32-Bit Microprocessor
T
ABLE
1. 80386DX P
IN
D
ESCRIPTION
P
IN
1-7, 9, 10, 12, 13, 16, 17, 20,
21, 24, 146-149, 152-154, 156-
159, 161-163
8, 18, 19, 22, 23, 25, 28-30, 33,
36, 38-40, 47, 48, 65, 66, 68,
73, 76, 77, 82, 84, 86, 88, 103,
106, 107, 114, 125, 126, 129,
130,133, 134, 145, 155, 160,
164
11, 15, 27, 32, 35, 43, 51, 53,
55, 57, 61, 70, 92, 95, 100, 111,
118, 122, 138, 142, 151
14, 26, 31, 34, 44, 50, 52, 54,
56, 58, 62, 69, 91, 96, 99, 110,
117, 137, 141, 150,
37
41
42
45
46
49
59
60
63
64
67, 71, 72, 74
78
75
79
80
81
83
85, 87, 89, 90, 93, 94, 97, 98,
102, 104, 105, 108, 109, 112,
113, 115, 116, 119, 120, 121,
123, 124, 127, 128, 131, 132,
135, 136, 139, 140, 143, 144,
101
S
YMBOL
A16-A11, A9, A10, A7, A8, A5, A6, Address Bus
A3, A4, A2, A31-A28, A27-A25,
A23-A22, A20-A18
NC
Not Connected
D
ESCRIPTION
80386DX
V
SS
Ground
V
CC
Power Supply
Memory
INTR
NMI
PEREQ
ERROR
RESET
BUSY
LOCK
W/R
M/IO
D/C
BE2, BE0, BE3, BE1
BS16
NA
HOLD
CLK2
ADS
READY
Interupt Request
Non-Maskable Interupt Request
Processor Extension Request
Error Status
Reset
Busy Status
Bus Lock
Write/ Read
Memory I/O
Data Control
Byte Enables
Bus Size 16
Next Address
Bus Hold Request
CPU Clock 2
Address Staus
Bus Ready Input
D1, D2, D4, D0, D6, D3, D8, D5, D7, Data Bus
D10, D9, D12, D11, D14, D13, D15,
D16, D18, D17, D20, D22, D19,
D24, D21, D25,D23, D27, D26, D29,
D28, D31, D30,
HLDA
Bus Hold Acknowledge
1000557
12.17.01 Rev1
All data sheets are subject to change without notice
2
©2001 Maxwell Technologies
All rights reserved.
MAXWELL [ MAXWELL TECHNOLOGIES ]
