Gaming Mouse HT68FB550 Characteristics 4K / 8K / 16K16 Flash ROM I/O type MCU 256 / 512 / 768 Bytes Data Memory USB 2.0 Full Speed Compatible Supports 4 / 6 / 8 Endpoints Supports 3.3V LDO and internal UDP 1.5K pull high 3.3V resistor Integrated HIRC 12MHz OSC with 0.25% accuracy for USB mode Timer Module PWM output mode used for driving RGB LEDs 2 Integrated Dual SPI and I C Serial Interfaces Supports In System Programming – ISP RGB Lighting RGB LED ADNS3050 Sensor HT68FB550 Application Areas Wired Gaming Mouse, Keyboard, Wireless USB Dongle, USB Toys, USB Key, USB Remote, TV Game Products, PC Peripheral Products, etc. Application Circuit HT68FB550 Circuit ADNS3050 Sensor Circuit USB Circuit RGB LED Lighting Circuit