Application Note - Character Conversion
Track 1 Character Set
Card Data
Character
Space
! (ND)
" (ND)
# (OG)
$
% (SS)
& (ND)
' (ND)
(
)
* (ND)
+ (ND)
, (ND)
.
/
0
1
2
3
4
5
6
7
8
9
: (ND)
; (ND)
< (ND)
= (ND)
> (ND)
? (ES)
P
1
0
0
1
0
1
1
0
0
1
1
0
1
0
0
1
0
1
1
0
1
0
0
1
1
0
0
1
0
1
1
0
ASCII
B6 B5 B4 B3 B2 B1
0 0 0 0 0 0
0 0 0 0 0 1
0 0 0 0 1 0
0 0 0 0 1 1
0 0 0 1 0 0
0 0 0 1 0 1
0 0 0 1 1 0
0 0 0 1 1 1
0 0 1 0 0 0
0 0 1 0 0 1
0 0 1 0 1 0
0 0 1 0 1 1
0 0 1 1 0 0
0 0 1 1 0 1
0 0 1 1 1 0
0 0 1 1 1 1
0 1 0 0 0 0
0 1 0 0 0 1
0 1 0 0 1 0
0 1 0 0 1 1
0 1 0 1 0 0
0 1 0 1 0 1
0 1 0 1 1 0
0 1 0 1 1 1
0 1 1 0 0 0
0 1 1 0 0 1
0 1 1 0 1 0
0 1 1 0 1 1
0 1 1 1 0 0
0 1 1 1 0 1
0 1 1 1 1 0
0 1 1 1 1 1
P0
20
21
22
23
24
25
26
27
28
29
2A
2B
2C
2D
2E
2F
30
31
32
33
34
35
36
37
38
39
3A
3B
3C
3D
3E
3F
P1
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
AA
AB
AC
AD
AE
AF
B0
B1
B2
B3
B4
B5
B6
B7
B8
B9
BA
BB
BC
BD
BE
BF
EP
A0
21
22
A3
24
A5
A6
27
28
A9
AA
2B
AC
2D
2E
AF
30
B1
B2
33
B4
35
36
B7
B8
39
3A
BB
3C
BD
BE
3F
Card Data
OP
20
A1
A2
23
A4
25
26
A7
A8
29
2A
AB
2C
AD
AE
2F
B0
31
32
B3
34
B5
B6
37
38
B9
BA
3B
BC
3D
3E
BF
Character
@ (ND)
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
[ (ND)
\ (ND)
] (ND)
^ (FS)
_ (ND)
P
0
1
1
0
1
0
0
1
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
0
0
1
1
0
1
0
0
1
ASCII
B6 B5 B4 B3 B2 B1
1 0 0 0 0 0
1 0 0 0 0 1
1 0 0 0 1 0
1 0 0 0 1 1
1 0 0 1 0 0
1 0 0 1 0 1
1 0 0 1 1 0
1 0 0 1 1 1
1 0 1 0 0 0
1 0 1 0 0 1
1 0 1 0 1 0
1 0 1 0 1 1
1 0 1 1 0 0
1 0 1 1 0 1
1 0 1 1 1 0
1 0 1 1 1 1
1 1 0 0 0 0
1 1 0 0 0 1
1 1 0 0 1 0
1 1 0 0 1 1
1 1 0 1 0 0
1 1 0 1 0 1
1 1 0 1 1 0
1 1 0 1 1 1
1 1 1 0 0 0
1 1 1 0 0 1
1 1 1 0 1 0
1 1 1 0 1 1
1 1 1 1 0 0
1 1 1 1 0 1
1 1 1 1 1 0
1 1 1 1 1 1
P0
40
41
42
43
44
45
46
47
48
49
4A
4B
4C
4D
4E
4F
50
51
52
53
54
55
56
57
58
59
5A
5B
5C
5D
5E
5F
P1
C0
C1
C2
C3
C4
C5
C6
C7
C8
C9
CA
CB
CC
CD
CE
CF
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
DA
DB
DC
DD
DE
DF
EP
C0
41
42
C3
44
C5
C6
47
48
C9
CA
4B
CC
4D
4E
CF
50
D1
D2
53
D4
55
56
D7
D8
59
5A
DB
5C
DD
DE
5F
OP
40
C1
C2
43
C4
45
46
C7
C8
49
4A
CB
4C
CD
CE
4F
D0
51
52
D3
54
D5
D6
57
58
D9
DA
5B
DC
5D
5E
DF
Track 2 and 3 Character Set
Card Data
Character
0
1
2
3
4
5
6
7
P
1
0
0
1
0
1
1
0
B4 B3 B2 B1
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
P = Parity
EP = Even Parity
OP = Odd Parity
P0 = Parity bit set to 0
P1 = Parity bit set to 1
SS = Start Sentinel
ES = End Sentinel
FS = Field Separator
ASCII
P0
30
31
32
33
34
35
36
37
P1
B0
B1
B2
B3
B4
B5
B6
B7
EP
30
B1
B2
33
B4
35
36
B7
Card Data
OP
B0
31
32
B3
34
B5
B6
37
Character
8
9
: (AS)
; (SS)
< (ND)
= (FS)
> (ND)
? (ES)
P
0
1
1
0
1
0
0
1
B4 B3 B2 B1
1 0 0 0
1 0 0 1
1 0 1 0
1 0 1 1
1 1 0 0
1 1 0 1
1 1 1 0
1 1 1 1
AS = Account Separator (Track 3 only)
ND = Character Not Defined by Credit Card Standards
OG = Optional Graphic
ASCII
P0
38
39
3A
3B
3C
3D
3E
3F
P1
B8
B9
BA
BB
BC
BD
BE
BF
EP
B8
39
3A
BB
3C
BD
BE
3F
OP
38
B9
BA
3B
BC
3D
3E
BF
Hex Character
A
B
C
D
E
F
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