MC9S08DV48CLF
MC9S08DV48CLF - 40MHz 8-Bit MCU with 48KB Flash | NXP
The NXP Semiconductors MC9S08DV48CLF is an 8-bit S08 microcontroller with a 40 MHz core, 48 KB of flash program memory, and a 48-LQFP package. The supplied distributor records identify 39 I/O pins, external-oscillator operation, tray packaging, and connectivity including CANbus, I²C, LINbus, SCI, and SPI. One distributor listing describes 48 KB flash with 4 KB RAM, while another indexed specification reports 2 KB RAM, so RAM capacity must be confirmed against the authoritative NXP datasheet before design release.
A microcontroller is a programmable semiconductor that integrates a CPU, nonvolatile program memory, data memory, I/O, and peripherals on one device. The S08 family belongs to the 8-bit embedded-microcontroller hierarchy, where software controls sensors, communication links, actuators, and user interfaces. Compared with a discrete processor design, an integrated MCU reduces board area and simplifies firmware-driven control. The MC9S08DV48CLF is therefore positioned for embedded industrial control rather than host computing or high-bandwidth data processing.
The verified data highlights a 40 MHz processor, 48K × 8 flash organization, 39 I/O, and a 7 mm × 7 mm 48-LQFP package. Indexed connectivity includes CANbus, I²C, LINbus, SCI, and SPI, while peripheral records identify low-voltage detection, power-on reset, PWM, and a watchdog timer. These interfaces support distributed control, sensor acquisition, actuator timing, and service diagnostics. Exact pin assignments, electrical limits, memory-map details, and peripheral performance are not present in the supplied excerpts.
The part belongs to the MC9S08DV family, for which the search results reference the MC9S08DV60 series datasheet and an addendum document number MC9S08DV60. No manufacturer-hosted datasheet URL or full technical table was supplied, so voltage range, clock configuration, timing, memory, and absolute-maximum ratings remain unverified here. A search result also reports a 20 MHz bus, but that statement conflicts with the verified 40 MHz CPU listing and should not be treated as a settled specification.
Typical application themes are industrial equipment, automotive or transportation nodes, communications modules, motor-control peripherals, and compact embedded controllers. CANbus and LINbus are especially relevant to automotive and industrial networks, while SPI and SCI support sensors, displays, storage, and external transceivers. PWM can drive motor, valve, lamp, or power-converter control stages when paired with suitable external drivers.
Design begins by confirming the exact NXP datasheet revision, pin multiplexing, alternate-function mappings, and peripheral electrical limits. Because the listed package is a 48-LQFP, PCB layout should provide fine-pitch escape routing and verify exposed-pad or thermal requirements only after checking the package drawing. Clock and memory settings must be established through the relevant reset and clock configuration procedures rather than inferred from distributor summaries.
This page consolidates verified distributor specifications, availability indicators, source links, and practical planning guidance while clearly separating confirmed facts from missing datasheet parameters. It also explains source conflicts around RAM and clock values, preventing a summary listing from being mistaken for a complete component specification.
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