xrt94l33 Exar Corporation, xrt94l33 Datasheet - Page 65

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xrt94l33

Manufacturer Part Number
xrt94l33
Description
Multi-channel, Multi-function Device Aggregates 3 Ds3/e3/sts-1 Into Oc3/stm-1
Manufacturer
Exar Corporation
Datasheet

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xr
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC DATA SHEET
C19
D18
TXHDLCDAT_5_1
TXHDLCDAT_6_1
STS1TXA_D5_1
STS1TXA_D6_1
TXDS3DATA_1
TXDS3FP_1
I/O
I
TTL/CMOS
TTL
Transmit STS-1 Telecom Bus – Channel 1 – Input Data
Bus pin number 5:
The exact function of this pin depends upon whether the STS-
1 Telecom Bus Interface, associated with Channel 1 is
enabled or not.
If STS-1 Telecom Bus (Channel 1) has been enabled –
STS-1 Transmit Telecom Bus – Input Data Bus pin number 5:
STS1TXA_D5_1:
This
“STS1TXA_D_1[4:0] function as the “STS-1 Transmit (Add)
Telecom Bus – Input Data Bus for Channel 1. The STS-1
Telecom Bus interface will sample and latch this pin upon the
falling edge of “STS1TXA_CK_1”.
TXHDLCDAT_5_1 (Transmit HDLC block data – Channel 1
– Input data pin 5)
TXDS3FP_1 (Transmit DS3 Frame Pulse – Channel 1)
Transmit STS-1 Telecom Bus – Channel 1 – Input Data
Bus pin number 6:
The exact function of this pin depends upon whether the STS-
1 Telecom Bus Interface, associated with Channel 1 is
enabled or not.
If STS-1 Telecom Bus (Channel 1) has been enabled –
STS-1 Transmit Telecom Bus – Input Data Bus pin number 6:
STS1TXA_D6_1:
This
“STS1TXA_D_1[5:0]” function as the “STS-1 Transmit (Add)
Telecom Bus – Input Data Bus for Channel 1. The STS-1
Telecom Bus interface will sample and latch this pin upon the
falling edge of “STS1TXA_CK_1”.
TXHDLCDAT_6_1 (Transmit HDLC block data – Channel 1
– Input data pin 6)
TXDS3DATA_1 (Transmit DS3 Data – Channel 1)
65
input
input
pin
pin
along
along
with
with
“STS1TXA_D_1[7:6]”
“STS1TXA_D7_1”
XRT94L33
Rev.1.2.0.
and
and

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