CD2231 Intel Corporation, CD2231 Datasheet - Page 15

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CD2231

Manufacturer Part Number
CD2231
Description
CD2231 Intelligent Two-channel Lan And Wan Communications Controller
Manufacturer
Intel Corporation
Datasheet
Intelligent Two-Channel LAN and WAN Communications Controller — CD2231
3.0
Pin Information
3.1
Pin Diagram
EP[7]
51
EP[8]
52
DSR*[0]
53
CTS*[0]
54
TXCOUT/DTR*[0]
55
RTS*[0]
56
DSR*[1]
57
CTS*[1]
58
TXCOUT/DTR*[1]
59
RTS*[1]
60
EP[9]
61
GND
62
EP[10]
63
N/C
64
N/C
65
EP[11]
66
EP[12]
67
N/C
68
N/C
69
GND
70
A[7]
71
A[6]
72
A[5]
73
A[4]
74
A[3]
75
A[2]
76
A[1]
77
A[0]
78
VDD
79
A/D[15]
80
NOTE: N/C = No connection.
EP[1–12]:External pull-up required,
terminate to V
by a 4.7-k
CC
Datasheet
CD2231
100-Pin MQFP
resistor.
30
AEN*
29
ADLD*
28
DATEN*
27
DATDIR*
26
RESET*
25
RXCOUT[0]
24
IREQ*[3]
23
IREQ*[2]
22
EP[2]
21
IREQ*[1]
20
GND
19
IACKOUT*
18
EP[1]
17
IACKIN*
16
DTACK*
15
DS*
14
AS*
13
R/W*
12
BGACK*
11
CD*[1]
10
BGOUT*
9
BGIN*
8
VDD
7
BR*
6
BUSCLK
5
CLK
4
SIZ[1]
3
SIZ[0]
2
GND
1
CS*
15

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