voltage detect), POR (power-on reset), PWM, and WDT (watchdog) peripherals. The dual 3.3V/5V supply capability simplifies mixed-voltage designs common in automotive body electronics and industrial nodes.
Architecturally, the device uses the S08 CISC core with the HC08 instruction set plus BGND, executing from 32K x 8 flash program memory. The embedded 1K x 8 EEPROM supports calibration data and parameter storage without external memory. The external oscillator type supports crystals and resonators for CAN/LIN timing accuracy.
Typical applications include automotive body control modules, LIN/CAN gateways, industrial sensor nodes, motor control, and home appliance control panels where a CAN-capable 8-bit MCU with rich analog reduces system cost.
Design consideration: verify flash and RAM sizing headroom before final selection, since the 2KB RAM can constrain complex protocol stacks; the pin-compatible higher-memory DZ48/DZ60 variants provide an upgrade path on the same 64-LQFP footprint.
This page synthesizes distributor inventory data, drop-in alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for MC9S08DZ32CLH — 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 MC9S08DZ32CLH (same form factor and footprint) — differing in Core Processor, Operating Temperature, Package, Supply Voltage, Connectivity.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
S9S08DZ32F1MLF
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$4.21 / Unit
View Datasheet →MC9S08DZ32AMLH
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Contact for price
View Datasheet →S9S08DZ48F1CLH
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$0.8 / Unit
View Datasheet →S9S08DZ60F1CLH
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$5.95 / Unit
View Datasheet →MC9S08DZ96CLH
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$6.21 / Unit
View Datasheet →S9S08LG32J0VLH
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$2.8369 / Unit
View Datasheet →MC9S08DZ32CLH Maximum Ratings & Electrical Characteristics
| Core Processor | S08 (HCS08) |
| Core Size | 8-Bit |
| CPU Speed | 40 MHz (20 MHz bus) |
| Instruction Set | HC08 with added BGND instruction |
| Interrupt/Reset Sources | Up to 32 |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 2K x 8 |
| EEPROM Size | 1K x 8 |
| Supply Voltage | 3.3 V / 5 V |
| Connectivity | CANbus, I2C, LINbus, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| ADC | 24-channel, 12-bit, 2.5 us conversion time |
| Number of I/O | 53 |
| Oscillator Type | External |
| Package / Case | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Temperature Grade | Industrial |
| Packaging | Tray |
| Part Status | Obsolete |
MC9S08DZ32CLH 64-lqfp (10x10 mm) Pin Configuration Guide
Pin configuration for MC9S08DZ32CLH (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 MC9S08DZ32CLH.
Refer to the datasheet for full pin configuration.
Typical Applications
MC9S08DZ32CLH is suitable for 6 applications: Automotive Body Control Modules, LIN/CAN Gateway and Sensor Nodes, Industrial Sensor and Control Nodes, Motor Control (Small DC/BLDC), Home Appliance Control Panels, Battery-Powered and Portable Instrumentation.
Automotive Body Control Modules
The MC9S08DZ32CLH fits automotive body electronics because it combines an on-chip CAN controller, LINbus, a 24-channel 12-bit ADC, and 53 I/O pins in one 8-bit device, covering lighting, wiper, door, and seat control nodes with minimal external components. The 1KB EEPROM stores calibration and fault data through power cycles, while LVD, POR, and watchdog peripherals protect against automotive supply transients. Typical designs run the CAN interface from a crystal-stabilized external oscillator for bit-timing accuracy, using the MCU at 3.3 V or 5 V to match transceiver logic levels. For new automotive programs, the same-footprint S9S08DZ32F1MLF should be selected since the MC-prefix part is obsolete.
Recommended
LIN/CAN Gateway and Sensor Nodes
Network nodes that bridge CAN backbone segments to low-cost LIN sub-nets are a natural fit for the S08DZ32: it natively speaks CANbus, LINbus, I2C, SCI, and SPI, so a single MC9S08DZ32CLH can translate traffic between domains without external protocol chips. The 40 MHz (20 MHz bus) S08 core handles framing and filtering for moderate bus loads, while the 2.5 us, 24-channel 12-bit ADC digitizes local analog sensor inputs such as position, current, or temperature. Because RAM is 2KB, keep buffering shallow or use the drop-in 48KB/60KB/96KB flash DZ variants, which share the 64-LQFP footprint and give headroom for larger protocol stacks.
Recommended
Industrial Sensor and Control Nodes
In factory automation, the MC9S08DZ32CLH serves as a compact sensor and actuation controller: the industrial temperature grade, 12-bit 24-channel ADC, PWM outputs, and watchdog timer cover closed-loop control of small motors, valves, and heaters. SPI and I2C links connect displays, EEPROMs, and external converters, while SCI supports RS-485 style serial supervision. The 53 general-purpose I/O drive relays and opto-isolated inputs directly, and the 1KB EEPROM holds configuration parameters that survive power loss. Its 3.3 V or 5 V operation eases integration into legacy 5 V industrial backplanes. Use the ADC's 2.5 us conversion time for fast current-loop sampling, filtering in firmware.
