This enables LSI chip to be reprogrammed at a user-site while mounted on a board. The flash memory can be programmed with a programmer that supports programming of his LSI, and can also be programmed and erased by software. The version of on-chip ROM is F-ZTATTM (Flexible Zero Turn Around Time)* that includes flash memory. These on-chip functions significantly reduce costs of designing and manufacturing application systems. This LSI also provides an external memory access support function to enable direct connection to various memory devices or peripheral LSIs. In addition, this LSI includes on-chip peripheral functions necessary for system configuration, such as large-capacity ROM and RAM, a data transfer controller (DTC), timers, a serial communication interface (SCI), a synchronous serial communication unit, an A/D converter, an nterrupt controller (INTC), I/O ports, and controller area network (RCAN-ET). With this CPU, it has become possible to assemble low-cost, high-performance, and high-functioning systems, even for applications that were previously impossible with microcomputers, such as real-time control, which demands high speeds. In addition, he 32-bit internal-bus architecture enhances data processing power. Most instructions can be executed in one state (one system clock cycle), which greatly improves instruction execution speed. ![]() The CPU in this LSI has a RISC-type instruction set. This LSI is a single-chip RISC (Reduced Instruction Set Computer) microcomputer that integrates a Renesas Technology original RISC CPU core with peripheral functions required for system configuration.
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