ZL50015GAC ZARLINK [Zarlink Semiconductor Inc], ZL50015GAC Datasheet - Page 87
ZL50015GAC
Manufacturer Part Number
ZL50015GAC
Description
Enhanced 1 K Digital Switch with Stratum 4E DPLL
Manufacturer
ZARLINK [Zarlink Semiconductor Inc]
Datasheet
1.ZL50015GAC.pdf
(122 pages)
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24.2
When the CMM bit (bit 0) in the connection memory low is zero, the per-channel transmission is set to the normal
channel-switching. The connection memory low bit assignment for the channel transmission mode is shown in
Table 51 on page 87.
Connection Memory Low (CM_L) Bit Assignment
Note: For proper
12 - 9
8 - 1
Bit
15
14
13
UA
EN
15
0
Table 51 - Connection Memory Low (CM_L) Bit Assignment when CMM = 0
V/C
14
SCA7 - 0
CMM = 0
SSA3 - 0
Unused
Name
UAEN
V/C
SSA
µ-
13
4
law/A-law conversion, the CM_H bits should be set before Bit 15 (UAEN bit) is set to high.
SSA
12
3
Conversion between µ-law and A-law Enable
When this bit is low, normal switch without µ-law/A-law conversion. Connec-
tion memory high will be ignored.
When this bit is high, switch with µ-law/A-law conversion, and connection
memory high controls the conversion method.
Variable/Constant Delay Control
When this bit is low, the output data for this channel will be taken from con-
stant delay memory.
When this bit is set to high, the output data for this channel will be taken from
variable delay memory. Note that VAREN must be set in Control Register
first.
Reserved. In normal functional mode, these bits MUST be set to zero.
Source Stream Address
The binary value of these 4 bits represents the input stream number.
Source Channel Address
The binary value of these 8 bits represents the input channel number.
Connection Memory Mode = 0
If this is low, the connection memory is in the normal switching mode. Bit13 -
1 are the source stream number and channel number.
SSA
11
2
SSA
10
1
SSA
Zarlink Semiconductor Inc.
9
0
ZL50015
SCA
8
7
87
SCA
7
6
Description
SCA
6
5
SCA
5
4
SCA
4
3
SCA
3
2
SCA
2
1
SCA
1
0
Data Sheet
CMM
=0
0
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