User`s manual

1
1
2
2
3
3
4
4
5
5
A A
B B
C C
D D
E E
Enhanced Am486
Microprocessor
(SOCKET1-PGA169)
Tie CLKMUL pin to GND for AMD DX2-66
and AMD DX5-133; use 10K pullup for
AMD DX4-100
JTAG Connector
2
9
1
10
Top View
JTAG Connector
CPU.SCH
Am486 MICROPROCESSOR
PCI CUSTOMER DEVELOPMENT PLATFORM
Am486 MICROPROCESSOR, PULLUPS, AND JTAG INTERFACE
2.1
(C) Advanced Micro Devices, Inc. [phone]
5204 E. Ben White Blvd.
Austin, TX 78741
AMD Proprietary/All Rights Reserved
226 Friday, December 04, 1998
Title
Size Document Number Rev
Date: Sheet of
GD7
GD12
DP2
DP0
GD [0..31]
GD1
GA [2..31]
K2VCC
GD10
GD21
GD23
GD24
GD29
GD2
GD25
GD16
GD30
DP1
GD3
GD4
GD8
GD14
GD19
GD13
GD6
GD26
GD31
GD5
GD11
GD17
GD22
DP3
DP[0..3]
GD0
GD9
GD15
GD20
GD18
GD27
GD28
GA10
GA16
GA21
GA24
GA29
GA13
GA3
GA11
GA25
GA30
GA22
GA4
GA8
GA14
GA19
GA28
GA26
GA31
GA5
GA17
GA9
GA15
GA23
GA20
GA7
GA18
GA27
GA2
GA12
GA6
BEJ3
BEJ1
BEJ2
BEJ0
BE J[0..3]
GA29
GA30
GA26
GA31
GA24
GA27
GA25
GA28
CLKMUL
TCK
TDI
TDO
TMS
MIOJ
DCJ
WRJ
ADSJ
GA[2..31]
PCD
PULLHI1
FE RRJ
LOCKJ
HITMJ
BEJ[0..3]
WB-WT#
P24T5
SMIACKJ
SMIJ
PCHKJ
INTR
EADSJ
GD[0..31]
A20MJ
KENOJ
RDYOJ
BRDYOJ
IGNNEJ
BOFFJ
CPUVCC3
ZR STDRV
AHOLD
BS8J
BS16J
FLUSHJ
DP[0..3]
K2VCC
CPUCLK
NMI
STPCLKJ
HITMJ
CPURST
PC D_CACH
BLAST#
PULLHI1
HDLA
PWT
BREQ
INV
PLOCK#
VCC
VCC
VCC
VCC
C40
1000pF
P35
HEADER2X5; SHRD
12
34
56
78
910
R91
10K
R11
*10K
R13
10K
R148
0
RP1
10K-10P
2
3
4
5
6
7
8
9
1
10
O2
O3
O4
O5
O6
O7
O8
O9
C
O10
RP8
4.7K-10P
2
3
4
5
6
7
8
9
1
10
O2
O3
O4
O5
O6
O7
O8
O9
C
O10
U25
Am486-PGA
37
50
16
32
62
58
17
34
68
49
15
51
57
56
69
80
109
65
79
5
24 26 28 38 39 60 63 72 75 81 83 90 93 99 102 105 117 138 141 143 144 145 146 149
111
104
112
110
134
169
151
133
116
98
88
48
156 3 14 33
44 10 12 13 29
31
74
25
43
8
42
40
41
23
6
4
2
19
1
18
36
54
85
67
91
53
73
35
61
52
66
97
96
84
103
78
107
108
113
47
7 9 11 20 21 22 59 64 71 76 77 82 89 94 95 100 101 106 118 120 139 158 160 161 162 163 164 166
119
115
114
136
153
154
137
124
155
125
123
126
122
140
121
127
142
157
128
159
147
165
129
148
131
167
130
168
150
132
70
86
87
92
135
27
30
45
46
152
55
CLK
RESET
INTR
NMI
HOLD
BOFF#
AHOLD
EADS#
KEN#
FLUSH#
IGNNE#
BS16#
BS8#
A20M#
RDY#
BRDY#
DP0
DP1
DP2
DP3
VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC
INC(DX4VCC5)
VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC
M/IO#
D/C#
W/R#
LOCK#
PLOCK#
ADS#
BLAST#
BREQ
HLDA
PWT
PCD
FERR#
VOLDET(DX2NC) TCK TDI TDO
SRESET
INV(DX2INC)
HITM#(DX2INC)
INC
CACHE#(DX2INC)
TMS
STPCLK#
D31
D30
D29
D28
D27
D26
D25
D24
D23
D22
D21
D20
D19
D18
D17
D16
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
INC(DX2NC)
GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND
A31
A30
A29
A28
A27
A26
A25
A24
A23
A22
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
BE3#
BE2#
BE1#
BE0#
PCHK#
SMI#
WB/WT#(DX2INC)
UP#
SMIACT#
CLKMUL(DX2INC)
SKT1_NC