參數(shù)資料
型號(hào): SI5310-EVB
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 13/26頁(yè)
文件大小: 0K
描述: BOARD EVALUATION FOR SI5310
標(biāo)準(zhǔn)包裝: 1
主要目的: 計(jì)時(shí),時(shí)鐘發(fā)生器
已用 IC / 零件: SI5310
已供物品:
其它名稱: 336-1140
Si5310
20
Rev. 1.3
12, 13
CLKOUT–,
CLKOUT+
OCML
Differential Clock Output.
The clock output signal is a regenerated version of
the input clock signal present on CLKIN. It is phase
aligned with MULTOUT and is updated on the rising
edge of MULTOUT.
Note: Connection of an improperly terminated
transmission line to the CLKOUT output can cause
reflections that may adversely affect the
performance of the MULTOUT output. If the
CLKOUT output is not used, these pins should be
either tied to VDD (recommended), left
unconnected, or connected to a properly
terminated transmission line.
15
PWRDN/CAL
I
LVTTL
Power Down.
To shut down the high-speed outputs and reduce
power consumption, hold this pin high. For normal
operation, hold this pin low.
Calibration.
To initiate an internal self-calibration, force a high-to-
low transition on this pin. (See "4.9. PLL Self-Cali-
Note: This input has a weak internal pulldown.
16, 17
MULTOUT–,
MULTOUT+
OCML
Differential Multiplier Output.
The multiplier output is generated from the signal
present on CLKIN. In the absence of CLKIN, the
REFCLK is used to bound the frequency of MUL-
TOUT according to Table 4 on page 8.
Note: Connection of an improperly terminated
transmission line to the MULTOUT output can
cause reflections that may adversely affect the
CLKOUT output. If the MULTOUT output is not
used, these pins should be either tied to VDD
(recommended), left unconnected, or connected to
a properly terminated transmission line.
19
MULTSEL
I
LVTTL
Multiplier Rate Select.
This pin configures the onboard PLL-based clock
multiplier for clock generation at one of two user
selectable clock rates.
Note: This input has a weak internal pulldown.
20
NC
No Connect.
Table 11. Si5310 Pin Descriptions (Continued)
Pin #
Pin Name
I/O
Signal Level
Description
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參數(shù)描述
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