参数资料
型号: SI5327D-C-GMR
厂商: SILICON LABORATORIES
元件分类: 时钟产生/分配
英文描述: 243 MHz, PROC SPECIFIC CLOCK GENERATOR, QCC36
封装: 6 X 6 MM, ROHS COMPLIANT, MO-220VJJD, QFN-36
文件页数: 22/60页
文件大小: 715K
代理商: SI5327D-C-GMR
Si5327
Preliminary Rev. 0.4
29
Reset value = 0010 1100
Register 19.
Bit
D7D6D5D4D3D2D1D0
Name
VALTIME [1:0]
LOCKT [2:0]
Type
RR
R
R/W
Bit
Name
Function
7:5
Reserved
4:3
VALTIME [1:0] VALTIME [1:0].
Sets amount of time for input clock to be valid before the associated alarm is removed.
00: 2 ms
01: 100 ms
10: 200 ms
11: 13 seconds
2:0
LOCKT [2:0] LOCKT [2:0].
Sets retrigger interval for one shot monitoring phase detector output. One shot is trig-
gered by phase slip in DSPLL. Refer to the Si53xx Family Reference Manual for more
details. To minimize lock time, the value 001 for LOCKT is recommended.
000: 106 ms
001: 53 ms
010: 26.5 ms
011: 13.3 ms
100: 6.6 ms
101: 3.3 ms
110: 1.66 ms
111: .833 ms
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