參數(shù)資料
型號： ZL50018QCC
廠商： ZARLINK SEMICONDUCTOR INC
元件分類： 路由/交換
英文描述： 2 K Digital Switch with Enhanced Stratum 3 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)： 70/136頁
文件大?。?/td> 1448K
代理商： ZL50018QCC
ZL50018
Data Sheet
70
Zarlink Semiconductor Inc.
Bit
Name
Description
15 - 10
Unused
Reserved.
In normal functional mode, these bits
MUST
be set to zero.
9 - 0
CFN25 - 16
Center Frequency Number (CFN) Upper 10 Bits
The total binary value of these bits and the CFRL register bits represents the center fre-
quency number (CFN) explained under CFRL register bits explanation.
The default value of this register should be changed only if compensation for input oscil-
lator (or crystal) frequency offset is required, and
SHOULD NOT
be changed in any other
circumstances.
Table 32 - Centre Frequency Register - Upper 10 Bits (CFRU)
Bit
Name
Description
15
Unused
Reserved.
In normal functional mode, this bit
MUST
be set to zero.
14 - 0
SDF14 - 0
Software Delta Frequency Bits:
When the SWE bit in the DPLLCR register is high
and the DPLL is in freerun mode (the FDM1-0 bits of the RCCR register are =’11’), the
binary value of these bits represents the targeted deviation of the DPLL output from its
center frequency (delta frequency). Depending on the SWF bit in the DPLLCR register,
the deviation will be met immediately or after programmed filter response and phase
alignment speed (phase slope) time. When the SWE bit in the DPLLCR register is low
or the DPLL is not in freerun mode, these bits are ignored.
Defined in same units as CFN in the 2's complement format.
Note: Note: examples of programming:
if +10 ppm is desired output frequency, the SDF14-0 should be: CFN x 0.00001 = 440 = 01B8
if -10 ppm is desired output frequency, the SDF14-0 should be: CFN x (-0.00001) = -440 = 7E48
H
Table 33 - Software Delta Frequency Register (SWDFR) Bits
External Read/Write Address: 0043
H
Reset Value: 029F
H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
CFN
25
CFN
24
CFN
23
CFN
22
CFN
21
CFN
20
CFN
19
CFN
18
CFN
17
CFN
16
External Read/Write Address: 0044
H
Reset Value: 0000
H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
SDF
14
SDF
13
SDF
12
SDF
11
SDF
10
SDF
9
SDF
8
SDF
7
SDF
6
SDF
5
SDF
4
SDF
3
SDF
2
SDF
1
SDF
0
相關PDF資料
PDF描述
ZL50019 Enhanced 2 K Digital Switch with Stratum 4E DPLL
ZL50019GAC Enhanced 2 K Digital Switch with Stratum 4E DPLL
ZL50019QCC Enhanced 2 K Digital Switch with Stratum 4E DPLL
ZL50022 Enhanced 4 K Digital Switch with Stratum 4E DPLL
ZL50022GAC Enhanced 4 K Digital Switch with Stratum 4E DPLL
相關代理商/技術參數(shù)
參數(shù)描述
ZL50018QCG1 制造商:Microsemi Corporation 功能描述:PB FREE 2K+ RATE CONVERSION AND S3 DPLL - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM SWITCH 2K-CH ENH 256LQFP
ZL50019 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Enhanced 2 K Digital Switch with Stratum 4E DPLL
ZL50019_06 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Enhanced 2 K Digital Switch with Stratum 4E DPLL
ZL50019GAC 制造商:Microsemi Corporation 功能描述:2K WITH RATE CONVERSION AND S4 - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM SWITCH 2K-CH ENH 256PBGA 制造商:Microsemi Corporation 功能描述:IC TDM SWITCH 2K-CH ENH 256PBGA
ZL50019GAG2 制造商:Microsemi Corporation 功能描述:PB FREE 2K WITH RATE CONVERSION+S4E DPLL 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 2K X 2K 1.8V/3.3V 256BGA - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM SWITCH 2K-CH ENH 256PBGA 制造商:Microsemi Corporation 功能描述:IC TDM SWITCH 2K-CH ENH 256PBGA
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