參數(shù)資料
型號(hào): USS-344
英文描述: USS-344 QuadraBus Four-Host PCI-to-USB OpenHCL Host Controller
中文描述: 號(hào),344 QuadraBus四主機(jī)的PCI到USB主機(jī)控制器OpenHCL
文件頁數(shù): 46/54頁
文件大?。?/td> 850K
代理商: USS-344
46
Agere Systems Inc.
Advance Data Sheet, Rev. 9
June 2001
Four-Host PCI-to-USB OpenHCI Host Controller
USS-344
QuadraBus
NAND Tree Mode
The USS-344 can be placed in a NAND tree mode of operation for board-level production testing. The NAND tree
is designed to allow board-level contact testing of inputs and bidirectional pins of the USS-344.
To activate the NAND tree in the USS-344, force pin 63 (TEST2) to a logic high and force pin 64 (TEST3) to a logic
low. Pins 62 and 61 (TEST1 and TEST0) may be high or low. No clocks are required. When this is performed, the
NAND tree will be active and follow the order of the map presented in Table 137. Figure 8 shows the NAND tree
logic structure. The test mode connection instructions should be followed to place the USS-344 in NAND tree
mode.
Table 137. NAND Tree
Order
Assignment
1 (Start)
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Pin
Number
81
83
75
76
77
78
79
89
90
91
92
95
96
97
98
101
102
103
104
105
108
109
110
111
113
115
116
119
120
121
122
125
126
127
128
3
4
5
6
7
Pin
Name
Order
Assignment
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
Output Pin
Pin
Number
10
11
12
13
16
17
18
19
22
23
24
25
26
29
30
31
32
35
36
37
38
41
42
43
44
47
48
49
50
53
54
55
56
67
68
69
70
71
72
Pin
Name
AD21
AD20
AD19
AD18
AD17
AD16
C/BEN2
FRAMEN
IRDYN
TRDYN
DEVSELN
STOPN
PERRN
SERRN
PAR
C/BEN1
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD8
C/BEN0
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
MIRQ12I
KIRQ1I
A20I
A20MN
IRQ1
IRQ12
CLK48STOP
XLO/CLK48
SMIN
PRTPWR0
PWRFLT0N
PRTPWR1
PWRFLT1N
DPLS0
DMNS0
DPLS1
DMNS1
DPLS2
DMNS2
DPLS3
DMNS3
PRTPWR2
PWRFLT2N
PRTPWR3
PWRFLT3N
INTAN
INTBN
INTCN
INTDN
RSTN
CLK
GNTN
REQN
PMEN
AD31
AD30
AD29
AD28
AD27
AD26
AD25
AD24
C/BEN3
IDSEL
AD23
AD22
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