MC9S08DZ32AMLF - 8-bit MCU 32KB Flash 40MHz CAN LQFP-48 | NXP
MPN: MC9S08DZ32AMLF ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.85 | $38.50 |
| 100 | $3.4 | $340.00 |
| 500 | $3.05 | $1,525.00 |
| 1,000 | $2.75 | $2,750.00 |
MC9S08DZ32AMLF Overview
A microcontroller unit (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals on one die, forming the heart of an embedded control system. Within the semiconductor hierarchy, this device sits at: HCS08 CPU -> 8-bit microcontroller -> S08 family -> embedded control IC. The MC9S08DZ32 belongs to NXP's (formerly Freescale Semiconductor) S08DZ series, notable as the industry's first 8-bit MCU family with embedded CAN, embedded EEPROM, and on-chip emulation/debug.
Key features include the enhanced HCS08 CPU executing the HC08 instruction set with the added BGND instruction, support for up to 32 interrupt/reset sources, a 24-channel 12-bit ADC with 2.5 us conversion time, an analog comparator, embedded EEPROM for data logging, and SCI, SPI, and I2C serial interfaces. The embedded CAN (MSCAN) module enables direct connection to automotive and industrial CAN 2.0 networks without an external CAN controller.
Technically, the CISC core runs from a 3.3V or 5V supply, and the on-chip debug interface (via single-wire background debugging) removes the need for costly external emulators, reducing development cost. Flash program memory of 32KB (32K x 8) suits mid-size firmware with bootloader headroom, while 2KB RAM handles communication buffers and stack requirements.
Typical applications include automotive body control modules, CAN-based sensor nodes, industrial motor control and HVAC systems, and building automation controllers that require CAN connectivity plus precise analog acquisition in a compact 48-LQFP footprint.
For design, note the part is listed as NRND (Not Recommended for New Designs) by NXP; new designs should evaluate the availability of the successor S08P or S32K families, while existing designs can continue sourcing this part or its temperature-grade siblings.
This page synthesizes distributor availability data, verified alternatives, and practical design guidance not found in the manufacturer datasheet alone. Pricing references are as of 2026-10-18.
Drop-in alternatives for MC9S08DZ32AMLF — 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 MC9S08DZ32AMLF (same form factor and footprint) — differing in Instruction Set, Core Processor, Supply Voltage, Program Memory Size, Connectivity.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S08DZ32AMLH
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View Datasheet →S9S08DZ32F1MLF
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$4.21 / Unit
View Datasheet →MC9S08DZ32ACLH
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$5.32 / Unit
View Datasheet →MC9S08DZ32ACLF
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$3.74 / Unit
View Datasheet →S9S08DZ48F1CLH
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$0.8 / Unit
View Datasheet →MC9S08DZ96CLH
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$6.21 / Unit
View Datasheet →MC9S08DZ60AMLH
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S9S08DZ60F1CLH
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$5.95 / Unit
View Datasheet →MC9S08DZ32AMLF Maximum Ratings & Electrical Characteristics
| Core Processor | HCS08 (S08 CISC) |
| Core Size | 8-Bit |
| Maximum CPU Frequency | 40 MHz (20 MHz internal bus) |
| Program Memory Size | 32 KB (32K x 8) Flash |
| RAM Size | 2 KB |
| EEPROM | Embedded EEPROM |
| Supply Voltage | 3.3 V / 5 V |
| CAN | Yes (embedded MSCAN) |
| Serial Interfaces | SCI, SPI, I2C |
| ADC | 24-channel, 12-bit, 2.5 us conversion |
| Analog Comparator | Yes |
| Interrupt/Reset Sources | Up to 32 |
| Instruction Set | HC08 with added BGND instruction |
| On-Chip Debug | Yes (on-chip emulation/debug) |
| Package | 48-LQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| Product Category | Microcontrollers (MCU) |
| Qualification | Automotive-grade family (AEC-Q100 per series documentation) |
| Lifecycle Status | NRND (Not Recommended for New Designs) |
MC9S08DZ32AMLF Pin Configuration
| Pin 1 | PTB5/ADC1 CH7/SPI1 MOSI — General-purpose I/O, ADC channel, SPI MOSI (multiplexed - verify against datasheet) |
