Boundary scan control bits table 34-4 – Maxim Integrated DS21Q55 User Manual
Page 206
Product Preview
DS21Q55
206 of 248
012103
Please contact
or search
http://www.maxim-ic.com
for updated
information.
BOUNDARY SCAN CONTROL BITS Table 34-4
NXA = Not Externally Available
BIT
PIN
SYMBOL
TYPE
CONTROL BIT DESCRIPTION
2
1
RCHBLK
O
2
JTMS
I
1
3
BPCLK
O
4
JTCLK
I
5
JTRST
I
0
6
RCL
(NXA)
O
7
JTDI
I
77
8
UOP0 (NXA)
O
76
9
UOP1 (NXA)
O
10
JTDO
O
75
11
BTS
I
74
12
LIUC
I
73
13
8XCLK (NXA)
O
72
14
TSTRST
I
71
15
UOP2 (NXA)
O
16
RTIP
I
17
RRING
I
18
RV
DD
–
19
RV
SS
–
20
RV
SS
–
21
MCLK
I
22
XTALD (NXA)
O
70
23
UOP3 (NXA)
O
24
RV
SS
–
69
25
INT
O
26
N/C
–
27
N/C
–
28
N/C
–
29
TTIP
O
30
TV
SS
–
31
TV
DD
–
32
TRING
O
68
33
TCHBLK
O
67
34
TLCLK
O
66
35
TLINK
I
65
-
ESIBS0.cntl
-
0 = ESIBS0 is an input; 1 = ESIBS0 is an output
64
36
ESIBS0
I/O
63
–
TSYNC.cntl
–
0 = TSYNC is an input; 1 = TSYNC is an output
62
37
TSYNC
I/O
61
38
TPOSI
I
60
39
TNEGI
I
59
40
TCLKI
I
58
41
TCLKO
O
57
42
TNEGO
O
56
43
TPOSO
O
44
DV
DD
–
45
DV
SS
–
55
46
TCLK
I
54
47
TSER
I