MC9S08DN32MLH - 8-Bit 40MHz 32KB Flash MCU | NXP
MPN： MC9S08DN32MLH ✗ 停產MC9S08DN32MLH 概覽
What is an 8-bit microcontroller? An 8-bit microcontroller is a compact embedded-processing semiconductor that executes instructions over an 8-bit data bus and integrates memory and peripherals into one device. The MC9S08DN32MLH belongs to the S08 microcontroller family, placing it within the embedded-controller hierarchy: MCU, 8-bit microcontroller, S08 MCU, and integrated embedded semiconductor. It is intended for applications that require deterministic control, compact firmware storage, and modest processing throughput.
The principal verified features are a 40 MHz maximum clock, 32 KB of Flash organized as 32K x 8, 2 KB of RAM, 3.3 V or 5 V operation, and a 64-pin LQFP package. Distributor records also identify the part as an S08 device with no CAN interface. The Flash memory provides a larger program-storage budget than many small 8-bit controllers, while the 2 KB RAM supports working variables, stack activity, buffers, and peripheral state. Its automotive temperature-grade marking makes it relevant to vehicle-oriented control systems where operating-temperature qualification and legacy software support matter.
The S08 architecture uses a CISC instruction set and an integrated embedded design that can reduce the need for external support components. The 40 MHz clock provides additional processing headroom for control loops, state machines, communication protocols, and supervisory functions. However, the verified data does not specify individual peripheral channels, timer counts, communication modules, pin functions, memory endurance, or electrical limits, so those details must be confirmed in the manufacturer datasheet before a new board is released.
Typical use cases include automotive body and body-adjacent controllers, motor and actuator supervisory systems, sensor-conditioning nodes, instrument-cluster electronics, industrial automation equipment, and legacy 8-bit control products. The 64-pin LQFP footprint is useful when peripheral routing and external connectivity are more important than minimizing board area. For battery-powered systems, supply-current and sleep-mode data must be checked because those values were not supplied in the verified results.
The most important design consideration is validating the complete pinout, electrical limits, clock requirements, reset requirements, and programming interface against the official datasheet before PCB layout or firmware deployment begins. Do not infer pin functions from the package pin count, and verify that the selected temperature grade, flash programming method, and application code match the production requirements.
This page consolidates verified distributor specifications, package information, pricing context, cross-reference evidence, and practical selection guidance. It distinguishes confirmed MC9S08DN32MLH facts from parameters still requiring manufacturer-documentation review, helping engineers evaluate legacy 8-bit designs without substituting unverified engineering assumptions.
直接替換替代品，適用於 MC9S08DN32MLH — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MC9S08DN32MLH （相同外形與佔位） — 差異在於 Package, Product Type, RAM, Program Memory, Core Processor.
MC9S08DN32AMLH
✅ 直接替換📋 參考替代品（不在目錄中）
MC9S08DN32ACLH
✅ 直接替換聯絡詢價
查看資料表 →MC9S08DN32MLF
✅ 直接替換聯絡詢價
查看資料表 →MC9S08DV60MLH
✅ 直接替換聯絡詢價
查看資料表 →MC9S08AC32CFJE
✅ 直接替換聯絡詢價
查看資料表 →MC9S08DN32MLH 最大額定值與電氣特性
| Product Type | 8-bit microcontroller |
| Series | S08 |
| Architecture | CISC |
| 最大時脈頻率 | 40 MHz |
| Flash Memory | 32 KB (32K x 8) |
| RAM | 2 KB |
| 供應電壓 | 3.3 V / 5 V |
| 封裝 | 64-LQFP (10 mm x 10 mm) |
| 腳位數 | 64 |
| Terminal Form | Gull wing |
| Package Code | LFQFP |
| Temperature Grade | Automotive |
| CAN Interface | No CAN |
| 安裝類型 | Surface mount |
| Manufacturer | NXP Semiconductors |
| Datasheet Package Description | 32KB 32K x 8 Flash, 8-bit S08 series |
MC9S08DN32MLH 32kb 32k x 8 flash, 8-bit s08 series 腳位配置指南
MC9S08DN32MLH（32kb 32k x 8 flash, 8-bit s08 series 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： MC9S08DN32MLH.
請參閱 資料表 以查看完整腳位配置。
典型應用
MC9S08DN32MLH 適用於 6 應用s: Automotive Body Control, Motor and Actuator Supervision, Industrial Sensor Conditioning, Instrumentation and Measurement, Communication Hub, Legacy Product Maintenance.
Automotive Body Control
The MC9S08DN32MLH fits automotive body and body-adjacent control functions where an 8-bit MCU, automotive temperature-grade labeling, 32 KB Flash, and 2 KB RAM are useful. It can supervise switches, inputs, actuators, and simple diagnostic logic without requiring a larger processor when the control task is deterministic. The 40 MHz S08 core provides processing margin for state machines and service routines, while the 64-LQFP package provides ample routing flexibility. Confirm exact automotive qualification, electrical limits, transceiver interfaces, and diagnostics in NXP documentation before production use.
