Datasheet

DS21352/DS21552
105 of 137
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 – 0 = D0-D7/AD0-AD7 are inputs
1 = D0-D7/AD0-AD7 are outputs
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
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 –
Table 19-4 BOUNDARY SCAN CONTROL BITS (cont.)
BIT PIN SYMBOL TYPE CONTROL BIT DESCRIPTION
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
995 RSER O
896 RMSYNC O