參數(shù)資料
型號: ZL50015GAC
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 路由/交換
英文描述: Enhanced 1 K Digital Switch with Stratum 4E DPLL
中文描述: TELECOM, DIGITAL TIME SWITCH, PBGA256
封裝: 17 X 17 MM, 1.61 MM HEIGHT, PLASTIC, MS-034, BGA-256
文件頁數(shù): 67/122頁
文件大?。?/td> 926K
代理商: ZL50015GAC
ZL50015
Data Sheet
67
Zarlink Semiconductor Inc.
Bit
Name
Description
15
Unused
Reserved.
In normal functional mode, this bit is zero.
14 - 0
FOF14 - 0
Frequency Offset Bits:
The binary value of these bits represents the current deviation
of the DPLL output from its center frequency. Defined in same units as CFN in the 2's
complement format.
Note 1:
Output frequency offset, relative to master clock, will be represented as the following:
+10 ppm: CFN x 0.00001 = 440 = 01B8
-10 ppm: CFN x (-0.00001) = -440 = 7E48
H
Table 30 - Frequency Offset Register (FOR) Bits - Read Only
External Read Only Address: 0045
H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
FOF
14
FOF
13
FOF
12
FOF
11
FOF
10
FOF
9
FOF
8
FOF
7
FOF
6
FOF
5
FOF
4
FOF
3
FOF
2
FOF
1
FOF
0
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