MC9S08DN32MLF - 8-Bit 40MHz 32KB MCU | NXP
料号： MC9S08DN32MLF ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $7.2282 | $7.23 |
| 10 | $7.2282 | $72.28 |
| 100 | $7.2282 | $722.82 |
| 500 | $7.2282 | $3,614.10 |
| 1,000 | $7.2282 | $7,228.20 |
MC9S08DN32MLF 概述
An S08 microcontroller is an embedded-control member of the microcontroller hierarchy, combining a CPU core, nonvolatile firmware memory, volatile working memory, digital I/O, and specialized peripherals on one semiconductor. This integration reduces component count and lets firmware monitor external inputs, execute control logic, and drive outputs while handling communications through dedicated serial interfaces.
Key features include 32 KB (32K x 8) Flash for program storage, a maximum CPU frequency of 40 MHz with a 20 MHz bus, and 1.5K x 8 RAM for data and stack operations. The 12-bit ADC has 16 channels and a stated 2.5-second conversion time in the retrieved data. Serial connectivity covers I2C, LINbus, SCI, and SPI, while the WDT, PWM, LVD, and POR blocks support reliable embedded operation.
The device belongs to the NXP S08 family and uses the HCS08 instruction set with an added BGND instruction. Its external oscillator requirement means the board must provide an appropriate clock source and associated support circuitry. Firmware and hardware integration must also account for the exact signal, power, and pin assignments in the manufacturer documentation.
Typical uses include low- and mid-speed industrial controllers, motor and actuator supervisory systems, sensor interfaces, communication hubs, building controls, and compact embedded products. The 39 available I/O pins support multiple discrete inputs and outputs, while ADC and serial resources reduce the need for external interface ICs. These functions make the part practical for control boards that need general-purpose connectivity and moderate processing.
A critical design consideration is lifecycle planning because the retrieved source identifies the part as obsolete. Engineers should verify last-time-buy availability, stored inventory authenticity, and approved lifecycle-extension strategies before committing a new production design. Existing deployments can use the verified core, memory, package, and peripheral data for maintenance, while obsolete marking requires stricter sourcing review.
This page consolidates verified distributor specifications, an honest replacement assessment, package details, and practical selection guidance. It distinguishes confirmed electrical facts from unavailable data and does not treat merely similar MC9S08 devices as drop-in replacements without verified pin compatibility.
直接替换替代料： MC9S08DN32MLF ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MC9S08DN32MLF （相同外形与封装尺寸） ——差异在于 Package, Product Type, Architecture, Flash Memory, RAM.
快速对比工具——选择替代料号进行并排对比：
该产品暂无直接替换替代料。
请求替代料MC9S08DN32MLF 最大额定值与电气特性
| Product Type | 8-bit S08 Flash microcontroller |
| Core Processor | S08, 8-bit |
| 最大时钟频率 | 40 MHz |
| Bus Frequency | 20 MHz |
| Program Memory Size | 32 KB (32K x 8) Flash |
| RAM Size | 1.5 KB (1.5K x 8) |
| EEPROM Size | 1 KB (1K x 8) |
| Number of I/O | 39 |
| ADC Resolution | 12-bit |
| ADC Channel Count | 16 channels |
| ADC Conversion Time | 2.5 s |
| Serial Interfaces | I2C, LINbus, SCI, SPI |
| Oscillator Type | External |
| 封装 | 48-LQFP, 7x7 mm |
| Package Code | LFQFP |
| Lead Form | Gull wing |
| Peripheral Support | LVD, POR, PWM, WDT |
| Instruction Set | HC08 instruction set with added BGND instruction |
| Interrupt and Reset Sources | Up to 32 sources |
| Temperature Grade | Automotive |
MC9S08DN32MLF lfqfp 引脚配置指南
MC9S08DN32MLF（lfqfp 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： MC9S08DN32MLF.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC9S08DN32MLF 适用于 6 应用s: Industrial Control and Automation, Sensor Interface and Monitoring, Motor and Actuator Control, Building and Environmental Controls, Communication Gateway and Protocol Bridge, Automotive or Equipment Control Module.
Industrial Control and Automation
The MC9S08DN32MLF fits compact embedded controllers that need moderate processing, many discrete I/O, and serial communications. Its verified 40 MHz S08 core and 20 MHz bus can execute real-time control tasks, while 39 I/O support inputs, indicators, relays, and actuators. The 32 KB Flash and 1.5 KB RAM provide a defined baseline for control firmware, and I2C, SCI, SPI, and LINbus expand board-level integration options. Because the part is obsolete, it is most appropriate for maintaining an existing design rather than starting an unconstrained new platform, and production releases should include a migration path.
