ZL50057 ZARLINK [Zarlink Semiconductor Inc], ZL50057 Datasheet - Page 45

• 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]

Figure 15, Backplane Port External High Impedance Control Bit Timing (Non-32 Mbps Mode) shows the channel
control bits for BCSTo0, BCSTo1, BCSTo2 and BCSTo3 in one possible scenario which includes stream BSTo0 at
a data rate of 16.384 Mbps, BSTo1 at 8.192 Mbps, BSTo6 at 4.096 Mbps and BSTo7 at 2.048 Mbps. All remaining
streams are operated at a data rate of 16.384 Mbps.
(16 Mbps)
(8 Mbps)
(4 Mbps)
(2 Mbps)
BCSTo0
BCSTo1
BCSTo2
BCSTo3
BSTo1
BSTo0
BSTo6
BSTo7
Figure 15 - Backplane Port External High Impedance Control Bit Timing (Non-32 Mbps Mode)
FP8o
C8o
Chan 127
Chan 31
Chan 63
1
Bit 0
Bit 0
Bit 0
0
Chan 0
7
Bit 7
Chan 0 Bit 7
Channel 0
6
Chan 0
5
Bit 6
Channel 0 Bit 7
4
Chan 0
3
Bit 5
Chan 0 Bit 6
2
Zarlink Semiconductor Inc.
ZL50057/8
Chan 0
1
Bit 4
0
45
Chan 127
7
Bit 3
Chan 63 Bit 1
6
One C16o period
Channel 255
Chan 127
5
Channel 31 Bit 0
Bit 2
4
Chan 127
3
Bit 1
Chan 63 Bit 0
2
Chan 127
1
Bit 0
0
7
Chan 0
Chan 0
Chan 0
Bit 7
Bit 7
Bit 7
Data Sheet
6