ASCII Code
Chart
 Byte bit numbering
Byte bit numbering
Control Characters Symbols/Numerals Uppercase Letters Lowercase Letters
Note:
bit b7 is a zero,
in 7-bit ASCII.		 b6 0 0 0 0 1 1 1 1
b5 0 0 1 1 0 0 1 1
b4 0 1 0 1 0 1 0 1
b3 b2 b1 b0 HEX      0      1      2      3      4      5      6      7
0 0 0 0 0 NUL
0		 DLE
16		 SP
32		 0
48		 @
64		 P
80		 `
96		 p
112
0 0 0 1 1 SOH
1		 DC1
17		 !
33		 1
49		 A
65		 Q
81		 a
97		 q
113
0 0 1 0 2 STX
2		 DC2
18		 "
34		 2
50		 B
66		 R
82		 b
98		 r
114
0 0 1 1 3 ETX
3		 DC3
19		 #
35		 3
51		 C
67		 S
83		 c
99		 s
115
0 1 0 0 4 EOT
4		 DC4
20		 $
36		 4
52		 D
68		 T
84		 d
100		 t
116
0 1 0 1 5 ENQ
5		 NAK
21		 %
37		 5
53		 E
69		 U
85		 e
101		 u
117
0 1 1 0 6 ACK
6		 SYN
22		 &
38		 6
54		 F
70		 V
86		 f
102		 v
118
0 1 1 1 7 BEL
7		 ETB
23		 '
39		 7
55		 G
71		 W
87		 g
103		 w
119
1 0 0 0 8 BS
8		 CAN
24		 (
40		 8
56		 H
72		 X
88		 h
104		 x
120
1 0 0 1 9 HT
9		 EM
25		 )
41		 9
57		 I
73		 Y
89		 i
105		 y
121
1 0 1 0 A LF
10		 SUB
26		 *
42		 :
58		 J
74		 Z
90		 j
106		 z
122
1 0 1 1 B VT
11		 ESC
27		 +
43		 ;
59		 K
75		 [
91		 k
107		 {
123
1 1 0 0 C FF
12		 FS
28		 ,
44		 <
60		 L
76		 \
92		 l
108		 |
124
1 1 0 1 D CR
13		 GS
29		 -
45		 =
61		 M
77		 ]
93		 m
109		 }
125
1 1 1 0 E SO
14		 RS
30		 .
46		 >
62		 N
78		 ^
94		 n
110		 ~
126
1 1 1 1 F SI
15		 US
31		 /
47		 ?
63		 O
79		 _
95		 o
111		 DEL
127