386SX
386DX (PGA)
486SX ~ DX4
486DX4 ~ 5x86
386SX Pin Assignment
| Pin |
Signal |
Pin |
Signal |
Pin |
Signal |
Pin |
Signal |
| 1 |
D0 |
26 |
LOCK# |
51 |
A2 |
76 |
A21 |
| 2 |
Vss |
27 |
NC |
52 |
A3 |
77 |
Vss |
| 3 |
HLDA |
28 |
FLT# |
53 |
A4 |
78 |
Vss |
| 4 |
HOLD |
29 |
NC |
54 |
A5 |
79 |
A22 |
| 5 |
Vss |
30 |
NC |
55 |
A6 |
80 |
A23 |
| 6 |
NA# |
31 |
NC |
56 |
A7 |
81 |
D15 |
| 7 |
READY# |
32 |
Vcc |
57 |
Vcc |
82 |
D14 |
| 8 |
Vcc |
33 |
RESET |
58 |
A8 |
83 |
D13 |
| 9 |
Vcc |
34 |
BUSY# |
59 |
A9 |
84 |
Vcc |
| 10 |
Vcc |
35 |
Vss |
60 |
A10 |
85 |
Vss |
| 11 |
Vss |
36 |
ERROR# |
61 |
A11 |
86 |
D12 |
| 12 |
Vss |
37 |
PEREQ |
62 |
A12 |
87 |
D11 |
| 13 |
Vss |
38 |
NMI |
63 |
Vss |
88 |
D10 |
| 14 |
Vss |
39 |
Vcc |
64 |
A13 |
89 |
D9 |
| 15 |
CLK2 |
40 |
INTR |
65 |
A14 |
90 |
D8 |
| 16 |
ADS# |
41 |
Vss |
66 |
A15 |
91 |
Vcc |
| 17 |
BLE# |
42 |
Vcc |
67 |
Vss |
92 |
D7 |
| 18 |
A1 |
43 |
NC |
68 |
Vss |
93 |
D6 |
| 19 |
BHE# |
44 |
NC |
69 |
Vcc |
94 |
D5 |
| 20 |
NC |
45 |
NC |
70 |
A16 |
95 |
D4 |
| 21 |
Vcc |
46 |
NC |
71 |
Vcc |
96 |
D3 |
| 22 |
Vss |
47 |
NC |
72 |
A17 |
97 |
Vcc |
| 23 |
M/IO# |
48 |
Vcc |
73 |
A18 |
98 |
Vss |
| 24 |
D/C# |
49 |
Vss |
74 |
A19 |
99 |
D2 |
| 25 |
W/R# |
50 |
Vss |
75 |
A20 |
100 |
D1 |
386DX (PGA) Pin Assignment
| Pin |
Signal |
Pin |
Signal |
Pn |
Signal |
Pin |
Signal |
Pin |
Signal |
Pin |
Signal |
| A1 |
Vcc |
B9 |
BUSY# |
D3 |
A9 |
H1 |
A17 |
L13 |
D8 |
N7 |
Vcc |
| A2 |
Vss |
B10 |
W/R# |
D12 |
Vcc |
H2 |
A18 |
L14 |
D6 |
N8 |
D23 |
| A3 |
A3 |
B11 |
Vss |
D13 |
NA# |
H3 |
A19 |
M1 |
A26 |
N9 |
D21 |
| A4 |
NC |
B12 |
NC |
D14 |
HOLD |
H12 |
D0 |
M2 |
A29 |
N10 |
D17 |
| A5 |
Vcc |
B13 |
BE2# |
E1 |
A14 |
H13 |
D1 |
M3 |
Vcc |
N11 |
D16 |
| A6 |
Vss |
B14 |
Vss |
E2 |
A13 |
H14 |
D2 |
M4 |
Vss |
N12 |
D12 |
| A7 |
Vcc |
C1 |
A8 |
E3 |
A12 |
J1 |
A20 |
M5 |
D31 |
N13 |
D11 |
| A8 |
ERROR# |
C2 |
