The ATF1502AS-15JI is an 8-bit CMOS Flash microcontroller manufactured by Microchip Technology. It is a low-cost, low-power device designed for embedded applications. The ATF1502AS-15JI is based on the Atmel AVR architecture and consists of 8K bytes of In-System Programmable Flash memory, 128 bytes of SRAM and 32 bytes of EEPROM. It also has an 8-bit Timer/Counter with three PWM channels, an 8-channel 10-bit A/D converter, an SPI serial port, an UART serial port, an I2C serial port, and an I/O port with up to 32 programmable I/O pins. The ATF1502AS-15JI operates at a clock frequency of 3.69 MHz and can be powered by a single 3V to 5.5V power supply. It has an operating temperature range of -40°C to 85°C, and a maximum current consumption of 2.4mA. The ATF1502AS-15JI is suitable for a variety of applications such as consumer electronics, industrial control, automotive, and medical equipment. It is also suitable for applications where low power consumption and small size are important. In summary, the ATF1502AS-15JI is an 8-bit CMOS Flash microcontroller designed for embedded applications. It has 8K bytes of In-System Programmable Flash memory, 128 bytes of SRAM and 32 bytes of EEPROM. It also has an 8-bit Timer/Counter with three PWM channels, an 8-channel 10-bit A/D converter, an SPI serial port, an UART serial port, an I2C serial port, and an I/O port with up to 32 programmable I/O pins. It operates at a clock frequency of 3.69 MHz and can be powered by a single 3V to 5.5V power supply. It is suitable for applications such as consumer electronics, industrial control, automotive, and medical equipment.