推薦
Motor and Actuator Supervision
The MC9S08DN32MLH can serve as the supervisory controller for motors, relays, valves, and actuators that require fast control logic but not a high-bandwidth operating system. Its verified 40 MHz maximum clock and 32 KB Flash provide room for timing tables, protection routines, and diagnostic state machines, while 2 KB RAM supports local variables and buffers. Use suitable external drivers, protection components, and isolation as required; the MCU supply parameters and individual timer outputs are not included in the supplied data and must be verified before schematic capture.
推薦
Industrial Sensor Conditioning
The MC9S08DN32MLH is suitable for compact sensor-conditioning and signal-acquisition front ends when the system needs local filtering, calibration, threshold logic, and communication management. The 32 KB Flash can hold calibration tables and firmware, and the 2 KB RAM can hold sampled values and working state. Its 64-LQFP package helps expose I/O and power connections on a serviceable control board. The verified data does not identify ADC resolution, sensor interfaces, input filters, or communication peripherals, so those functions must be confirmed in the manufacturer datasheet rather than inferred from the S08 family name.
推薦
Instrumentation and Measurement
The MC9S08DN32MLH can be used in measurement instruments that require deterministic sampling, control, calibration, and local user-interface logic. Its verified 40 MHz class of S08 performance is useful for combining sensor reads with filtering and control routines, while 32 KB Flash offers a practical code and constant-storage budget. The 3.3 V or 5 V operating indication helps select system-level power architecture, although regulator headroom, ADC specifications, and timing accuracy are not supplied. Prototype first against the official electrical and timing documentation before connecting precision analog front ends.
推薦
Communication Hub
The MC9S08DN32MLH can serve as a small protocol hub or gateway when the system combines serial communications, local I/O, diagnostics, and control in one embedded node. The verified 2 KB RAM and 32 KB Flash are appropriate for modest protocol stacks, message buffers, and configuration data, while the 8-bit S08 architecture keeps firmware design straightforward. The verified records state that the part has no CAN, so use an external CAN transceiver or select a CAN-equipped MCU when that bus is mandatory. Exact serial peripheral counts and electrical interfaces remain undocumented in the supplied snippets.
推薦
Legacy Product Maintenance
The MC9S08DN32MLH is relevant to maintenance, redesign-support, and spare-part programs for products already built around the S08 ecosystem. Its verified 32 KB Flash and 2 KB RAM help preserve existing software capacity, while the 64-LQFP footprint supports controlled board-level reuse when the exact pinout is confirmed. A maintenance program should compare revision history, errata, temperature grade, package markings, and supply-chain authenticity rather than relying only on the MPN. Because lifecycle status is not confirmed by the supplied data, production planning requires direct distributor and manufacturer confirmation.
推薦
推薦產品摘要
工程參考資料，適用於 MC9S08DN32MLH — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MC9S08DN32AMLH | MC9S08DN32ACLH | MC9S08DN32MLF | MC9S08DV60MLH | MC9S08AC32CFJE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Architecture | 8-bit S08 CISC | 8-bit S08 family candidate | 8-bit S08 family candidate | 8-bit S08 family candidate | 8-bit S08 family candidate | 8-bit S08 family candidate |
主要差異化特點
- Verified S08 identity with 32 KB Flash and 2 KB RAM (對比MC9S08DN32ACLH)
- Automotive temperature-grade listing (對比MC9S08DN32AMLH)
- Known 64-LQFP 10 mm x 10 mm package format (對比MC9S08DN32MLF)
- 40 MHz maximum clock specification (對比MC9S08AC32CFJE)
設計說明
Do not treat a matching 64-LQFP outline as proof of drop-in compatibility. The supplied cross-reference results identify MC9S08DN32AMLH and MC9S08DN32ACLH as candidates, but they do not provide complete pin-function or electrical comparisons. Verify every pin, alternate-function mapping, supply limit, reset behavior, clock requirement, memory map, and peripheral difference against the official datasheets before changing a released PCB.
Plan the power tree around the verified 3.3 V or 5 V operating indication, but do not assume either label defines the complete electrical envelope. Confirm minimum and maximum supply voltage, I/O thresholds, absolute maximum ratings, startup behavior, and power-consumption modes in the manufacturer datasheet. Include local decoupling and ensure any external transceiver or sensor has compatible logic levels. These are design checks rather than verified MC9S08DN32MLH specifications.
Use a verified CAD symbol and manufacturer land pattern before routing the 64-LQFP footprint. Preserve access to programming, reset, clock, ground, and supply pins, and keep sensitive signal routing away from noisy switching nodes where possible. Because the complete pinout is absent from the supplied data, do not assign MCU functions to numbered pins or calculate decoupling values without checking the official package drawing and electrical recommendations.
The available records identify an automotive temperature grade but do not provide the junction-temperature limit, package thermal resistance, or power dissipation data. Those values must be obtained from the official datasheet and measured in the final PCB environment. For a legacy embedded design, check airflow, copper area, nearby heat sources, and ambient conditions rather than assuming the temperature-grade label alone guarantees adequate thermal performance.
Resolve the apparent memory discrepancy between the FindIC snippet, which says 33 KB, and the DigiKey/Mouser records, which say 32 KB, before programming or compiling the design. Use the exact NXP device documentation and programming-device support list as the authority. Also confirm the manufacturer identity transition between Freescale and NXP when purchasing documentation or production parts.
合規資訊
The verified distributor records identify an automotive temperature grade but do not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. Compliance must be confirmed from the current manufacturer declaration or product documentation.