USB 2.0 Peripheral Controller, 48MHz, 8051, 16KB RAM, SSOP
8051 Microcontroller, 24MHz, 16KB RAM, SSOP-56
8-Bit 8051 USB Controller, 48MHz, 16KB RAM, SSOP
56-Pin SSOP USB Peripheral Controller, I2C/UART, Full/High Speed, 0-70°C
