MC9S08DV48ACLF - 8-bit MCU, 48KB Flash, CAN/LIN | NXP
料号： MC9S08DV48ACLF ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.85 | $38.50 |
| 100 | $3.45 | $345.00 |
| 500 | $3.1 | $1,550.00 |
| 1,000 | $2.85 | $2,850.00 |
MC9S08DV48ACLF 概述
An 8-bit microcontroller is a single-chip computer that integrates a processor core, memory, and peripherals such as timers, serial interfaces, and analog-to-digital converters on one die. Within the embedded systems hierarchy, the MC9S08DV48 belongs to the S08 family of MCUs, which sits under the broader categories of microcontroller units, embedded processors, and semiconductors. MCUs of this class execute the HC08 instruction set (with the added BGND instruction) and are widely used where cost, low power, and integrated analog matter more than raw processing throughput.
Key features include the enhanced HCS08 core running at 40 MHz (20 MHz bus), support for up to 32 interrupt/reset sources, and a 16-channel, 12-bit ADC with 2.5 microsecond conversion time. The S08DV series is differentiated by its on-chip CAN and LIN master modules, which reduce external component count in vehicle networks. Flash memory of 48 KB (48K x 8) with in-application programmability simplifies field updates.
Architecturally, the device uses the enhanced HCS08 core with CISC organization and debug support via a single-wire background debug interface (BGND instruction), enabling non-intrusive on-chip debugging without consuming user pins. The ADC's 12-bit resolution and 2.5 microsecond conversion rate make it suitable for direct sensor interfacing without external converters.
Typical applications include automotive body electronics (door modules, seat control, lighting), LIN-networked mechatronic subsystems, industrial control nodes, and CAN-based instrumentation where the 8-bit core, 12-bit ADC, and CAN/LIN masters cover the full signal chain in one chip.
Design-wise, budget the 2 KB RAM carefully when enabling CAN buffers plus stack depth, and verify flash erase/program voltage requirements per the manufacturer datasheet. The LQFP-48 (7x7 mm) footprint keeps PCB area small while retaining access to all 16 ADC channels.
This page synthesizes distributor availability data, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： MC9S08DV48ACLF ——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： MC9S08DV48ACLF （相同外形与封装尺寸） ——差异在于 Package, Connectivity, Operating Temperature, Core Processor, Instruction Set.
快速对比工具——选择替代料号进行并排对比：
MC9S08DV32ACLF
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC9S08DV60ACLF
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC9S08DV16ACLF
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC9S08DZ48ACLF
✅ 直接替换✓ 有现货
$4.32 / 个
查看数据手册 →MC9S08DZ32ACLF
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.74 / 个
查看数据手册 →MC9S08DV48ACLF 最大额定值与电气特性
| Core Processor | HCS08 (S08 series) |
| Core Size | 8-bit |
| CPU Frequency | 40 MHz (20 MHz bus) |
| Instruction Set | HC08 with added BGND instruction |
| Program Memory Size | 48 KB (48K x 8) FLASH |
| RAM Size | 2 KB |
| 数据总线宽度 | 8 bit |
| Interrupt/Reset Sources | Up to 32 |
| ADC Resolution | 12 bit |
| ADC Channels | 16-channel |
| ADC Conversion Time | 2.5 us |
| Connectivity | CAN, LIN (master) |
| 封装 | 48-LQFP (7x7 mm) |
| 安装类型 | Surface Mount |
| Product Series | S08DV |
| RoHS 状态 | Compliant (per distributor listings, details on manufacturer page) |
MC9S08DV48ACLF 48-lqfp (7x7 mm) 引脚配置指南
MC9S08DV48ACLF（48-lqfp (7x7 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： MC9S08DV48ACLF.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MC9S08DV48ACLF 适用于 6 应用s: Automotive Door Modules, Seat Control Systems, Automotive Lighting Control, Industrial CAN Network Nodes, LIN-Based Mechatronic Subsystems, Sensor Hubs and Instrumentation.
Automotive Door Modules
The MC9S08DV48ACLF fits automotive door modules because it combines the CAN node and LIN master on one die: the CAN interface links the module to the vehicle body controller while the LIN master drives low-cost mirror, window-lift, and lock subnodes, eliminating a second network transceiver controller. The 16-channel 12-bit ADC with 2.5 microsecond conversion reads Hall-effect position sensors, current-sense shunts, and temperature inputs directly. The 48 KB flash holds the full CAN/LIN stack plus diagnostics per UDS-style requirements, and the 40 MHz HCS08 core completes control loops such as anti-pinch window protection well within timing budgets. The 48-LQFP 7x7 mm package suits the compact PCBs typical of door harness connectors.
推荐
Seat Control Systems
In power seat control, the MC9S08DV48ACLF's 16-channel 12-bit ADC simultaneously reads multiple Hall sensors and potentiometer position feedbacks for motors controlling fore/aft, recline, height, and lumbar adjusters, while the CAN module reports status and fault codes to the body controller. LIN master capability lets one seat module manage low-cost subnodes such as memory-switch packs or belt reminders without adding a second MCU. The 2.5 microsecond ADC conversion time supports overcurrent detection during motor stall conditions, and 48 KB flash stores seat-position memory tables and diagnostic routines. The 40 MHz (20 MHz bus) core keeps PWM generation for multiple DC motors jitter-free under interrupt load.
