This paper presents the development of a single-chip microprocessor that integrates both electronic and photonic components, enabling direct optical communication with external devices. The chip, fabricated using a standard 45 nm CMOS process, features over 70 million transistors and 850 photonic components, including an electro-optic modulator and photodetector. The microprocessor, based on the RISC-V instruction set architecture, communicates with a 1 MB static random access memory (SRAM) bank via optical links, achieving a full-duplex communication rate of 2.5 Gb/s. The optical links are designed to operate at a wavelength of 1183 nm, using silicon-germanium photodetectors and a silicon microring resonator modulator. The chip's thermal tuning circuitry ensures stable operation despite temperature variations, and the system demonstrates robust performance in various tests, including memory access and program execution. This work marks a significant advancement in the integration of electronics and photonics, potentially revolutionizing computing system architecture and enabling more powerful computers in various applications.This paper presents the development of a single-chip microprocessor that integrates both electronic and photonic components, enabling direct optical communication with external devices. The chip, fabricated using a standard 45 nm CMOS process, features over 70 million transistors and 850 photonic components, including an electro-optic modulator and photodetector. The microprocessor, based on the RISC-V instruction set architecture, communicates with a 1 MB static random access memory (SRAM) bank via optical links, achieving a full-duplex communication rate of 2.5 Gb/s. The optical links are designed to operate at a wavelength of 1183 nm, using silicon-germanium photodetectors and a silicon microring resonator modulator. The chip's thermal tuning circuitry ensures stable operation despite temperature variations, and the system demonstrates robust performance in various tests, including memory access and program execution. This work marks a significant advancement in the integration of electronics and photonics, potentially revolutionizing computing system architecture and enabling more powerful computers in various applications.