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AD9546/PCBZ 数据表(PDF) 190 Page - Analog Devices

部件名 AD9546/PCBZ
功能描述  Dual DPLL Digitized Clock Synchronizer
PDF  205 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD9546/PCBZ 数据表(HTML) 190 Page - Analog Devices

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AD9546
Data Sheet
Rev. 0 | Page 190 of 205
Multidevice Configuration Example
Consider two AD9546 devices (Device 1 and Device 2) that
share a single EEPROM and assume both devices have a
common PLL0 configuration but differing PLL1 configurations.
A template for an EEPROM sequence that accomplishes this
configuration is shown in Table 111.
The sequence relies on conditional processing to differentiate
between Device 1 and Device 2. Therefore, the user must
program the condition ID of both devices prior to executing an
EEPROM download. Specifically, the user must program
Bits[3:0] of Register 0x2E01 in Device 1 with a condition ID of
1 and in Device 2 with a condition ID of 2.
Table 111. Template for a Multidevice EEPROM Sequence
Instructions
Comment
0x00 to 0x7F
A sequence of register transfer instructions
associated with the PLL0 configuration
common to both devices
0xB1
Apply Condition 1
0x00 to 0x7F
A sequence of register transfer instructions
associated with the PLL1 configuration
specific to Device 1
0xB0
Clear the condition map
0xB2
Apply Condition 2
0x00 to 0x7F
A sequence of register transfer instructions
associated with the PLL1 configuration
specific to Device 2
0xB0
Clear the condition map
0x80
IO update
0xFF
End of sequence



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