Recommended
Motor Control (Small DC/BLDC)
Low-power motor control benefits from the DZ32's PWM peripherals, 12-bit ADC with 2.5 us conversions, and 53 I/O for gate-drive sequencing and feedback. A typical topology uses the S08 core at 40 MHz to execute commutation and PI current loops, sampling phase currents through the 24-channel ADC and generating PWM outputs for a small BLDC or brushed DC drive. The watchdog and LVD provide fail-safe shutdown on supply faults. Note that 2KB RAM limits complex field-oriented control; for sensorless FOC, migrate to the same-footprint higher-memory DZ48/DZ60/DZ96 parts or NXP's digital-signal-controller MC56F8357. The external oscillator allows precise PWM frequency generation from a crystal.
Recommended
Home Appliance Control Panels
Appliance user interfaces and control boards use the MC9S08DZ32CLH for its blend of touch/display I/O capacity and analog sensing: 53 I/O pins drive seven-segment displays, LEDs, and relays, while the 24-channel 12-bit ADC reads NTC thermistors, user potentiometers, and supply monitors. The 1KB EEPROM persists user settings and cycle counters, and the watchdog meets appliance safety expectations for recovery from lockups. LIN connectivity supports inter-board links between the display board and power board in larger appliances. The 3.3 V/5 V dual supply range suits both modern low-voltage logic and legacy 5 V panel circuits, reducing level-shifting components on cost-sensitive designs.
Recommended
Battery-Powered and Portable Instrumentation
Portable instruments leverage the S08DZ32's low-voltage operation (3.3 V), integrated 12-bit ADC for direct battery and sensor measurement, and EEPROM for on-device calibration constants. The LVD and POR peripherals give orderly reset behavior as the battery discharges, and the external oscillator option allows switching to lower-power clocking strategies when measurement throughput permits. SPI and I2C connect precision converters, RF modules, and displays. Because the MC9S08DZ32CLH is obsolete, new portable designs should specify the S9S08DZ32F1MLF or S08L/LG family parts in the same LQFP family; verify current consumption figures in the NXP datasheet for your clock configuration, as sleep-mode budgets determine battery life.
Recommended
Recommended Products Summary
Engineering reference data for MC9S08DZ32CLH — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S9S08DZ32F1MLF | S9S08DZ48F1CLH | S9S08DZ60F1CLH | MC9S08DZ96CLH | S9S08LG32J0VLH |
|---|---|---|---|---|---|---|
| Package | 64-LQFP (10x10 mm) | 64-LQFP - same footprint | 64-LQFP - same footprint | 64-LQFP - same footprint | 64-LQFP - same footprint | 64-LQFP - same footprint |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Program Flash | 32KB (32K x 8) | 32KB | 48KB | 60KB | 96KB | 32KB class |
| Core / CPU Speed | S08 8-bit, 40 MHz (20 MHz bus) | S08, same speed class | S08, same speed class | S08, same speed class | S08, same speed class | S08, similar speed class |
| Lifecycle Status | Obsolete | Active (successor) | Active | Active | Legacy (verify) | Active |
| Automotive Qualification | Not specified (standard grade) | Automotive S9 prefix | Automotive S9 prefix | Automotive S9 prefix | Not specified | Automotive S9 prefix |
Key Differentiators
- On-chip CAN controller on an 8-bit MCU (vs MC9S08SL16CTJ)
- Upgrade path to 96KB flash without PCB change (vs MC9S08DZ96CLH)
- Integrated 1KB EEPROM for calibration storage (vs S9S08LG32J0VLH)
Design Notes
The MC9S08DZ32CLH is obsolete. If you are maintaining legacy hardware, place a last-time-buy covering your full forecast plus attrition yield, and qualify the S9S08DZ32F1MLF as the long-term replacement on the same 64-LQFP footprint. Beware broker-channel stock of obsolete Freescale/NXP parts: verify date codes, marking, and provenance, since counterfeit S08 devices are common. Also reconcile the RAM discrepancy in distributor data (2KB per detailed parametrics vs 4KB in one distributor headline) against the official NXP memory map before fixing your firmware RAM budget.
The device accepts a 3.3 V or 5 V supply with LVD (low-voltage detect) and POR (power-on reset) built in. Decouple VDD with 0.1 uF ceramic at each supply pin plus one bulk 4.7-10 uF capacitor, and keep VDDA/VRH analog supply filtered (ferrite plus 1 uF) to protect the 12-bit ADC's effective number of bits. When CAN or LIN transceivers share the 5 V rail, provide local decoupling at each transceiver to keep bus switching noise out of the MCU analog domain.
The external oscillator choice directly affects CAN and LIN timing accuracy: use a crystal (not a ceramic resonator) at the CAN-related clock, place the crystal within a few millimeters of the OSC pins with short guarded traces, and keep high-current PWM/relay traces away from oscillator and analog routing. Reserve test points for the S08 background debug (BDM) interface - the BGND instruction supports on-chip debug, but you need physical access to the debug pins for flashing and debugging after assembly.
Compliance Information
Compliance status not stated in retrieved data. The S9-prefix successor parts are positioned for automotive programs; obtain NXP product-change and compliance documentation directly from NXP.com for the exact orderable variant.