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80386DXRPQB25 Datasheet(PDF) 2 Page - Maxwell Technologies

Part # 80386DXRPQB25
Description  32-Bit Microprocessor
Download  17 Pages
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Manufacturer  MAXWELL [Maxwell Technologies]
Direct Link  http://www.maxwell.com
Logo MAXWELL - Maxwell Technologies

80386DXRPQB25 Datasheet(HTML) 2 Page - Maxwell Technologies

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All data sheets are subject to change without notice
©2001 Maxwell Technologies
All rights reserved.
32-Bit Microprocessor
80386DX
12.17.01 Rev1
1000557
TABLE 1. 80386DX PIN DESCRIPTION
PIN
SYMBOL
DESCRIPTION
1-7, 9, 10, 12, 13, 16, 17, 20,
21, 24, 146-149, 152-154, 156-
159, 161-163
A16-A11, A9, A10, A7, A8, A5, A6,
A3, A4, A2, A31-A28, A27-A25,
A23-A22, A20-A18
Address Bus
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
NC
Not Connected
11, 15, 27, 32, 35, 43, 51, 53,
55, 57, 61, 70, 92, 95, 100, 111,
118, 122, 138, 142, 151
V
SS
Ground
14, 26, 31, 34, 44, 50, 52, 54,
56, 58, 62, 69, 91, 96, 99, 110,
117, 137, 141, 150,
V
CC
Power Supply
37
INTR
Interupt Request
41
NMI
Non-Maskable Interupt Request
42
PEREQ
Processor Extension Request
45
ERROR
Error Status
46
RESET
Reset
49
BUSY
Busy Status
59
LOCK
Bus Lock
60
W/R
Write/ Read
63
M/IO
Memory I/O
64
D/C
Data Control
67, 71, 72, 74
BE2, BE0, BE3, BE1
Byte Enables
78
BS16
Bus Size 16
75
NA
Next Address
79
HOLD
Bus Hold Request
80
CLK2
CPU Clock 2
81
ADS
Address Staus
83
READY
Bus Ready Input
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,
D1, D2, D4, D0, D6, D3, D8, D5, D7,
D10, D9, D12, D11, D14, D13, D15,
D16, D18, D17, D20, D22, D19,
D24, D21, D25,D23, D27, D26, D29,
D28, D31, D30,
Data Bus
101
HLDA
Bus Hold Acknowledge


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