S9S12P32J0VLH Datasheet/PDFEmbedded - Microcontrollers
The S9S12P32J0VLH microcontroller is part of the S12 family of processors from Freescale Semiconductor. The S12 processors are based on a 16-bit, low-power architecture and possess a dedicated set of operations that are optimized for automotive and industrial control applications. The S9S12P32J0VLH offers a variety of features, such as a 32kbyte internal flash memory, 8kbytes of RAM, 8-channels of 10-bit A/D converters, two UARTs with IrDA support, and two SPI (Serial Peripheral Interface) ports. In addition, it also has a 6-channel timer unit, a 512-tail random access memory (RAM) and on-chip debug module.
Applications for the S9S12P32J0VLH Microcontroller range from automotive fuel gauges and communication systems, to industrial automation and sensor monitoring. It is designed to offer a high level of integration, enabling engineers to reduce cost and minimize board size.
Working Principle
The S9S12P32J0VLH Core is based on the HCS12 16-bit CPU and is optimized for low-power operation. It includes a powerful set of instructions, data transfers, and includes a wide range of debug and programming tools. The core has an 8-bit address bus, so it can access up to 512 Kbytes of memory. The S12 processor also supports a variety of interrupt handling, including four-level priority interrupts and queuing of interrupts.
The S9S12P32J0VLH contains an internal flash memory which can be used to store both user program code and data. It has a four-stage pipeline architecture to help improve the instruction execution time, and this combined with the highly optimized instruction set means that the S9S12P32J0VLH can execute code quickly. The internal flash memory supports 8-, 16-, 32- and 64-bit variables.
The S9S12P32J0VLH also includes a number of peripheral modules, including two SPI ports, two UARTs, 6-channel timer units and 8-channel A/D converters. The peripheral modules, combined with the powerful instruction set, means that the microcontroller can support a wide range of applications. For example, the two SPI ports can be used for low-level communication between two microcontrollers, while the 6-channel timer units can be used to accurately measure time intervals.
The S9S12P32J0VLH also has on-chip debug module which allows a developer to debug their programs in real-time. It supports a wide range of debugging techniques, including breakpoints, watch points, register display and instruction tracing. The on-chip debug module has support for real-time debugging of program code, which makes debugging and application development faster and easier.
The S9S12P32J0VLH is designed to be cost-effective and is suitable for a wide range of applications. It offers a high-level of integration and is capable of executing programs quickly and accurately. The powerful instruction set, combined with the on-chip debug module, makes it an ideal choice for automotive and industrial control applications.