| 0 | 000 | 00 | 00000000 | � | N/A | _NUL_ | Null byte/character | 1 | 001 | 01 | 00000001 |  | N/A | _SOH_ | Start of heading | 2 | 002 | 02 | 00000010 |  | N/A | _STX_ | Start of text | 3 | 003 | 03 | 00000011 |  | N/A | _ETX_ | End text | 4 | 004 | 04 | 00000100 |  | N/A | _EOT_ | End of transmission | 5 | 005 | 05 | 00000101 |  | N/A | _ENQ_ | Enquiry | 6 | 006 | 06 | 00000110 |  | N/A | _ACK_ | Acknowledgement | 7 | 007 | 07 | 00000111 |  | N/A | _BEL_ | Terminal bell | 8 | 010 | 08 | 00001000 |  | N/A | _BS_ | Backspace | 9 | 011 | 09 | 00001001 | 	 | N/A | _HT_ | Horizontal tab (`\t`) | 10 | 012 | 0a | 00001010 | 
 | N/A | _LF_ | Line feed (`\n`) | 11 | 013 | 0b | 00001011 |  | N/A | _VT_ | Vertical tab | 12 | 014 | 0c | 00001100 |  | N/A | _FF_ | Form feed | 13 | 015 | 0d | 00001101 | 
 | N/A | _CR_ | Carriage return (`\r`) | 14 | 016 | 0e | 00001110 |  | N/A | _SO_ | Shift out (`X-ON`) | 15 | 017 | 0f | 00001111 |  | N/A | _SI_ | Shift in (`X-OFF`) | 16 | 020 | 10 | 00010000 |  | N/A | _DLE_ | Data line escape | 17 | 021 | 11 | 00010001 |  | N/A | _DC1_ | Device control 1 (`XON`) | 18 | 022 | 12 | 00010010 |  | N/A | _DC2_ | Device control 2 | 19 | 023 | 13 | 00010011 |  | N/A | _DC3_ | Device control 3 (`XOFF`) | 20 | 024 | 14 | 00010100 |  | N/A | _DC4_ | Device control 4 | 21 | 025 | 15 | 00010101 |  | N/A | _NAK_ | Negative acknowledgement | 22 | 026 | 16 | 00010110 |  | N/A | _SYN_ | Synchronous idle | 23 | 027 | 17 | 00010111 |  | N/A | _ETB_ | End transmit block | 24 | 030 | 18 | 00011000 |  | N/A | _CAN_ | Cancel | 25 | 031 | 19 | 00011001 |  | N/A | _EM_ | End medium | 26 | 032 | 1a | 00011010 |  | N/A | _SUB_ | Substitute | 27 | 033 | 1b | 00011011 |  | N/A | _ESC_ | Escape | 28 | 034 | 1c | 00011100 |  | N/A | _FS_ | File separator | 29 | 035 | 1d | 00011101 |  | N/A | _GS_ | Group separator | 30 | 036 | 1e | 00011110 |  | N/A | _RS_ | Record Separator | 31 | 037 | 1f | 00011111 |  | N/A | _US_ | Unit Separator