參數(shù)資料
型號： ZL50022QCC
廠商： ZARLINK SEMICONDUCTOR INC
元件分類： 路由/交換
英文描述： Enhanced 4 K Digital Switch with Stratum 4E DPLL
中文描述： TELECOM, DIGITAL TIME SWITCH, PQFP256
封裝： 28 X 28 MM, 1.40 MM HEIGHT, MS-026BJC, LQFP-256
文件頁數(shù)： 87/121頁
文件大?。?/td> 939K
代理商： ZL50022QCC
ZL50022
Data Sheet
87
Zarlink Semiconductor Inc.
24.2 Connection Memory Low (CM_L) Bit Assignment
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 53 on page 87.
Bit
Name
Description
15
UAEN
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.
14
V/C
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.
13 - 9
SSA4 - 0
Source Stream Address
The binary value of these 5 bits represents the input stream number.
8 - 1
SCA7 - 0
Source Channel Address
The binary value of these 8 bits represents the input channel number.
0
CMM = 0
Connection Memory Mode = 0
If this is low, the connection memory is in the normal switching mode. Bit 13 -
1 are the source stream number and channel number.
Note: For proper
μ
-
law/A-law conversion, the CM_H bits should be set before Bit 15 (UAEN bit) is set to high.
Table 53 - Connection Memory Low (CM_L) Bit Assignment when CMM = 0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
UA
EN
V/C
SSA
4
SSA
3
SSA
2
SSA
1
SSA
0
SCA
7
SCA
6
SCA
5
SCA
4
SCA
3
SCA
2
SCA
1
SCA
0
CMM
=0
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相關代理商/技術參數(shù)
參數(shù)描述
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ZL50023_06 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Enhanced 4 K Digital Switch
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ZL50023GAG2 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 4K X 4K 1.8V/3.3V 256BGA - Trays 制造商:Microsemi Corporation 功能描述:PB FREE PARALLEL ACCESS CIRCUIT (PAC) 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM SWITCH 4K-CH ENH 256PBGA 制造商:Microsemi Corporation 功能描述:IC TDM SWITCH 4K-CH ENH 256PBGA
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