A7 |
E12 |
BE0# |
J2 |
Vss |
M6 |
D28 |
N14 |
D9 |
| A9 |
Vss |
C3 |
A6 |
E13 |
NC |
J3 |
Vss |
M7 |
Vcc |
P1 |
A30 |
| A10 |
Vcc |
C4 |
A2 |
E14 |
ADS# |
J12 |
Vss |
M8 |
Vss |
P2 |
Vcc |
| A11 |
D/C# |
C5 |
Vcc |
F1 |
A15 |
J13 |
Vss |
M9 |
D20 |
P3 |
D30 |
| A12 |
MI/O# |
C6 |
NC |
F2 |
Vss |
J14 |
D3 |
M10 |
Vss |
P4 |
D29 |
| A13 |
BE3# |
C7 |
NC |
F3 |
Vss |
K1 |
A21 |
M11 |
D15 |
P5 |
D26 |
| A14 |
Vcc |
C8 |
PEREQ |
F12 |
CLK2 |
K2 |
A22 |
M12 |
D10 |
P6 |
Vss |
| B1 |
Vss |
C9 |
RESET |
F13 |
NC |
K3 |
A25 |
M13 |
Vcc |
P7 |
D24 |
| B2 |
A5 |
C10 |
LOCK# |
F14 |
Vss |
K12 |
D7 |
M14 |
HLDA |
P8 |
Vcc |
| B3 |
A4 |
C11 |
Vss |
G1 |
A16 |
K13 |
D5 |
N1 |
A27 |
P9 |
D22 |
| B4 |
NC |
C12 |
Vcc |
G2 |
Vcc |
K14 |
D4 |
N2 |
A31 |
P10 |
D19 |
| B5 |
Vss |
C13 |
BE1# |
G3 |
Vcc |
L1 |
A23 |
N3 |
Vss |
P11 |
D18 |
| B6 |
NC |
C14 |
BS16# |
G12 |
Vcc |
L2 |
A24 |
N4 |
Vcc |
P12 |
D14 |
| B7 |
INTR |
D1 |
A11 |
G13 |
READY# |
L3 |
A28 |
N5 |
D27 |
P13 |
D13 |
| B8 |
NMI |
D2 |
A10 |
G14 |
Vcc |
L12 |
Vcc |
N6 |
D25 |
P14 |
Vss |
486 Pin Assignment
|
SX |
DX/DX2 |
ODP |
AM DX2 *1 |
i486DX4 |
DX4ODP |
AMD DX4 |
CxDX2 |
| A3 |
NC |
TCK |
NC |
TCK |
TCK |
NC |
TCK |
NC |
| A10 |
NC |
NC |
|
NC |
NC ** |
NC |
NC |
SUSPA# |
| A12 |
NC |
NC |
|
NC |
NC |
NC |
NC |
SMI# |
| A13 |
NC |
NC |
FERR# |
NC |
NC |
FERR# |
NC |
RPLSET1 |
| A14 |
NC |
TDI |
NC |
TDI |
TDI |
NC |
TDI |
NC |
| A15 |
NMI |
IGNNE# |
IGNNE# |
|
IGNNE# |
IGNNE# |
|
|
| B10 |
NC |
NC |
|
NC |
SMI# |
SMI# |
NC |
NC |
| B13 |
NC |
NC |
|
CLKMUL *2 |
NC |
NC |
CLKMUL *2 |
|
| B14 |
NC |
TMS |
UP# Out |
TMS |
TMS |
UP# Out |
TMS |
|
| B15 |
NC |
NMI |
NMI |
|
NMI |
NMI |
|
|
| B16 |
NC |
TDO |
NC |
TDO |
TDO |
NC |
TDO |
|
| C3 |
CLM |
CLK |
CLK |
|
CLK |
CLK |
|
|
| C10 |
NC |
NC |
|
NC |
SRESET |
NC |
NC |
SMADS |
| C11 |
NC |
UP# In |
NC |
|
UP# |
NC |
|
|
| C12 |
NC |
NC |
|
NC |
SMIACT# |
SMIACT# |
NC |
