CN8330 Datasheet, PDF (13/101 Pages) Conexant Systems, Inc – DS3/E3 Framer with 52 Mbps HDLC Controller

CN8330
DS3/E3 Framer with 52 Mbps HDLC Controller
1.0 Product Description
1.1 Pin Descriptions
1.1 Pin Descriptions
The CN8330 Framer is packaged in a 68-pin Plastic Leaded Chip Carrier (PLCC)
and an 80-pin Metric Quad Flat Pack (MQFP) and shown in Figure 1-1 and
Figure 1-2 respectively. Pin assignments are listed in numerical order in
Table 1-1. Figure 1-3 and Figure 1-4 illustrate functionally partitioned logic
diagrams of the CN8330. Pin descriptions, labels, and I/O assignments are
detailed in Table 1-2.
Figure 1-1. CN8330 Pinout Diagram - 68-Pin PLCC
GND
10
FIFEN
11
VCO
12
RXPOS
13
RXNEG
14
DS3CKI
15
RXCKI
16
V_DD
17
TCLKO
18
INIT*
19
RXDAT
20
RXMSY
21
RXCLK
22
RXBCK/RXGAPCK
23
IDLE/FRMCAR
24
VALFCS/TXOVH
25
GND
26
CN8330
Framer
60
TESTI
59
TXSYO
58
TXCKI
57
TXBCK/TXGAPCK
56
TDAT[7]/TXSYI
55
TDAT[6]/TXDATI
54
TDAT[5]/TXENCI
53
TDAT[4]/LCVERRI
52
GND
51
V_DD
50
TDAT[3]
49
TDAT[2]
48
TDAT[1]
47
TDAT[0]
46
TXCCK
45
CBITI
44
PPDLONLY
100441E
Conexant
1-3