Data Types

  MPLAB TMS320 C++ Java C#
bool - - 8   8
byte - - - 8 8
sbyte - - - 8 8
char, signed char 8 16 8 16 16
unsigned char 8 16 8 16 -
short 16 16 16 16 16
unsigned short 16 16 16 16 16
int 16 16 32 32 32
unsigned int 16 16 32 32 32
long 32 32 32 64 64
unsigned long 32 32 32 64 64
long long 64 - 64   -
unsigned long long 64 - 64   -
float 32 32 32 32 32
double 32 32 32 64 64
long double 64 32 64   -
decimal - - -   128

INTEGER DATA TYPES MPLAB C30

Type Bits Min Max
char, signed char 8 -128 127
unsigned char 8 0 255
short, signed short 16 -32768 32767
unsigned short 16 0 65535
int, signed int 1 6 -32768 32767
unsigned int 16 0 65535
long, signed long 32 -2^31 2^31 - 1
unsigned long 32  0 2^32 - 1
long long**, signed long long** 64 -2^63 2^63 - 1
unsigned long long** 64 0 2^64 - 1

** ANSI-89 extension


FLOATING POINT DATA TYPES MPLAB C30

Type Bits E Min  E Max  N Min  N Max
float 32 -126 127 2^-126 2^128
double* 32 -126 127  2^-126 2^128
long double 64 -1022 1023  2^-1022 2^1024

E = Exponent
N = Normalized (approximate)
* double is equivalent to long double if -fno-short-double is used.