ZL50057 ZARLINK [Zarlink Semiconductor Inc], ZL50057 Datasheet - Page 86
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ZL50057
Manufacturer Part Number
ZL50057
Description
12 K-Channel Digital Switch with High Jitter Tolerance, Per Stream Rate Conversion (2, 4, 8, 16, or 32 Mbps), and 48 Inputs and 48 Outputs
Manufacturer
ZARLINK [Zarlink Semiconductor Inc]
Datasheet
1.ZL50057.pdf
(108 pages)
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14.12.2
Addresses 00ED
Sixteen Local Output Bit Rate Registers allow the bit rate for each individual stream to be set to 2, 4, 8 or 16 Mbps.
These registers may be overridden by setting Local 32 Mbps Mode in the Control Register (via the MODE32L bit),
in which case, Local output streams 0-7 will operate at 32 Mbps and Local output streams 8-15 will be unused. The
LOBRR registers are configured as follows:
14.13
14.13.1
Addresses 010D
Thirty-two Backplane Input Bit Rate Registers allow the bit rate for each individual stream to be set to 2, 4, 8 or
16 Mbps. These registers may be overridden by setting Backplane 32 Mbps Mode in the Control Register (via the
MODE32B bit), in which case, Backplane input streams 0-15 will operate at 32 Mbps and Backplane input streams
16-31 will be unused.
The BIBRR registers are configured as follows:
(
for n = 0 to 31)
BIBRn Bit
(where n = 0 to
LOBRn Bit
15:2
1:0
15:2
1:0
15)
Backplane Bit Rate Registers
Local Output Bit Rate Registers (LOBRR0 - LOBRR15)
Backplane Input Bit Rate Registers (BIBRR0 - BIBRR31)
H
H
to 012C
to 00FC
Reserved
BIBR[1:0]
Name
LOBR[1:0]
Reserved
Table 51 - Local Output Bit Rate (LOBR) Programming Table
Name
Table 52 - Backplane Input Bit Rate Register (BIBRR) Bits
H
H
Table 50 - Local Output Bit Rate Register (LOBRR) Bits
MODE32L
.
.
0
0
0
0
1
Reset
Value
0
0
Reset
Value
LOBR1
0
0
X
0
0
1
1
Zarlink Semiconductor Inc.
Reserved
Must be set to 0 for normal operation
Backplane Input Bit Rate
ZL50057/8
Reserved
Must be set to 0 for normal operation
Local Output Bit Rate
LOBR0
86
X
0
1
0
1
Bit rate for stream n
16 Mbps
32 Mbps
2 Mbps
4 Mbps
8 Mbps
Description
Description
Data Sheet
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