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: 16/60页
文件大小: 715K
代理商: SI5327D-C-GMR
Si5327
Preliminary Rev. 0.4
23
6. Register Descriptions
Reset value = 0001 0100
Register 0.
Bit
D7D6D5D4D3D2D1D0
Name
FREE_
RUN
CKOUT_
ALWAYS_
ON
BYPASS_
REG
Type
R
R/W
R
R/W
R
Bit
Name
Function
7
Reserved
6FREE_RUN
Free Run.
Internal to the device, route XA/XB to CKIN2. This allows the device to lock to its XA-XB
reference.
0: Disable
1: Enable
5CKOUT_
ALWAYS_ON
CKOUT Always On.
This will bypass the SQ_ICAL function. Output will be available even if SQ_ICAL is on
and ICAL is not complete or successful. See Table 8 on page 20.
0: Squelch output until part is calibrated (ICAL).
1: Provide an output. Note: The frequency may be significantly off and variable until the
part is calibrated.
4:2
Reserved
1
BYPASS_
REG
Bypass Register.
This bit enables or disables the PLL bypass mode. Use only when the device is in digital
hold or before the first ICAL.
0: Normal operation
1: Bypass mode. Selected input clock is connected to CKOUT buffers, bypassing the
PLL. Bypass mode does not support CMOS clock outputs.
0
Reserved
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