參數(shù)資料
型號： AM79C970
廠商： Advanced Micro Devices, Inc.
英文描述： PCnetTM-PCI Single-Chip Ethernet Controller for PCI Local Bus
中文描述： PCnetTM - PCI單芯片以太網(wǎng)控制器的PCI總線
文件頁數(shù)： 78/168頁
文件大?。?/td> 943K
代理商： AM79C970
P R E L I M I N A R Y
AMD
1-945
Am79C970
Pin 120 (
RST
) is the first input to the NAND tree. Pin 117
(
INTA
) is the second input to the NAND tree, followed by
pin 121 (CLK). All other PCI bus signals follow, counter-
clockwise, with pin 57 (AD0) being the last. Pins labeled
NC and all power supply pins are not part of the NAND
tree. Table 9 shows the complete list of pins connected
to the NAND tree.
Table 9. NAND Tree Configuration
NAND
Tree
Input #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
NAND
Tree
Input #
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
NAND
Tree
Input #
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
Pin #
120
117
121
123
126
128
129
131
132
2
3
5
6
7
10
12
13
Name
RST
INTA
CLK
GNT
REQ
AD31
AD30
AD29
AD28
AD27
AD26
AD25
AD24
C/
BE
3
IDSEL
AD23
AD22
Pin #
15
16
18
19
21
22
23
24
25
26
27
28
29
31
32
34
35
Name
AD21
AD20
AD19
AD18
AD17
AD16
C/
BE
2
FRAME
IRDY
TRDY
DEVSEL
STOP
LOCK
SERR
PAR
C/
BE
1
Pin #
36
38
39
40
41
42
44
45
47
48
49
51
52
53
54
56
57
Name
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD8
C/
BE
0
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
RST
must be asserted low to start a NAND tree test se-
quence. Initially, all NAND tree inputs except
RST
should be driven high. This will result in a high output at
the NOUT pin. If the NAND tree inputs are driven from
high to low in the same order as they are connected to
build the NAND tree, NOUT will toggle every time an ad-
ditional input is driven low. NOUT will change to a
ZERO, when
INTA
is driven low and all other NAND tree
inputs stay high. NOUT will toggle back to high, when
CLK is additionally driven low. The square wave will
continue until all NAND tree inputs are driven low.
NOUT will be high, when all NAND tree inputs are
drivenlow.
Note that some of the pins connected to the NAND tree
are outputs in normal mode of operation. They must not
be driven from an external source until the PCnet-PCI
controller is configured for NAND tree testing.
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AM79C970A 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:PCnet-PCI II Single-Chip Full-Duplex Ethernet Controller for PCI Local Bus Product
AM79C970AKC 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:PCnet-PCI II Single-Chip Full-Duplex Ethernet Controller for PCI Local Bus Product
AM79C970AKC\\W 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Advanced Micro Devices 功能描述:
AM79C970AKC\W 制造商:Rochester Electronics LLC 功能描述:- Bulk
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