推荐
Automotive Lighting Control
The MC9S08DV48ACLF suits exterior and interior lighting modules where CAN connectivity, LIN master control of LED string subnodes, and precise analog feedback converge. The 12-bit ADC monitors LED current-sense voltages and board temperature with 2.5 microsecond conversions, enabling closed-loop current regulation and over-temperature derating in firmware. The 20 MHz bus generates multi-channel PWM at resolutions adequate for dimming without flicker, and the 48 KB flash accommodates LIN-based brightness scheduling and error reporting. According to the S08DV series positioning, the dual CAN-plus-LIN capability is the differentiator: one MCU bridges the vehicle body CAN bus to a LIN network of interior lamp modules, reducing BOM cost and wiring harness complexity.
推荐
Industrial CAN Network Nodes
For factory automation and building control nodes, the MC9S08DV48ACLF provides a cost-effective 8-bit CAN endpoint: the on-chip CAN controller plus external transceiver connects to the fieldbus while the 16-channel 12-bit ADC digitizes analog process values such as pressure, position, and temperature with 2.5 microsecond conversions. The 40 MHz HCS08 core executes PID control loops deterministically, and 48 KB flash leaves headroom for protocol handling and OTA-style flash reprogramming of field firmware. The 2 KB RAM requires disciplined buffer allocation, but CAN traffic at classic bit rates fits comfortably. The industrial 48-LQFP footprint and surface-mount assembly suit both DIN-rail controller boards and distributed I/O cubes.
推荐
LIN-Based Mechatronic Subsystems
Where a central module must command a ring of inexpensive slave actuators - wiper systems, HVAC flap actuators, pump controllers - the MC9S08DV48ACLF acts as the LIN master defined in its Mouser listing description. The on-chip LIN master handles schedule-table timing in hardware-assisted firmware, while the 12-bit ADC closes local control loops with 2.5 microsecond sampling. 48 KB flash stores the full LIN 2.x description-file-driven schedule plus fallback behaviors on bus errors, and the 40 MHz core keeps master response latency within LIN's 1.4x time-budget rules. This application exploits the S08DV series' defining feature set: CAN uplink plus LIN downlink in a single 7x7 mm LQFP-48 device.
推荐
Sensor Hubs and Instrumentation
The MC9S08DV48ACLF serves as a compact sensor hub where sixteen analog inputs must be digitized and reported over a serial network: the 16-channel 12-bit ADC samples at 2.5 microseconds per conversion, and the 48 KB flash runs averaging, linearization, and thresholding firmware before results are transmitted. For installations that already carry CAN wiring, the integrated controller connects directly; for simpler units, the LIN master offers a lower-cost single-wire alternative. The 40 MHz HCS08 core provides sufficient throughput to sample multiple channels in round-robin while servicing communications, and the single-wire BGND debug interface enables field calibration of sensor offsets without a full production programming setup.
推荐
推荐产品汇总
工程参考数据： MC9S08DV48ACLF ——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 | MC9S08DV32ACLF | MC9S08DV60ACLF | MC9S08DZ48ACLF |
|---|---|---|---|---|
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same |
| Brand | NXP Semiconductors (Freescale) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 48 KB | 32 KB | 60 KB | 48 KB |
| CPU Frequency | 40 MHz (20 MHz bus) | 40 MHz (20 MHz bus) | 40 MHz (20 MHz bus) | 40 MHz (20 MHz bus) |
| Best For | Balanced flash for CAN+LIN body modules | Cost-reduced builds with smaller firmware | Firmware growth headroom / diagnostics | Designs needing S08DZ peripheral set |
关键差异点
- Integrated CAN plus LIN master in one 8-bit MCU （对比 MC9S08DZ48ACLF)
- Fast 16-channel 12-bit ADC （对比 MC9S08DZ48ACLF)
- Flash headroom choice within one footprint （对比 MC9S08DV32ACLF)
设计说明
Budget the 2 KB RAM before writing application code. CAN message buffers, LIN master schedule tables, the ADC driver state, and the C call stack all share the same 2 KB. Compile with stack-depth analysis enabled, statically allocate only the CAN buffers in use, and avoid deep interrupt nesting. Overflow of this small RAM fails silently as stack corruption, which is one of the most common field failures on 8-bit MCUs of this class. Revisit the budget after every major firmware addition.
The 48-LQFP 7x7 mm package uses a 0.5 mm pin pitch, which is standard but requires solder-mask-defined pads per IPC-compliant footprints from the NXP package documentation. Place the single-wire background debug (BGND) header footprint on every production board even if unpopulated - it costs nothing and enables field firmware updates and fault diagnosis without removing the MCU. Keep the CAN and LIN transceiver traces short and provide a solid ground plane under the crystal and ADC input traces to protect the 12-bit converter's accuracy.
Estimated: this class of S08 MCU typically draws a few tens of milliamps at full 40 MHz operation from a 5 V or 3.3 V supply (exact values are in the manufacturer datasheet - do not design from this estimate). Decouple the VDD pins with 100 nF ceramics placed within 2 mm of each supply pin plus one bulk capacitor per board. If the design sleeps between CAN messages, verify wake-up latency against the LIN schedule tolerance, since low-power run modes change bus clock availability for the ADC.
Verify lifecycle risk before committing new designs: this Freescale-era part is supplied partly through legacy channels (Rochester Electronics per Hotenda and Globalspec listings), so confirm that your temperature grade and ordering suffix exist on the NXP active product page. For new designs needing long-term supply, evaluate NXP's current-generation MCUs with a migration plan rather than starting on a mature 8-bit family without a second-source strategy documented in your FMEA.
合规信息
Distributor listings (ETEI, DigiKey) indicate RoHS details; the 'C' ordering suffix denotes the compliant/lead-free package option in NXP's scheme. REACH, AEC-Q100 grade, and conflict-minerals status must be confirmed on the NXP product page compliance documentation.