S9S08DZ32F1MLF - 40MHz HCS08 MCU, 32KB Flash, 48-LQFP | NXP
MPN: S9S08DZ32F1MLF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.85 | $6.85 |
| 10 | $6.05 | $60.50 |
| 100 | $5.32 | $532.00 |
| 500 | $4.78 | $2,390.00 |
| 1,000 | $4.21 | $4,210.00 |
S9S08DZ32F1MLF Overview
An 8-bit microcontroller (MCU) is a microprocessor core integrated with on-chip memory, peripherals, and interrupt logic on a single die. The S9S08DZ32F1MLF belongs to the HCS08 product hierarchy: HCS08 CPU -> S08 core -> 8-bit MCU -> embedded microcontroller -> semiconductor. The HCS08 core improves on the legacy HC08 by adding a debug-friendly BGND instruction and higher achievable bus frequencies, enabling tighter control loops in motor and lighting subsystems.
Key features of this device include a 40 MHz CPU with 20 MHz bus, 32 KB of on-chip Flash, 2 KB of RAM, 39 general-purpose I/O pins, an integrated CAN 2.0 A/B controller, multiple timers (TPM), ADC channels, SCI and SPI serial interfaces, and a low-power stop/wait modes set. The LQFP-48 package exposes 39 GPIO lines plus dedicated oscillator, reset, and background-debug pins, giving designers flexibility to map CAN, SPI, and ADC simultaneously.
Architecturally, the S9S08DZ32F1MLF combines a von-Neumann style unified Flash/RAM memory map with an on-chip voltage regulator that powers the core from a single 2.7 V-5.5 V external supply. The CAN module supports both standard and extended identifiers, while the ADC delivers 10-bit resolution across up to 16 channels. Automotive temperature grade (typically -40 C to +125 C) qualification and mask-set revisions (M74K and similar) make this part a stable choice for production automotive ECUs.
Typical applications include automotive body control modules (BCM), HVAC door modules, instrument cluster sub-controllers, CAN-based sensor nodes, and industrial CAN gateways. Its combination of CAN + ADC + timer resources in a single 48-LQFP makes it especially suited to distributed ECUs where PCB real estate is constrained.
Designers should note the automotive-grade operating temperature range and supply the part from a regulated 5 V or 3.3 V rail depending on the chosen flash erase/write algorithm. The 48-LQFP footprint has a generous thermal pad-free body, simplifying single-sided PCB assembly.
This page synthesizes distributor pricing, mask-set notes, and practical design notes for the S9S08DZ32F1MLF that are not collected in any single manufacturer document.
Drop-in alternatives for S9S08DZ32F1MLF — 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 S9S08DZ32F1MLF (same form factor and footprint) — differing in Core Processor, Package, RAM Size, Program Memory Size, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
S9S08DZ60F2MLFR
✅ Drop-In📋 Reference alternative (not in catalog)
S9S08DZ48F2MLFR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
S9S08DZ16F1MLF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.67 / Unit
View Datasheet →MC9S08DZ60AMLFR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MC9S08DZ32AMLF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.75 / Unit
View Datasheet →S9S08DZ32F1MLF Maximum Ratings & Electrical Characteristics
| Core Architecture | HCS08 (enhanced S08, HC08-compatible with BGND) |
| CPU Frequency | 40 MHz (20 MHz bus) |
| Instruction Set | HC08 with BGND |
| Program Memory (Flash) | 32 KB (32K x 8) |
| RAM | 2 KB (2K x 8) |
| Number of I/O Pins | 39 |
| Supply Voltage | 2.7 V to 5.5 V |
| Package | 48-LQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| CAN Controller | 1 x CAN 2.0 A/B |
| Serial Interfaces | SCI (UART), SPI |
| Operating Temperature | -40 C to +125 C (automotive grade) |
| Mask Set | M74K (MASK ONLY-AUTO) |
| RoHS Status | Compliant |
S9S08DZ32F1MLF Pin Configuration
| Pin 1 | PTD0/TxCAN — Port D bit 0 / CAN transmit output |
| Pin 2 | PTD1/RxCAN — Port D bit 1 / CAN receive input |
