MC9S08MM32ACLH - 8-bit S08 MCU, 32KB Flash, 48MHz | NXP
料号： MC9S08MM32ACLH ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $5.03 | $5.03 |
| 10 | $4.78 | $47.80 |
| 100 | $4.53 | $453.00 |
| 500 | $4.28 | $2,140.00 |
| 1,000 | $4.03 | $4,030.00 |
MC9S08MM32ACLH 概述
A microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals such as timers, communication interfaces, and analog blocks onto one die. In the product hierarchy, the MC9S08MM32ACLH belongs to the 8-bit microcontroller class, the S08 family, and general-purpose embedded control ICs, sitting below 32-bit MCUs in complexity but excelling in cost-sensitive, low-power control tasks.
Key features include the wide 1.8V to 3.6V supply voltage range, 33 general-purpose I/O lines, RoHS-compliant lead-free packaging, and an operating temperature rating up to 105C ambient, which together support automotive-adjacent and industrial environments. The voltage-dependent clock scaling lets designers trade speed against power consumption dynamically, a distinct advantage for battery-powered designs.
Architecturally, the S08 core is an enhanced, fully static CISC 8-bit engine descended from the Freescale (now NXP) 68HC08 lineage, offering efficient instruction execution, low-interrupt latency, and mature development tools including CodeWarrior support. The 32KB flash array supports in-system reprogramming, enabling field firmware updates without socketed parts.
Typical applications include consumer appliance control, small motor and lighting control, battery management and portable instrumentation, and industrial sensing nodes where an 8-bit MCU with rich flash and many I/O pins is sufficient.
When designing with this device, verify that your target clock frequency matches the operating supply voltage per the voltage-versus-frequency derating (48MHz only above the upper voltage range) to avoid marginal timing.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, with data verified as of 2026-10-18.
直接替换替代料： MC9S08MM32ACLH ——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： MC9S08MM32ACLH （相同外形与封装尺寸） ——差异在于 Package, Core, Flash Memory, Maximum Clock Frequency, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
MC9S08MM64ACLH
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC9S08MM128ACLH
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC9S08JE64CLH
✅ 直接替换✓ 有现货
$3.78 / 个
查看数据手册 →MC9S08JE64VLH
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →MC9S08DN32MLH
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →MC9S08MM32ACLH 最大额定值与电气特性
| Core Processor | S08 (8-bit CISC) |
| Core Size | 8-Bit |
| 最大时钟频率 | 48 MHz (at high VDD); 40 MHz above 2.1 V; 20 MHz above 1.8 V |
| Flash Memory | 32KB (32K x 8) |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Number of I/O | 33 |
| Package Type | 64-LQFP (10 x 10 mm) |
| 安装类型 | Surface Mount |
| Program Memory Type | Flash |
| Life Cycle Stage | Active |
| RoHS 状态 | RoHS Compliant |
| USB | No (per Mouser listing: 8-bit MCU, no USB) |
| Packaging | Tray |
| Supply Voltage - Nominal | 2.5 V / 3.3 V |
MC9S08MM32ACLH 64-lqfp (10 x 10 mm) 引脚配置指南
MC9S08MM32ACLH（64-lqfp (10 x 10 mm) 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： MC9S08MM32ACLH.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC9S08MM32ACLH 适用于 6 应用s: Home Appliance Control, Small Motor Control, Battery-Powered Portable Instruments, Industrial Sensor Nodes, LED Lighting Control, Data Acquisition Subsystems.
Home Appliance Control
The MC9S08MM32ACLH fits appliance control boards - washing machines, rice cookers, and small HVAC controllers - because its 33 I/O lines drive displays, relays, and keypads directly while the 32KB flash holds complete control firmware including UI state machines and fault logging. The 1.8V to 3.6V supply tolerance simplifies power design from linear or buck-derived 3.3V rails, and operation to 105C ambient covers the hot interior of cooking and laundry appliances. Designers typically clock the S08 core at 20-40MHz depending on the rail, balancing scan rate against EMC. The absence of USB keeps cost down, which matters in high-volume appliance BOMs.
推荐
Small Motor Control
For fan, pump, and small BLDC/DC motor control, the MC9S08MM32ACLH provides the S08 core's fast interrupt response for commutation timing, ample flash for PI speed-loop firmware, and enough GPIO for gate-drive control, Hall/encoder inputs, and fault feedback. The voltage-scaled clock (48MHz at high rail, 40MHz above 2.1V) gives headroom for tight current-loop periods, while the 64-pin LQFP 10 x 10 mm footprint keeps the controller compact on power boards. The 105C capability suits motor-controller enclosures where ambient temperature rises above room conditions. Pair with external gate drivers and current-sense circuitry; the MCU supervises sequencing and protection.
推荐
Battery-Powered Portable Instruments
Portable meters and loggers benefit from the MC9S08MM32ACLH's 1.8V floor: the device still executes at 20MHz from two alkaline cells or a single Li cell with an LDO, extending usable battery discharge curves. The 32KB flash accommodates data-logging tables, calibration coefficients, and communication firmware, while the 33 I/O lines interface LCD segments, buttons, and serial peripherals. The wide supply range removes the need for tight regulation during battery sag, a common failure point in portable designs. Firmware should exploit low-power wait/stop modes between samples to stretch battery life; verify exact stop-mode currents in the NXP datasheet.
