82V2044BB IDT, Integrated Device Technology Inc, 82V2044BB Datasheet - Page 42
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82V2044BB
Manufacturer Part Number
82V2044BB
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82V2044BB.pdf
(61 pages)
Specifications of 82V2044BB
Screening Level
Industrial
Mounting
Surface Mount
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Not Compliant
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Table-21 Boundary Scan Register Description (Continued)
1.
2.
3.
4.3
24
the figure contains two main branches to access either the data or
Set to Logic 0.
Reserved output, do not test.
Set to Logic 1.
IDT82V2044
IEEE STD 1149.1 JTAG Test Access Port
shows its state diagram A description of each state follows. Note that
The TAP controller is a 16-state synchronous state machine.
Bit No.
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
TEST ACCESS PORT CONTROLLER
Bit Symbol
MODE0
MODE2
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
LOG0
LOG0
LOG0
LOG1
LOG0
LOG0
LOG0
LOG1
LOG1
LOG0
LOG0
LOG0
LOG1
LOG0
LOG0
LOG0
MCLK
CLKE
OE
A4
A3
A2
A1
A0
Pin Signal
MASK
MODE0
LOG0
LOG1
MODE2
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MASK
MCLK
LOG0
LOG0
LOG0
LOG0
LOG0
LOG1
CLKE
LOG1
LOG0
LOG0
LOG0
LOG1
LOG0
LOG0
LOG0
OE
A4
A3
A2
A1
A0
(1)
(3)
(2)
Type
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
-
I
I
I
-
I
I
-
I
I
I
-
I
I
I
I
I
I
I
I
I
I
Figure-
42
instruction registers. The value shown next to each state transition in
this figure states the value present at TMS at each rising edge of TCK.
Refer to
Table-22
QUAD T1/E1 SHORT HAUL LINE INTERFACE UNIT
for details of the state description.
Comments
September 22, 2005
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