CY7C1480V25
CY7C1482V25
CY7C1486V25
Document #: 38-05282 Rev. *H
Page 16 of 32
Scan Register Sizes
Register Name
Bit Size (x36)
Bit Size (x18)
Bit Size (x72)
Instruction
3
3
3
Bypass
1
1
1
ID
32
32
32
Boundary Scan Order – 165FBGA
73
54
-
Boundary Scan Order – 209BGA
-
-
112
Identification Codes
Instruction
Code
Description
EXTEST
000
Captures the IO ring contents.
IDCODE
001
Loads the ID register with the vendor ID code and places the register between TDI and
TDO. This operation does not affect SRAM operations.
SAMPLE Z
010
Captures the IO ring contents. Places the boundary scan register between TDI and TDO.
Forces all SRAM output drivers to a High-Z state.
RESERVED
011
Do Not Use: This instruction is reserved for future use.
SAMPLE/PRELOAD
100
Captures the IO ring contents. Places the boundary scan register between TDI and TDO.
Does not affect SRAM operation.
RESERVED
101
Do Not Use: This instruction is reserved for future use.
RESERVED
110
Do Not Use: This instruction is reserved for future use.
BYPASS
111
Places the bypass register between TDI and TDO. This operation does not affect SRAM
operations.
Boundary Scan Exit Order (2M x 36)
Bit #
165-Ball ID
Bit #
165-Ball ID
Bit #
165-Ball ID
Bit #
165-Ball ID
1
C1
21
R3
41
L10
61
B8
2
D1
22
P2
42
K11
62
A7
3
E1
23
R4
43
J11
63
B7
4
D2
24
P6
44
K10
64
B6
5
E2
25
R6
45
J10
65
A6
6
F1
26
N6
46
H11
66
B5
7
G1
27
P11
47
G11
67
A5
8
F2
28
R8
48
F11
68
A4
9
G2
29
P3
49
E11
69
B4
10
J1
30
P4
50
D10
70
B3
11
K1
31
P8
51
D11
71
A3
12
L1
32
P9
52
C11
72
A2
13
J2
33
P10
53
G10
73
B2
14
M1
34
R9
54
F10
15
N1
35
R10
55
E10
16
K2
36
R11
56
A10
17
L2
37
N11
57
B10
18
M2
38
M11
58
A9
19
R1
39
L11
59
B9
20
R2
40
M10
60
A8
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