| Pin 2 | PTB6/ADC1 CH8/SPI1 SPSCK — General-purpose I/O, ADC channel, SPI clock (multiplexed - verify against datasheet) |
| Pin 3 | PTB7/ADC1 CH9/SPI1 SS — General-purpose I/O, ADC channel, SPI slave select (multiplexed - verify against datasheet) |
| Pin 4 | PTC0/TPM1 CH0 — General-purpose I/O, timer channel (multiplexed - verify against datasheet) |
| Pin 5 | PTC1/TPM1 CH1 — General-purpose I/O, timer channel (multiplexed - verify against datasheet) |
| Pin 6 | PTC2/TPM1 CH2 — General-purpose I/O, timer channel (multiplexed - verify against datasheet) |
| Pin 7 | PTC3/TPM1 CH3/CANRX (ALT) — General-purpose I/O, timer channel, CAN receive (multiplexed - verify against datasheet) |
| Pin 8 | PTC4/CANTX (ALT) — General-purpose I/O, CAN transmit (multiplexed - verify against datasheet) |
| Pin 9 | PTC5/OSC2 — General-purpose I/O, oscillator output (multiplexed - verify against datasheet) |
| Pin 10 | PTC6/OSC1/EXTAL — General-purpose I/O, oscillator input (multiplexed - verify against datasheet) |
| Pin 11 | VDD — Power supply |
| Pin 12 | VSS — Ground |
| Pin 13 | PTD0/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 14 | PTD1/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 15 | PTD2/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 16 | PTD3/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 17 | PTD4/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 18 | PTD5/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 19 | PTD6/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 20 | PTD7/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 21 | PTE0/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 22 | PTE1/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 23 | PTE2/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 24 | PTE3/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 25 | PTE4/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 26 | PTE5/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 27 | PTE6/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 28 | PTE7/- — General-purpose I/O (multiplexed - verify against datasheet) |
| Pin 29 | VREFH — ADC reference high |
| Pin 30 | VREFL — ADC reference low |
| Pin 31 | VDDA — Analog power supply |
| Pin 32 | VSSA — Analog ground |
| Pin 33 | RESET — External reset, bidirectional |
| Pin 34 | BKGD/MS — Background debug mode pin |
| Pin 35 | PTA0/KBI0 — General-purpose I/O, keyboard interrupt (multiplexed - verify against datasheet) |
| Pin 36 | PTA1/KBI1 — General-purpose I/O, keyboard interrupt (multiplexed - verify against datasheet) |
| Pin 37 | PTA2/KBI2 — General-purpose I/O, keyboard interrupt (multiplexed - verify against datasheet) |
| Pin 38 | PTA3/KBI3 — General-purpose I/O, keyboard interrupt (multiplexed - verify against datasheet) |
| Pin 39 | PTB0/ADC1 CH0 — General-purpose I/O, ADC channel (multiplexed - verify against datasheet) |
| Pin 40 | PTB1/ADC1 CH1 — General-purpose I/O, ADC channel (multiplexed - verify against datasheet) |
| Pin 41 | PTB2/ADC1 CH2 — General-purpose I/O, ADC channel (multiplexed - verify against datasheet) |
| Pin 42 | PTB3/ADC1 CH3 — General-purpose I/O, ADC channel (multiplexed - verify against datasheet) |
| Pin 43 | PTB4/ADC1 CH4 — General-purpose I/O, ADC channel (multiplexed - verify against datasheet) |
| Pin 44 | - — Pin function multiplexing - verify exact signal assignment against the NXP S08DZ datasheet pinout table |
| Pin 45 | - — Pin function multiplexing - verify exact signal assignment against the NXP S08DZ datasheet pinout table |
| Pin 46 | - — Pin function multiplexing - verify exact signal assignment against the NXP S08DZ datasheet pinout table |
| Pin 47 | - — Pin function multiplexing - verify exact signal assignment against the NXP S08DZ datasheet pinout table |
| Pin 48 | - — Pin function multiplexing - verify exact signal assignment against the NXP S08DZ datasheet pinout table |
Typical Applications
MC9S08DZ32AMLF is suitable for 6 applications: Automotive Body Control Modules, Industrial CAN Sensor Nodes, HVAC and Building Automation Controllers, Motor Control and Fan Drivers, Gateway and Telematics Bridging, Battery-Powered Portable Instruments.