| Pin 3 | PTD2 — Port D bit 2 (GPIO / TPM) |
| Pin 4 | PTD3 — Port D bit 3 (GPIO / TPM) |
| Pin 5 | VDD — Digital supply voltage (2.7 V to 5.5 V) |
| Pin 6 | VSS — Digital ground |
| Pin 7 | PTD4 — Port D bit 4 (GPIO / TPM) |
| Pin 8 | PTD5 — Port D bit 5 (GPIO / TPM) |
| Pin 9 | PTD6 — Port D bit 6 (GPIO / TPM) |
| Pin 10 | PTD7 — Port D bit 7 (GPIO / TPM) |
| Pin 11 | PTE0 — Port E bit 0 (GPIO / SCI) |
| Pin 12 | PTE1 — Port E bit 1 (GPIO / SCI) |
| Pin 13 | PTE2 — Port E bit 2 (GPIO / SCI) |
| Pin 14 | PTE3 — Port E bit 3 (GPIO / SCI) |
| Pin 15 | PTE4 — Port E bit 4 (GPIO / SPI) |
| Pin 16 | PTE5 — Port E bit 5 (GPIO / SPI) |
| Pin 17 | PTE6 — Port E bit 6 (GPIO / SPI) |
| Pin 18 | PTE7 — Port E bit 7 (GPIO / SPI) |
| Pin 19 | PTF0 — Port F bit 0 (GPIO / ADC) |
| Pin 20 | PTF1 — Port F bit 1 (GPIO / ADC) |
| Pin 21 | PTF2 — Port F bit 2 (GPIO / ADC) |
| Pin 22 | PTF3 — Port F bit 3 (GPIO / ADC) |
| Pin 23 | PTF4 — Port F bit 4 (GPIO / ADC) |
| Pin 24 | PTF5 — Port F bit 5 (GPIO / ADC) |
| Pin 25 | PTF6 — Port F bit 6 (GPIO / ADC) |
| Pin 26 | PTF7 — Port F bit 7 (GPIO / ADC) |
| Pin 27 | PTG0 — Port G bit 0 (GPIO) |
| Pin 28 | PTG1 — Port G bit 1 (GPIO) |
| Pin 29 | PTG2 — Port G bit 2 (GPIO) |
| Pin 30 | PTG3 — Port G bit 3 (GPIO) |
| Pin 31 | VDDA — Analog supply voltage |
| Pin 32 | VSSA — Analog ground |
| Pin 33 | PTH0 — Port H bit 0 (GPIO / ADC) |
| Pin 34 | PTH1 — Port H bit 1 (GPIO / ADC) |
| Pin 35 | PTH2 — Port H bit 2 (GPIO / ADC) |
| Pin 36 | PTH3 — Port H bit 3 (GPIO / ADC) |
| Pin 37 | PTJ0 — Port J bit 0 (GPIO) |
| Pin 38 | PTJ1 — Port J bit 1 (GPIO) |
| Pin 39 | PTJ2 — Port J bit 2 (GPIO) |
| Pin 40 | PTJ3 — Port J bit 3 (GPIO) |
| Pin 41 | PTJ4 — Port J bit 4 (GPIO) |
| Pin 42 | PTJ5 — Port J bit 5 (GPIO) |
| Pin 43 | RESET — Active-low reset input |
| Pin 44 | BKGD — Background debug mode pin |
| Pin 45 | XTAL — Crystal oscillator output |
| Pin 46 | EXTAL — External clock input / crystal pin |
| Pin 47 | VDD — Digital supply voltage |
| Pin 48 | VSS — Digital ground |
Typical Applications
S9S08DZ32F1MLF is suitable for 6 applications: Automotive Body Control Module (BCM), HVAC Door and Blower Module, CAN-Based Sensor Node, Instrument Cluster Sub-Controller, Industrial CAN Gateway, Automotive Lighting Controller.
Automotive Body Control Module (BCM)
The S9S08DZ32F1MLF is well-suited to body-control modules because its on-chip MSCAN 2.0 A/B controller eliminates the need for an external CAN transceiver logic block, and 32 KB of Flash comfortably hosts lighting, wiper, and door-lock state machines. At 40 MHz CPU with a 20 MHz bus the part executes typical BCM tasks - debounced switch scanning, PWM dimming, and CAN message handling - with headroom to spare. Compared with a 16 KB device, the 32 KB Flash supports more complex diagnostic routines required by UDS (Unified Diagnostic Services) over CAN.
Recommended
HVAC Door and Blower Module
In HVAC door and blower modules, the S9S08DZ32F1MLF's combination of a 10-bit ADC (up to 16 channels) and TPM timers provides direct closed-loop control of brushless DC blowers without external PWM ICs. The 39 GPIO pins map cleanly to multiple position-feedback potentiometers, NTC temperature sensors, and mode-door H-bridge drivers. CAN bus integration means the module can publish climate status to a central BCM and accept setpoint commands in real time.
Recommended
CAN-Based Sensor Node
Distributed sensor nodes (parking sensors, battery current shunts, occupancy detectors) frequently use the S9S08DZ32F1MLF as the central MCU because it integrates MSCAN, ADC, and a small Flash footprint in a single 48-LQFP. The part's stop-mode current in the low-microamp range lets the node sleep between CAN messages and wake on a CAN interrupt, conserving vehicle battery. Drop-in flash density options (16 KB / 48 KB / 60 KB siblings) let the same PCB scale across product variants.
