29 / 41 page
MCS7840
USB-2.0 to Four Serial Ports
Rev.
1.2
Page 29
EEPROM Contents for MCS7840
(Example Contents)
EE_Check,
VID,
PID,
RN,
SER1_DRC0, SER1_DRC1, SER1_DRC2,
SER2_DRC0, SER2_DRC1, SER2_DRC2,
SER3_DRC0, SER3_DRC1, SER3_DRC2,
SER4_DRC0, SER4_DRC1, SER4_DRC2,
INTR_PG_FS,
INTR_PG_HS,
Language ID,
Manufacture ID,
M o
s C hip
4D 6F 73 43 68 69 70
Sem
i
c
o
n
d u
c
t
o
r
20 53 65 6D 69 63 6F 6E 64 75 63 74 6F 72
Product Name,
US
B
-
S
e
r
i
a
l
55 53 42 2D 53 65 72 69 61 6C
Co
n
t
r
o
l
l
e
r
20 43 6F 6E 74 72 6F 6C 6C 65 72
Serial Number
Location HEX ASCII
Location HEX
ASCII
Location HEX
ASCII
0
10
44
6D
m
88
61
a
1
97
4500
8900
2
10
46
69
i
90
6C
l
3
97
4700
9100
4
40
48
63
c
92
20
Space
5
78
4900
9300
6
01
50
6F
o
94
43
C
7
00
5100
9500
8
01
52
6E
n
96
6F
o
9
85
5300
9700
10
24
54
64
d
98
6E
n
11
01
55
00
99
00
12
80
56
75
u
100
74
t
13
24
57
00
101
00
14
01
58
63
c
102
72
r
15
80
59
00
103
00
16
24
60
74
t
104
6F
o
17
01
61
00
105
00
18
80
62
6F
o
106
6C
l
19
24
63
00
107
00
20
01
64
72
r
108
6C
l
21
05
65
00
109
00
22
09
66
20
Space
110
65
e
23
04
67
00
111
00
24
4D
M
68
20
Space
112
72
r
25
00
69
00
113
00
26
6F
o
70
20
Space
114
4D
M
27
00
71
00
115
00
28
73
s
72
55
U
116
6F
o
29
00
73
00
117
00
30
43
C
74
53
S
118
73
s
31
00
75
00
119
00
32
68
h
76
42
B
120
43
C
33
00
77
00
121
00
34
69
i
78
2D
-
122
68
h
35
00
79
00
123
00
36
70
p
80
53
S
124
69
i
37
00
81
00
125
00
38
20
Space
82
65
e
126
70
p
39
00
83
00
127
00
40
53
S
84
72
r
128
20
Space
41
00
85
00
129
00
42
65
e
86
69
i
43
00
87
00
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