CN8330EPD CONEXANT [Conexant Systems, Inc], CN8330EPD Datasheet - Page 17

• Manufacturer Part Number: CN8330EPD
• Description: DS3/E3 Framer with 52 Mbps HDLC Controller
• Manufacturer: CONEXANT [Conexant Systems, Inc]

CN8330
DS3/E3 Framer with 52 Mbps HDLC Controller
Figure 1-4. CN8330 Framer Functional Logic Diagram - 80-Pin MQFP
100441E
Address Latch Enable/Parallel Input Enable
Address-Data 2/Alarm Indication Signal
Address-Data 3/Yellow Alarm Detect
Address-Data 4/Idle Code Detection
Address-Data 6/Line Code Violation
Address-Data 5/Parity Error Detect
Write*/Cycle Redundancy Check 32
Address-Data 7/Frame Bit Error
Address-Data 0/Loss of Signal
Address-Data 1/Out of Frame
Tx Data Bit MSB/Tx M-Sync In
Tx Data Bit 6/Tx Serial Data In
Tx Data Bit 5/Tx Encoder In
Tx Data Bit 4/LCV Error In
Monitor/Microprocessor*
Parallel Data Only Select
Chip Select/Alarm 0
Tx C/N Bit Serial In
Dejittered Clock In
Rx Line Clock In
Tx Data Bit LSB
Read*/Alarm 1
Rx Bipolar Pos
Rx Bipolar Neg
Send Message
FIFO Enable
Tx Data Bit 3
Tx Data Bit 2
Tx Data Bit 1
Initialization
Tx Clock In
Send FCS
Test In
B/O
B/O
B/O
B/O
B/O
B/O
B/O
B/O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
80
79
78
77
76
75
74
73
5
6
7
8
3
56
42
54
53
52
51
47
46
45
44
39
38
41
58
11
69
66
67
68
63
TXCKI
CBITI
TDAT[7]/TXSYI
TDAT[6]/TXDATI
TDAT[5]/TXENCI
TDAT[4]/LCVERRI
TDAT[3]
TDAT[2]
TDAT[1]
TDAT[0]
SNDFCS
SNDMSG
PPDLONLY
TESTI
INIT*
AD[0]/LOS
AD[1]/OOF
AD[2]/AIS
AD[3]/YEL
AD[4]/IDLE
AD[5]/PAR
AD[6]/LCV
AD[7]/FRMERR
ALE/PAREN
CS/ALM0
RD*/ALM1
WR*/CRC32
MON/MIC*
B = Bidirectional, I = Input, O = Output
RXPOS
RXNEG
DS3CKI
RXCKI
FIFEN
Conexant
Receiver
Section
Microprocessor
Transmitter
RXBCK/RXGAPCK
Interface
DLINT/SOURCELB
Section
RDAT[4]/FRMERR
TXBCK/TXGAPCK
RDAT[5]/LCVCAR
RDAT[6]/RXOVH
VALFCS/TXOVH
RDAT[7]/TXNRZ
CNTINT/LINELB
RXCCK/TXNRZ
IDLE/FRMCAR
RDAT[3]/IDLE
RDAT[1]/OOF
RDAT[0]/LOS
RDAT[2]/AIS
RXMSY
RXDAT
TXCCK
TXPOS
TXNEG
TXSYO
TESTO
RXCLK
TCLKO
CBITO
VCO
12
13
14
33
34
29
28
27
26
25
24
23
22
16
17
4
15
55
43
36
35
57
10
37 O
64
65
O/I
O/I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Test Out
Rx Serial Data
Rx M-Sync
Rx Clock
Rx C/N Bit Serial Out
Rx C/N-Bit Clock Out/TxNRZ
Rx Data Bit MSB/TxNRZ
Rx Data Bit 6/RX Overhead
Rx Data Bit 5/ Line Code Violation Carry
Rx Data Bit 4/Frame Bit Error
Rx Data Bit 3/Idle Code Detection
Rx Data Bit 2/Alarm Indication Signal
Rx Data Bit 1/Out of Frame
Rx Data Bit LSB/Loss of Signal
Idle Data Rcvd/Frame Carry
Valid FCS Rcvd/TX Overhead
Voltage-Controlled Oscillator Output
Rx Byte Clock/Gapped Clock
Tx Byte Clock/Gapped Clock
Tx C/N Bit Clock
Tx Bipolar Pos
Tx Bipolar Neg
Tx M-Sync Out
Tx Clock Out
Counter Interrupt/Line Loopback
Data Link Interrupt/Source Loopback
1.0 Product Description
1.1 Pin Descriptions
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