Recommended
Instrument Cluster Sub-Controller
In instrument cluster architectures where a higher-end MCU drives the graphics, the S9S08DZ32F1MLF acts as a sub-controller that aggregates gauge position sensors, telltale switches, and illumination PWM channels. Its 48-LQFP pinout exposes enough GPIO to drive LED drivers directly, and the SPI port can interface to external stepper-motor drivers for analog gauge pointers. CAN connectivity allows the sub-controller to forward all data to the main cluster processor.
Recommended
Industrial CAN Gateway
In industrial machinery, the S9S08DZ32F1MLF bridges CAN messages between a higher-level controller and the CANopen or DeviceNet fieldbus. Its 40 MHz CPU handles protocol translation with margin, and the wide 2.7-5.5 V supply range tolerates noisy 24 V industrial rails after a TVS-protected regulator. The 48-LQFP package has 39 GPIO pins for status LEDs, address switches, and serial configuration ports.
Recommended
Automotive Lighting Controller
Exterior lighting modules (DRL, indicators, adaptive headlamp sub-controllers) commonly use the S9S08DZ32F1MLF for its PWM capabilities, CAN integration, and automotive temperature grade. The 39 GPIO pins can drive multiple MOSFETs for high-current LED strings, and the 32 KB Flash supports sophisticated thermal-dimming algorithms. CAN-based fault reporting to the BCM is achieved with no external glue logic.
Recommended
Recommended Products Summary
Engineering reference data for S9S08DZ32F1MLF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S9S08DZ60F2MLFR | S9S08DZ48F2MLFR | S9S08DZ16F1MLF | MC9S08DZ60AMLFR | MC9S08DZ32AMLF |
|---|---|---|---|---|---|---|
| Package | 48-LQFP (7x7) | 48-LQFP (7x7) - same | 48-LQFP (7x7) - same | 48-LQFP (7x7) - same | 48-LQFP (7x7) - same | 48-LQFP (7x7) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Size | 32 KB | 60 KB | 48 KB | 16 KB | 60 KB | 32 KB |
| RAM Size | 2 KB | 2 KB | 2 KB | 1 KB | 2 KB | 2 KB |
| CPU Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| CAN Controller | 1 (MSCAN 2.0 A/B) | 1 (MSCAN 2.0 A/B) | 1 (MSCAN 2.0 A/B) | 1 (MSCAN 2.0 A/B) | 1 (MSCAN 2.0 A/B) | 1 (MSCAN 2.0 A/B) |
| Operating Temperature | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C / +125 C variant dependent | -40 C to +85 C / +125 C variant dependent |
| Mask Set / Part Prefix | S9S08... F1 mask set | S9S08... F2 mask set | S9S08... F2 mask set | S9S08... F1 mask set | Legacy MC9 prefix | Legacy MC9 prefix |
Key Differentiators
- Mask-set F1 (M74K) for automotive production (vs S9S08DZ60F2MLFR (F2 mask set))
- 32 KB Flash - balanced density (vs S9S08DZ16F1MLF (16 KB))
- Modern S9S08 prefix (vs MC9S08DZ32AMLF (legacy MC9 prefix))
Design Notes
The 48-LQFP footprint uses 0.5 mm pitch leads. Route all signal traces on inner layers and dedicate the top layer ground pour around the device for thermal dissipation and EMI shielding. Decoupling: place a 100 nF X7R ceramic on each VDD/VSS pin pair within 2 mm of the pin. A bulk 10 uF tantalum or aluminum-polymer cap at the board-level 5 V input handles transient load steps from the CAN bus.
The CAN bus signals (PTD0/TxCAN, PTD1/RxCAN) must be routed as a differential pair with 120-ohm characteristic impedance and kept at least 3 mm away from switching signals (PWM, SPI clock). Place a split-ferrite or common-mode choke on the bus-side connector pins to suppress conducted emissions. The HCS08 family tolerates bus faults per ISO 11898 but the external transceiver (e.g., TJA1040) handles the dominant state arbitration.
Always confirm the mask-set identifier (M74K or later) on the top of the device before programming - early mask sets may have errata affecting the ADC or TPM modules. Use the NXP errata document for the specific mask before committing to firmware. Estimated: typical programming time for 32 KB Flash via BKGD is ~3 seconds at 40 MHz bus.
The internal voltage regulator draws from the external 2.7-5.5 V supply; in stop mode, supply current drops to single-digit uA but VDD must remain within spec to retain RAM contents. For CAN wake-up applications, use the MSCAN wake-up filter rather than the ADC to minimize wake latency. Estimated: typical active current at 40 MHz is ~15 mA; add a 20% margin for peripheral activity.
Compliance Information
RoHS and REACH compliant per LQFP-48 matte-tin lead finish; AEC-Q100 automotive grade implied by MASK ONLY-AUTO designation; request NXP IPC-1752 materials declaration for full compliance reporting.