In I2C control mode (CMODE " />
參數(shù)資料
型號: SI5319-EVB
廠商: Silicon Laboratories Inc
文件頁數(shù): 37/50頁
文件大小: 0K
描述: BOARD EVALUATION SI5319
標(biāo)準(zhǔn)包裝: 1
主要目的: 計(jì)時(shí),時(shí)鐘乘法器
嵌入式:
已用 IC / 零件: SI5319
主要屬性: 1 輸入,1 輸出
次要屬性: CML,CMOS,LVDS,LVPECL
已供物品: 板,CD,文檔
Si5319
42
Rev. 1.0
25
24
A1
A0
ILVCMOS
Serial Port Address.
In I2C control mode (CMODE = 0), these pins function as hardware
controlled address bits. The I2C address is 1101 [A2] [A1] [A0].
In SPI control mode (CMODE = 1), these pins are ignored.
These pins have a weak pull-down.
26
A2_SS
ILVCMOS
Serial Port Address/Slave Select.
In I2C control mode (CMODE = 0), this pin functions as a hardware
controlled address bit [A2].
In SPI control mode (CMODE = 1), this pin functions as the slave
select input.
This pin has a weak pull-down.
27
SDI
I
LVCMOS
Serial Data In.
In I2C control mode (CMODE = 0), this pin is ignored.
In SPI control mode (CMODE = 1), this pin functions as the serial data
input.
This pin has a weak pull-down.
29
28
CKOUT–
CKOUT+
OMulti
Output Clock.
Differential output clock with a frequency range of 10 MHz to
1.4175 GHz. Output signal format is selected by SFOUT1_REG regis-
ter bits. Output is differential for LVPECL, LVDS, and CML compatible
modes. For CMOS format, both output pins drive identical single-
ended clock outputs.
36
CMODE
I
LVCMOS
Control Mode.
Selects I2C or SPI control mode for the Si5319.
0 = I2C Control Mode
1 = SPI Control Mode
GND
PAD
GND
Supply
Ground Pad.
The ground pad must provide a low thermal and electrical impedance
to a ground plane.
Pin #
Pin Name
I/O
Signal Level
Description
Note:
Internal register names are indicated by underlined italics (e.g., INT_PIN. See Si5319 Register Map).
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