DS21354/DS21554 3.3V/5V E1 Single-Chip Transceivers
97 of 124
Table 16-4. Boundary Scan Control Bits
BIT PIN NAME TYPE
2 1 RCHBLK O
— 2 JTMS
I
1 3 8MCLK O
— 4 JTCLK I
— 5 JTRST I
0 6 RCL O
—
7 JTDI I
—
8 N.C. —
—
9 N.C. —
—
10 JTDO O
72 11 BTS
I
71 12 LIUC
I
70 13 8XCLK O
69 14 TEST
I
68 15 N.C.
—
—
16 RTIP I
—
17 RRING I
—
18 RVDD
—
—
19 RVSS
—
—
20 RVSS —
—
21 MCLK I
—
22 XTALD O
67 23 N.C.
—
— 24 RVSS
—
66 25 INT
O
—
26 N/C
—
—
27 N/C
—
—
28 N/C
—
—
29 TTIP O
—
30 TVSS
—
—
31 TVDD
—
—
32 TRING O
65 33 TCHBLK O
64 34 TLCLK O
63 35 TLINK I
BIT PIN NAME TYPE
62 36
CI
I
61 —
TSYNC.
cntl
(Note 1)
—
60 37 TSYNC I/O
59 38 TPOSI
I
58 39 TNEGI I
57 40 TCLKI
I
56 41 TCLKO O
55 42 TNEGO O
54 43 TPOSO O
—
44 DVDD
—
—
45 DVSS
—
53 46 TCLK
I
52 47 TSER
I
51 48 TSIG
I
50 49 TESO
O
49 50 TDATA I
48 51 TSYSCLK I
47 52 TSSYNC I
46 53 TCHCLK O
45 54
CO
O
44 55 MUX
I
43 –
BUS.cntl
(Note 2)
—
42 56 D0/AD0 I/O
41 57 D1/AD1 I/O
40 58 D2/AD2 I/O
39 59 D3/AD3 I/O
— 60 DVSS
—
— 61 DVDD
—
38 62 D4/AD4 I/O
37 63 D5/AD5 I/O
36 64 D6/AD6 I/O
35 65 D7/AD7 I/O
34 66
A0
I
33 67
A1
I
32 68
A2
I
31 69
A3
I
30 70
A4
I
BIT PIN NAME TYPE
29 71
A5
I
28 72
A6
I
27 73
ALE
(AS)/A7
I
26 74
RD
(
DS
) I
25 75
CS
I
24 76 FMS
I
23 77
WR
(R/
W
) I
22 78 RLINK O
21 79 RLCLK O
— 80 DVSS —
— 81 DVDD —
20 82 RCLK O
— 83 DVDD
—
— 84 DVSS
—
19 85 RDATA O
18 86 RPOSI
I
17 87 RNEGI I
16 88 RCLKI I
15 89 RCLKO O
14 90 RNEGO O
13 91 RPOSO O
12 92 RCHCLK O
11 93 RSIGF O
10 94 RSIG
O
9 95 RSER O
8 96 RMSYNC O
7 97 RFSYNC O
6 —
RSYNC.
cntl
(Note 3)
—
5 98 RSYNC I/O
4 99
RLOS/
LOTC
O
3 100
RSYSCLK I
Note 1:
0 = TSYNC an input; 1 = TSYNC an output.
Note 2:
0 = D0–D7/AD0–AD7 are inputs; 1 = D0–D7/AD0–AD7 are outputs.
Note 3:
0 = RSYNC an input; 1 = RSYNC an output.