Automotive Body Control Modules
The MC9S08DZ32AMLF fits automotive body electronics because it combines an embedded CAN (MSCAN) controller with a 40MHz HCS08 core and 32KB Flash, allowing direct attachment to in-vehicle CAN 2.0 networks without an external CAN IC. Its 24-channel 12-bit ADC (2.5us conversion) digitizes switch matrices, potentiometer positions, and sensor voltages, while the embedded EEPROM stores configuration and fault data through power cycles. The 5V-capable supply range interfaces directly with 12V-vehicle-conditioned sensor signals via simple divider networks. Firmware for lamp control, wiper sequencing, or seat positioning fits comfortably in 32KB, and the on-chip debug port lowers development cost. Because the part is NRND, use it for sustaining existing modules and plan migration to currently active NXP automotive families for new programs.
Recommended
Industrial CAN Sensor Nodes
For industrial field devices on CAN networks, the MC9S08DZ32AMLF offers an integrated MSCAN module, SCI/SPI/I2C interfaces, and a 12-bit, 24-channel ADC in one 48-LQFP device, minimizing board area and BOM count. The 20MHz internal bus handles CAN frame packing, filtering, and application logic concurrently, while the analog comparator provides fast threshold detection for alarm conditions independent of software loops. Operation from a 5V industrial supply simplifies interfacing with 4-20mA conditioning front ends and legacy 5V logic. The embedded EEPROM retains calibration coefficients and node address settings without external nonvolatile memory. Its NRND status matters here: for new node designs, prototype with this part only if existing inventory exists, otherwise qualify the DZ60 variant or a newer NXP part with long-term availability commitments.
Recommended
HVAC and Building Automation Controllers
Building automation controllers benefit from the MC9S08DZ32AMLF's mix of CAN (or SCI-based RS-485 via transceiver), 12-bit analog acquisition for temperature and humidity sensors, and embedded EEPROM for setpoint storage. The 40MHz HCS08 core executes PID control loops with ample margin, and the 2.5us ADC conversion enables rapid scanning of multiple sensor channels for zone-based control. Its 3.3V/5V operation supports both modern low-power peripherals and legacy 5V actuator drivers. The 48-LQFP (7x7 mm) package keeps controller PCBs compact for DIN-rail or thermostat housings. On-chip debug accelerates firmware iteration for custom control algorithms. Since the device is NRND, service replacement boards can keep using it, while new controller designs should evaluate newer S08 or Arm Cortex-M0+ parts with active lifecycle status.
Recommended
Motor Control and Fan Drivers
Small motor applications such as DC fans, pumps, and dampers leverage the MC9S08DZ32AMLF's 12-bit ADC for current sensing and back-EMF monitoring, its timers for PWM generation, and the analog comparator for over-current protection trips faster than software polling. The 40MHz CPU sustains closed-loop commutation for single-phase and small BLDC drives, while 32KB Flash holds the control algorithm plus CAN command interface in networked fan arrays. The 5V supply range matches gate-driver logic levels directly. Embedded EEPROM stores speed curves and fault logs for predictive maintenance. Thermal behavior is benign at typical MCU-level currents. Designers should verify the specific timer channel mapping in the S08DZ datasheet for their PWM pins, and account for the NRND status in long-life appliance programs by planning a pin-compatible DZ-family migration.
Recommended
Gateway and Telematics Bridging
Low-cost CAN-to-serial gateways use the MC9S08DZ32AMLF's simultaneous CAN and SCI resources to bridge vehicle or machine CAN buses to RS-232/RS-485 telemetry links. The 2KB RAM buffers CAN frames across both interfaces, and the 20MHz bus keeps up with 500 kbps bus traffic under filtered forwarding loads. SPI and I2C allow the MCU to offload logging to EEPROM or feed displays, while the 12-bit ADC captures auxiliary analog telemetry such as battery voltage. The on-chip debug interface (BGND instruction support) simplifies protocol firmware bring-up without costly emulators. Because 32KB constrains large routing tables, complex gateways should step up to the pin-compatible DZ60 or DZ96 variants. Verify MSCAN bit-timing register settings against the NXP datasheet for your target bus speed and oscillator frequency.
