Número de pieza	Fabricante / Marca	Breve descripción
TW05B	MICREL / MICROCHIP	TW05B MICREL TQFP32P
TW05C	MICREL / MICROCHIP	TW05C MICREL TQFP32P
TWC05B	MICREL / MICROCHIP	TWC05B MICREL ORIGINAL
TWC05C	MICROCHIP	TWC05C MICROCHIP IC TQFP32
TWI2	ATMEL / MICROCHIP	32-bit Embedded ASIC Core Peripheral IC