8051 SoC, 48-Pin QFN, CMOS, 8MHz, SPI/UART, 3.3/5V
8051 SoC, 8MHz, 100-Pin TQFP EP, CMOS, 3.3/5V, SPI/UART
Single-Chip I2C/SPI Bridge, 128Kbps, 18V, 30mA, TQFP