Recommended
Battery-Powered Portable Instruments
Portable measurement tools benefit from the MC9S08DZ32AMLF's 3.3V operation, low-power S08 core, and fast 2.5us 12-bit ADC for on-demand sampling that preserves battery budget. The embedded EEPROM stores calibration constants and user settings through battery swaps, and the analog comparator supports wake-on-threshold designs where the MCU sleeps until a signal crosses a limit. SPI and I2C connect displays and external sensor front ends, while 32KB Flash accommodates feature-rich menus and data-logging routines. The 7x7 mm 48-LQFP balances pin count for a keypad matrix and display bus against a compact PCB footprint. Engineers should implement the S08 low-power wait/stop modes per the NXP datasheet and verify wake-up source configurations, and should note the NRND status when specifying the part for multi-year product roadmaps.
Recommended
Recommended Products Summary
Engineering reference data for MC9S08DZ32AMLF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S08DZ32AMLH | S9S08DZ32F1MLF | MC9S08DZ60AMLH | MC9S08DZ96CLH |
|---|---|---|---|---|---|
| Package | 48-LQFP (7x7 mm) | 48-LQFP - same | 48-LQFP - same | 48-LQFP - same | 48-LQFP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Speed | HCS08, 40 MHz | HCS08, 40 MHz | HCS08, 40 MHz | HCS08, 40 MHz | HCS08, 40 MHz |
| Flash Memory | 32 KB | 32 KB | 32 KB | 60 KB | 96 KB |
| RAM | 2 KB | 2 KB | 2 KB | 4 KB | 4 KB |
| Embedded CAN | Yes (MSCAN) | Yes | Yes | Yes | Yes |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
Key Differentiators
- Embedded CAN on an 8-bit MCU (vs MC9S08GT32ACFDER)
- Industry-first 8-bit family with embedded EEPROM plus CAN (vs MC9S08DZ32AMLH)
- Cost-optimized 32KB point in the DZ family (vs MC9S08DZ60AMLH)
Design Notes
The S08DZ family supports both 3.3V and 5V operation, so decouple VDD and VDDA independently: place 100 nF ceramic capacitors directly at the VDD/VSS and VDDA/VSSA pin pairs, plus a 4.7-10 uF bulk capacitor near the regulator. Keep the analog supply filtered (ferrite bead from VDD to VDDA) because the 12-bit ADC accuracy degrades with digital supply noise. Confirm the exact operating voltage range in the NXP datasheet electrical characteristics table for your temperature grade.
For the 7x7 mm 48-LQFP, route the CAN TX/RX traces as short as possible to the CAN transceiver and place the transceiver's termination network per the CAN 2.0 standard topology. Use a solid ground plane under the MCU, keep the VREFH/VREFL pair locally decoupled, and avoid routing switching loads (relay or motor drivers) adjacent to ADC input channels. The LQFP lead pitch requires standard SMD soldering - reflow profiles should follow NXP/JEDEC moisture sensitivity guidance printed on the tray label.
The MC9S08DZ32AMLF is NRND per NXP, so do not start new designs with it; specify MC9S08DZ32AMLH or the S9S08DZ32F1MLF successor ordering number instead, which share the same footprint. When substituting between DZ32 variants, recheck the oscillator configuration and ADC calibration routines because register maps are shared but factory trim values differ per die. Verify pin multiplexing assignments in the datasheet before releasing the PCB - S08DZ pins carry multiple digital, analog, and CAN functions selected by configuration registers.
Compliance Information
The S08DZ series is positioned by NXP for automotive and industrial markets and distributor data references AEC-Q100 for series parts, but specific RoHS/REACH/lead-free compliance details for the MC9S08DZ32AMLF suffix were not present in the provided web data. Consult the Environmental Quality section of the official NXP product page.