CN8223 Datasheet, PDF (30/161 Pages) Conexant Systems, Inc – ATM Transmitter/Receiver with UTOPIA Interface

1.0 Product Description
1.10 Pin Definitions
CN8223
ATM Transmitter/Receiver with UTOPIA Interface
Table 1-2. Hardware Signal Definitions (1 of 5)
Pin Label
Signal Name No.
RXCKI
Receive Clock
10
Input
RXCKI_HS–
Receive Clock
11
RXCKI_HS+
Input
12
RXIN_HS–
RXIN_HS+
Receive Serial
20
Input
21
RXIN[0]
RXIN[1]
RXIN[2]
RXIN[3]
RXIN[4]
RXIN[5]
RXIN[6]
RXIN[7]
RXIN[8]
TXCKI
TXCKI_HS–
TXCKI_HS+
Receive Input
15
16
17
18
19
22
25
154
155
Transmit Clock
30
Input
Transmit Clock
23
Input
24
TXIN
Transmit Inputs
32
TCLKO
TXOUT[0]
TXOUT[1]
TXOUT[2]
TXOUT[3]
TXOUT[4]
TXOUT[5]
TXOUT[6]
TXOUT[7]
TXOUT[8]
TCLKO_HS+
TCLKO_HS–
TXOUT_HS+
TXOUT_HS–
LOCD
Transmit Clock
31
Output
Transmit Output
33
34
35
36
42
43
56
57
58
Transmit Clock Out 28
29
Transmit Serial Out 38
39
Loss of Cell
122
Delineation
Type
CMOS/TTL
PECL
PECL
PECL
PECL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
PECL
PECL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
PECL
PECL
PECL
PECL
CMOS/TTL
I/O
Definition
I Receive clock for all line rates except STS-3c,
STM-1, and E4.
I Differential PECL level for high-speed modes.
I Receive clock for STS-3c, STM-1, and E4. Tie to
+5 V if not used.
I Differential PECL level for high-speed modes.
I Serial data in for STS-3c, STM-1, and E4. Tie to
+5 V if not used.
I Receive parallel and TAXI mode data inputs. Tie
I to a logic low level if not used.
I
I
I
I
I
I
I
I Transmit clock for all modes except STS-3c,
STM-1, and E4.
I Differential PECL level for high-speed modes.
I Transmit clock for STS-3c, STM-1, and E4. Tie to
+5 V if not used.
I Transmit serial data input for all modes except
STS-3c, STM-1, and E4.
O Transmit clock output for all modes except
STS-3c, STM-1, and E4.
O Transmit parallel and TAXI mode data outputs.
O
O
O
O
O
O
O
O
O Differential PECL level. Transmit clock output for
O STS-3c, STM-1, and E4.
O Differential PECL level. Transmit serial data
O output for STS-3c, STM-1, and E4.
O Asserted when cell synchronization is lost.
1-20
Conexant
100046C