Микроконтроллеры

2-й вопрос - вот такие у него типы Data Types Bits Bytes Value Range bit† 1 0 to 1 signed char 8 1 -128 to +127 unsigned char 8 1 0 to 255 enum 8 / 16 1 or 2 -128 to +127 or –32768 to +32767 signed short 16 2 -32768 to +32767 unsigned short 16 2 0 to 65535 signed int 16 2 -32768 to +32767 unsigned int 16 2 0 to 65535 signed long 32 4 -2147483648 to +2147483647 unsigned long 32 4 0 to 4294967295 float 32 4 ±1.175494E-38 to ±3.402823E+38 sbit† 1 0 or 1 sfr† 8 1 0 to 255 sfr16† 16 2 0 to 65535 † The bit, sbit, sfr, and sfr16 data types are not provided in ANSI C and are unique to the Cx51 compiler. These data types are described in detail in the following sections.