推荐
Industrial Sensor Nodes
In factory sensing nodes measuring temperature, pressure, or flow, the MC9S08MM32ACLH handles signal-chain sequencing, linearization, and digital output (UART/SPI/I2C-class links via its peripheral set - confirm exact interface inventory in the datasheet). The 32KB flash supports protocol stacks and node-identity storage; the 105C operation tolerates panel-mount electronics near heat sources. Its RoHS-compliant 64-LQFP meets industrial environmental requirements, and the mature S08 toolchain eases maintenance of long-lived factory equipment. Powering from a 3.3V industrial rail leaves margin below the 3.6V absolute limit; add transient protection on field-wired I/O.
推荐
LED Lighting Control
Dimmable LED drivers and smart-lamp controllers use the MC9S08MM32ACLH to generate PWM dimming, decode DALI/TRIAC/0-10V-style inputs, and manage thermal foldback. The 48MHz capability supports precise PWM resolution at audible-noise-free frequencies above 20kHz, while 33 I/O lines handle multi-string enable, fault sensing, and communication. The 1.8-3.6V operating range matches standard 3.3V auxiliary supplies derived from offline converters. The 32KB flash leaves room for lighting-profile tables and upgrade firmware. At high ambient inside enclosed luminaires, the 105C rating provides margin; monitor junction temperature via the internal sensor if available per the datasheet peripheral list.
推荐
Data Acquisition Subsystems
As a controller for front-end data acquisition boards, the MC9S08MM32ACLH sequences external ADCs, manages gain/mux control lines, buffers sample streams, and formats output over serial links. Its S08 core's deterministic CISC timing simplifies sample-interval scheduling without an RTOS, and 32KB flash stores calibration and framing logic. The many GPIO of the 64-LQFP directly drive multiplexer address lines and status LEDs. Because the MCU itself lacks high-speed conversion, pair it with precision ADCs from the same design ecosystem; SPI-class interconnect keeps layout simple. Clock the device conservatively near ADC sampling rates to minimize digital noise coupling into analog sections.
推荐
推荐产品汇总
工程参考数据： MC9S08MM32ACLH ——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 | MC9S08MM64ACLH | MC9S08MM128ACLH | MC9S08JE64CLH | MC9S08DN32MLH |
|---|---|---|---|---|---|
| Package | 64-LQFP (10 x 10 mm) | 64-LQFP (10 x 10 mm) - same | 64-LQFP (10 x 10 mm) - same | 64-LQFP - same footprint | 64-LQFP - same footprint |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | S08 8-bit CISC | S08 8-bit CISC | S08 8-bit CISC | S08 8-bit CISC | S08 8-bit CISC |
| Flash Memory | 32KB | 64KB | 128KB | 64KB | 32KB |
| USB | No | No | No | No | USB-capable DN family variant |
关键差异点
- Voltage-scaled clock maximizes battery flexibility （对比 MC9S08DN32MLH)
- Right-sized flash for cost-sensitive volume （对比 MC9S08JE64CLH)
- Headroom for firmware growth within the same footprint （对比 MC9S08MM128ACLH)
设计说明
Respect the voltage-frequency derating when selecting the power rail. Per the NXP datasheet summary, the CPU may run at 48MHz only at the top of the supply range, 40MHz above 2.1V, and 20MHz above 1.8V. If a 3.3V LDO feeds the MCU and the rail can droop under load transients, verify the droop floor stays above the threshold for your target clock across temperature. For battery designs ending near 1.8V, clock firmware down to 20MHz or implement voltage-monitored clock scaling.
The 64-LQFP 10 x 10 mm footprint places power pins for convenient decoupling; place 100nF ceramic capacitors at each VDD/VSS pin pair as close to the pins as possible, plus bulk capacitance near the regulator. Keep the BDM debug header routed with short traces for reliable flash programming during production. Under the LQFP, use the standard pull-back land pattern per the package mechanical drawing in the NXP technical data document; avoid extending traces under the package body where finer S08 timing signals run.
Do not assume peripheral parity between S08MM and S08JE/S08DN family members when substituting. Although all use the S08 core and 64-pin LQFP, peripheral sets and pin multiplexing differ; a drop-in swap can change timer channel mappings and analog pin assignments. Also confirm RAM size from the full datasheet - the web listings specify flash (32KB) but not RAM. Finally, program the flash security and option bytes deliberately on first production flash, since factory defaults may lock debug access.
Estimated: an 8-bit MCU at 48MHz typically dissipates tens of milliwatts; with the LQFP-64 theta_JA on a standard 4-layer board (on the order of 50 C/W), junction rise above ambient is only a few degrees C at typical loads. Thermal management is generally unnecessary; the 105C ambient capability per the digchip listing provides generous margin. Verify actual supply current from the datasheet electrical characteristics table for your clock/voltage operating point.
合规信息
RoHS compliant per digchip specification listing (ROHS COMPLIANT, LQFP-64). CLH package suffix denotes lead-free RoHS LQFP. REACH, halogen-free, and conflict-minerals declarations were not present in the retrieved web data.
