參數(shù)資料
型號(hào): AD9548/PCBZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 88/112頁(yè)
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD9548
產(chǎn)品變化通告: AD9548 Mask Change 20/Oct/2010
設(shè)計(jì)資源: AD9548 Schematic
AD9548 BOM
AD9548 Eval Brd Layers
標(biāo)準(zhǔn)包裝: 1
主要目的: 計(jì)時(shí),時(shí)鐘發(fā)生器
嵌入式:
已用 IC / 零件: AD9548
主要屬性: 62.5 ~ 450 MHz 輸出頻率
次要屬性: SPI 和 I2C 兼容控制端口
已供物品:
Data Sheet
AD9548
Rev. E | Page 77 of 112
CLOCK DISTRIBUTION OUTPUT CONFIGURATION (REGISTER 0x0400 TO REGISTER 0x0419)
Table 66. Distribution Settings1
Address
Bits
Bit Name
Description
0x0400
[7:6]
Unused
[5]
External distribution
resistor
Output current control for the clock distribution outputs
0 (default) = internal current setting resistor
1 = external current setting resistor
[4]
Receiver mode
Clock distribution receiver mode
0 (default) = normal operation
1 = high frequency mode (super-Nyquist)
[3]
OUT3 power-down
Power-down clock distribution output OUT3
0 (default) = normal operation
1 = power-down
[2]
OUT2 power-down
Power-down clock distribution output OUT2
0 (default) = normal operation
1 = power-down
[1]
OUT1 power-down
Power-down clock distribution output OUT1
0 (default) = normal operation
1 = power-down
[0]
OUT0 power-down
Power-down clock distribution output OUT0
0 (default) = normal operation
1 = power-down
1
When Bits[3:0] = 1111, the clock distribution output enters a deep sleep mode.
Table 67. Distribution Enable
Address
Bits
Bit Name
Description
0x0401
[7:4]
Unused
[3]
OUT3 enable
Enable the OUT3 driver.
0 (default) = disable.
1 = enable.
[2]
OUT2 enable
Enable the OUT2 driver.
0 (default) = disable.
1 = enable.
[1]
OUT1 enable
Enable the OUT1 driver.
0 (default) = disable.
1 = enable.
[0]
OUT0 enable
Enable the OUT0 driver.
0 (default) = disable.
1 = enable.
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