Sensor Interface and Monitoring
The MC9S08DN32MLF is applicable to multi-sensor monitoring equipment because it provides 16 ADC channels at 12-bit resolution in addition to 39 I/O pins. Digital sensors can use I2C or SPI, while slower serial devices can use SCI or LINbus depending on the system architecture. Its 32 KB Flash can hold application firmware and 1 KB EEPROM is available for persistent parameters according to the retrieved specification. Design work must verify analog input ranges and acquisition timing from the complete datasheet, especially because the supplied ADC conversion-time text states 2.5 seconds and should not be assumed to represent every operating mode.
Motor and Actuator Control
The MC9S08DN32MLF can serve as a supervisory controller in motors, valves, relays, and compact actuator assemblies. The 40 MHz S08 core is suitable for coordinating digital control sequences, while the 39 I/O and PWM support provide interfaces for command, status, feedback, and timing functions. Serial connectivity allows a main processor or operator interface to exchange diagnostic data. The part does not by itself provide the power stage for a motor, so designers still need suitable drivers, protection, and power conversion. Obsolete lifecycle status makes it preferable for sustaining existing machinery unless long-term sourcing is formally controlled.
Building and Environmental Controls
The MC9S08DN32MLF can support compact room, equipment, or building-control nodes that combine digital inputs with analog measurements. Its 16-channel 12-bit ADC can monitor multiple sensor lines, and the 39 I/O provide ample endpoints for switches, relays, indicators, and bus transceivers. I2C or SPI can connect local sensors, while LINbus or SCI can support longer-distance or host communication according to the board design. Firmware can use the PWM and watchdog resources for periodic control and fault recovery. Final deployment requires checking the exact electrical limits, external oscillator network, and any regulatory requirements because these details were not included in the retrieved excerpts.
Communication Gateway and Protocol Bridge
The MC9S08DN32MLF is suitable for a small embedded gateway that must bridge sensors, actuators, and a higher-level controller. Its I2C, LINbus, SCI, and SPI interfaces allow multiple serial roles within one compact design, while 39 I/O provide status and control signals around those buses. The 32 KB Flash and 1.5 KB RAM constrain protocol complexity, so firmware should be structured carefully and benchmarked at the target clock. Any bus timing, electrical level, and transceiver must be verified against the complete manufacturer documentation rather than inferred solely from the interface names.
Automotive or Equipment Control Module
The MC9S08DN32MLF's retrieved records identify an automotive temperature grade, 39 I/O, 12-bit ADC, PWM, watchdog, reset protection, and multiple serial interfaces, making it a possible fit for compact equipment-control modules. Those resources allow a controller to monitor analog inputs, operate digital outputs, and communicate with other embedded nodes. However, the provided evidence does not include numeric temperature limits, voltage ranges, automotive qualification status, AEC-Q100 classification, or EMC results. Engineers must therefore treat automotive suitability as unconfirmed until the exact NXP ordering information and qualification documentation are reviewed.
工程参考数据： MC9S08DN32MLF ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 |
|---|---|
| Package | 48-LQFP, 7x7 mm |
| Brand | NXP Semiconductors |
| Core | S08, 8-bit |
| Maximum Clock Frequency | 40 MHz |
| Bus Frequency | 20 MHz |
| Program Memory | 32 KB Flash |
| RAM | 1.5 KB |
| Number of I/O | 39 |
| ADC | 16-channel, 12-bit |
| Connectivity | I2C, LINbus, SCI, SPI |
关键差异点
- Documented combination of 40 MHz processing and memory （对比 No verified drop-in alternative was established)
- Integrated mixed-signal and serial-control resources （对比 Related MC9S08 and S9S08 devices named in search results)
- Existing-software continuity for maintenance （对比 Newer or unverified migration candidates)
设计说明
Do not treat matching memory size or package dimensions as proof of replacement compatibility. Verify the exact 48 pin assignments, power pins, clock pins, reset behavior, analog channels, and multiplexed peripheral functions before considering another MCU. The retrieved alternatives search identifies related S08 and S9S08 devices, but it does not provide authoritative proof that any one of them is pin-to-pin drop-in compatible with MC9S08DN32MLF.
Use the exact manufacturer package drawing and pin table when laying out this 48-LQFP 7x7 mm device. Keep the external clock network compact and follow the recommended grounding and decoupling arrangement from the complete datasheet. Preserve a known-good assembly layout, especially because the part is obsolete and field repairs may depend on tracing or inspecting an existing board rather than creating a new design from incomplete online records.
Validate the complete power-supply requirements, decoupling values, and I/O voltage domains from the manufacturer documentation before connecting field wiring. The retrieved data does not include the numeric supply-voltage range, absolute maximum ratings, or power-consumption values, so those values must not be inferred from the 40 MHz clock rate. Add appropriate protection for external connectors and ensure every peripheral interface uses a confirmed logic voltage.
合规信息
The provided search results identify the part as automotive temperature grade and obsolete, but they do not provide verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements.
