CD1865 Datasheet, PDF (16/150 Pages) Intel Corporation – Intelligent Eight-Channel Communications Controller

CD1865 — Intelligent Eight-Channel Communications Controller
4.0
4.1
Pin Information
The CD1865 is available in a 100-pin MQFP (metric quad flat pack device) configuration as shown
below.
Pin Diagram
VCC
1
DS*(RD*)
2
R/W*(WR*)
3
DTACK*
4
CS*
5
RTS[0]*
6
CTS[0]*
7
CD[0]*
8
DTR[0]*
9
DSR[0]*
10
RTS[1]*
11
CTS[1]*
12
CD[1]*
13
DTR[1]*
14
VCC
15
GND
16
DSR[1]*
17
RTS[2]*
18
CTS[2]*
19
CD[2]*
20
DTR[2]*
21
DSR[2]*
22
RTS[3]*
23
CTS[3]*
24
CD[3]*
25
DTR[3]*
26
DSR[3]*
27
RTS[4]*
28
CTS[4]*
29
CD[4]*
30
CD1865
100-Pin MQFP
80
TEST
79
ACKIN*
78
DBLCLK
77
OSC2
76
OSC1
75
NO_OSC
74
RREQ*
73
TREQ*
72
MREQ*
71
TXD[7]
70
TXD[6]
69
TXD[5]
68
TXD[4]
67
TXD[3]
66
TXD[2]
65
TXD[1]
64
VCC
63
TXD[0]
62
RXD[7]
61
RXD[6]
60
RXD[5]
59
RXD[4]
58
RXD[3]
57
RXD[2]
56
RXD[1]
55
RXD[0]
54
DSR[7]*
53
DTR[7]*
52
CD[7]*
51
CTS[7]*
NOTE: (*) Denotes an active-low (negative-true) signal.
16
Datasheet