S9S08DZ16F2MLC
S9S08DZ16F2MLC - 40MHz 16KB Flash MCU | NXP | Automotive
The NXP Semiconductors S9S08DZ16F2MLC is an 8-bit S08 automotive-qualified microcontroller with 40 MHz maximum clock frequency, 16 KB of Flash program memory, and a 32-pin LQFP package. It is designed for embedded automotive and industrial systems requiring deterministic control, mixed-signal measurement, and serial connectivity. Verified listings also identify CAN bus, I2C, LIN bus, SCI, SPI, an 8-bit ADC, low-voltage detection, power-on reset, PWM, watchdog, and 25 I/O pins.
A microcontroller is a programmable system-on-chip that executes firmware, reads inputs, controls outputs, and manages communication protocols. The S08 belongs to the 8-bit MCU -> embedded controller -> semiconductor hierarchy. Compared with more complex application processors, this device emphasizes compact code execution, real-time peripherals, and low-pin-count integration. Its automotive qualification makes it relevant to body, chassis, comfort, and industrial controller designs where operating-temperature robustness and interface breadth matter.
Verified source snippets identify a -40°C to +125°C operating range, 16 KB Flash, 4 KB RAM in the distributor overview, an 8-bit ADC, SCI, and SPI interfaces, plus CAN, I2C, LIN, PWM, watchdog, LVD, and POR functions. The 32-LQFP package measures 7 mm by 7 mm according to distributor data. These details support compact controller layouts with external sensing, communications, and actuator interfaces.
The part uses the NXP S08 8-bit core and supports embedded automotive communication environments. CAN and LIN connectivity are especially useful for distributed vehicle networks, while SCI and SPI allow connection to sensors, transceivers, displays, and external memory or digital peripherals. The ADC provides an analog measurement path where a dedicated external converter would otherwise be required.
Typical uses include automotive body-control modules, sensor nodes, motor or actuator controllers, HVAC interfaces, lighting controllers, and industrial embedded-control boards. Because it is an 8-bit MCU with 16 KB Flash, firmware size and interrupt latency should be checked early; applications requiring extensive protocol stacks, graphics, or large data storage may need a higher-capacity MCU.
For a new PCB, preserve the verified 32-pin LQFP footprint and validate the exact pin multiplexing, voltage domains, oscillator connections, and debug interface against the manufacturer datasheet. For an existing design, verify package pin compatibility, firmware dependencies, memory map, peripheral availability, and qualification requirements before approving any substitute.
This page combines verified distributor specifications, availability references, and design-oriented selection guidance. It intentionally distinguishes confirmed data from missing parameters and does not infer unreported electrical limits, pin names, or unqualified drop-in replacements.
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