MT9072 Zarlink Semiconductor, Inc., MT9072 Datasheet - Page 22
MT9072
Manufacturer Part Number
MT9072
Description
Octal T1-E1-J1 Framer
Manufacturer
Zarlink Semiconductor, Inc.
Datasheet
1.MT9072.pdf
(278 pages)
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MT9072
Pin Description (continued)
22
LQFP
139
159
100
120
140
160
119
39
59
79
20
40
60
80
Pin #
LBGA
B15
N12
R14
B16
N11
L15
F13
L16
F14
M3
M3
N5
H2
N6
RxBF[0]
RxBF[1]
RxBF[2]
RxBF[3]
RxBF[4]
RxBF[5]
RxBF[6]
RxBF[7]
Name
FPi[1]
FPi[2]
FPi[3]
FPi[5]
FPi[6]
FPi[7]
Type
O
I
Frame Pulse. This pin accepts a frame pulse that sets the basic frame
boundary for the transmit and receive sides of the framer. In IMA mode
it accepts a frame pulse that sets the basic frame boundary for the
transmit side of the framer only. Pins FPi[0-7] are used to set the frame
boundaries for Framers[0-7] respectively. The clock rate is determined
by control bits at (Address 900). This pin has no function in 8.192
Mbit/s mode.
In 2.048Mbit/s ST-BUS mode this pin accepts an ST-BUS 2.048Mbit/s
frame pulse that sets the basic frame boundary for the data that
appears at pins DSTi, DSTo, CSTi and CSTo. See Figure 24.
In T1 IMA mode, this pin accepts a 648ns frame pulse that sets the
basic frame boundary for the transmit data that appears at pin DSTi.
IMA mode is selected by setting the IMA bit (Address Y00) to 1. See
Figure 32.
In E1 IMA mode, this pin accepts a 2.048 Mbit/s ST-BUS type frame
pulse that sets the basic frame boundary for the transmit data that
appears at pin DSTi. IMA mode is selected by setting the IMA bit
(Address Y00) to 1. See Figure 51.
In T1 IMA mode and E1 IMA mode, the basic frame boundary for the
receive data stream that is output by DSTo is indicated by the clock
output by the RxBF pin.
Receive Basic Frame Pulse. This pin outputs a frame pulse that
indicates the basic frame boundary for the received data stream
output by the RxDL pin. In IMA mode the receive basic frame pulse
also indicates the basic frame boundary in the received data stream
output by the DSTo pin. Pins RxBF[0-7] are used to set the frame
boundaries for Framers[0-7] respectively.
In T1 mode, this pin provides a basic frame pulse that indicates the
S-bit in the 1.544Mbit/s received data stream output by pin RxDL. See
Figure 44.
In T1 IMA mode, the Receive Basic Frame Pulse indicates the S-bit in
the 1.544Mbit/s received data stream output by pin DSTo. IMA mode is
selected by setting the IMA bit (Address Y00) to 1. See Figure 32.
In E1 mode, this pin provides a 2.048 Mbit/s ST-BUS type frame pulse
that indicates the beginning of channel 0 in the 2.048Mbit/s received
data stream output by the RxDL pin. See Figure 61.
In E1 IMA mode, the receive basic frame pulse indicates the beginning
of channel 0 in the 2.048Mbit/s received data stream output by the
DSTo pin. IMA mode is selected by setting the IMA bit (Address Y00)
to 1. See Figure 51.
Description (see Notes 1 to 7)
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