RPLSET0 |
| C13 |
NC |
NC |
|
NC |
NC |
NC |
NC |
RPLVAL# |
| C14 |
NC |
FERR# |
NC |
|
FERR# |
NC |
|
|
| G15 |
NC |
NC |
NC |
NC |
STPCLK# |
STPCLK# |
NC |
SUSP# |
| J1 |
VCC |
VCC |
|
|
VCC5 |
VCC5 |
NC |
NC |
| R17 |
NC |
NC |
NC |
|
CLKMUL*2 |
CLKMUL *2 |
NC |
|
| S4 |
NC |
NC |
NC |
VOLDET |
VOLDET |
VOLDET |
VOLDET |
INVAL |
| D4 |
--- |
--- |
KEY |
--- |
--- |
KEY |
--- |
--- |
|
SX |
SX |
ODP |
AM DX2 *1 |
i486DX4 |
DX4ODP |
AMD DX4 |
CxDX2 |
*1 AMD DX2 3.3V PART
*2 to Vss: 2x, NC=Open (Internally Pull-Up): 3x
(AMD DX2 5V part does not have CLKMUL pin)
486 Pin Assignment (2)
|
i486DX4 |
DX4ODP |
AM DX4 |
AM 5x86 |
CxDX2 |
CxDX4 |
ST5x86 |
| A3 |
TCK |
NC |
TCK |
TCK |
NC |
|
TCK |
| A10 |
NC ** |
NC |
NC |
INV |
SUSPA# |
|
INVAL |
| A12 |
NC |
NC |
NC |
HITM |
SMI# |
|
HITM# |
| A13 |
NC |
FERR# |
NC |
NC |
RPLSET1 |
|
SUSPA# |
| A14 |
TDI |
NC |
TDI |
TDI |
NC |
|
TDI |
| A15 |
IGNNE# |
IGNNE# |
|
IGNNE# |
|
|
IGNNE# |
| B10 |
SMI# |
SMI# |
NC |
SMI# |
NC |
|
SMI# |
| B13 |
NC |
NC |
CLKMUL *2 |
WB/WT |
|
|
NC |
| B14 |
TMS |
UP# Out |
TMS |
TMS |
|
|
TMS |
| B15 |
NMI |
NMI |
|
NMI |
|
|
NMI |
| B16 |
TDO |
NC |
TDO |
TDO |
|
|
TDO |
| C3 |
CLK |
CLK |
|
CLK |
|
|
CLK |
| C10 |
SRESET |
NC |
NC |
SRESET |
SMADS |
|
WM_RSET |
| C11 |
UP# |
NC |
|
UP# |
|
|
UP# |
| C12 |
SMIACT# |
SMIACT# |
NC |
SMIACT |
RPLSET0 |
|
SMADS |
| C13 |
NC |
NC |
NC |
NC |
RPLVAL# |
|
NC |
| C14 |
FERR# |
NC |
|
FERR# |
|
|
FERR# |
| G15 |
STPCLK# |
STPCLK# |
NC |
STPCLK# |
SUSP# |
|
SUSP# |
| J1 |
VCC5 |
VCC5 |
NC |
NC |
NC |
|
NC |
| R17 |
CLKMUL*2 |
CLKMUL *2 |
NC |
CLKMULT *3 |
|
|
CLKMULT |
| S4 |
VOLDET |
VOLDET |
VOLDET |
VOLDET |
INVAL |
|
VOLDET |
| D4 |
--- |
KEY |
--- |
---- |
--- |
|
|
|
i486DX4 |
DX4ODP |
AM DX4 |
AM 5x86 |
CxDX2 |
CxDX4 |
ST5x86 |
*1 AMD DX2 3.3V PART
*2 to Vss: 2x, NC=Open (Internally Pull-Up): 3x
*3 to Vss: 4x, NC=Open (Internally Pull-Up): 3x
|