參數(shù)資料
型號(hào): AD9522-2/PCBZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 74/84頁(yè)
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD9522-2 CLK GEN
設(shè)計(jì)資源: AD9522 Eval Board Schematic
AD9522 BOM
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: AD9522-2
主要屬性: 12 LVDS/24 CMOS 輸出,2.2 GHz VCO
次要屬性: I²C & SPI 接口
已供物品:
AD9522-2
Rev. 0 | Page 76 of 84
Reg.
Addr
(Hex) Bit(s) Name
Description
192
[2]
Channel 0 power-down
Channel 0 powers down.
[2] = 0; normal operation (default).
[2] = 1; powered down. (OUT0/OUT0, OUT1/OUT1, and OUT2/OUT2 are put into the high
impedance power-down mode by setting this bit.)
192
[0]
Disable Divider 0 DCC
Duty-cycle correction function.
[0] = 0; enable duty-cycle correction (default).
[0] = 1; disable duty-cycle correction.
193
[7:4]
Divider 1 low cycles
Number of clock cycles (minus 1) of the divider input during which the divider output stays
low. A value of 0x3 means the divider is low for four input clock cycles (default: 0x3).
193
[3:0]
Divider 1 high cycles
Number of clock cycles (minus 1) of the divider input during which the divider output stays
high. A value of 0x3 means the divider is high for four input clock cycles (default: 0x3).
194
[7]
Divider 1 bypass
Bypasses and powers down the divider; routes input to divider output.
[7] = 0; use divider (default).
[7] = 1; bypass divider.
194
[6]
Divider 1 ignore SYNC
Ignore SYNC.
[6] = 0; obey chip-level SYNC signal (default).
[6] = 1; ignore chip-level SYNC signal.
194
[5]
Divider 1 force high
Forces divider output to high. This requires that ignore SYNC also be set.
[5] = 0; divider output forced to low (default).
[5] = 1; divider output forced to high.
194
[4]
Divider 1 start high
Selects clock output to start high or start low.
[4] = 0; start low (default).
[4] = 1; start high.
194
[3:0]
Divider 1 phase offset
Phase offset (default: 0x0).
195
[2]
Channel 1 power-down
Channel 1 powers down.
[2] = 0; normal operation (default).
[2] = 1; powered down. (OUT3/OUT3, OUT4/OUT4, and OUT5/OUT5 are put into the high
impedance power-down mode by setting this bit.)
195
[0]
Disable Divider 1 DCC
Duty-cycle correction function.
[0] = 0; enable duty-cycle correction (default).
[0] = 1; disable duty-cycle correction.
196
[7:4]
Divider 2 low cycles
Number of clock cycles (minus 1) of the divider input during which the divider output stays
low. A value of 0x1 means the divider is low for two input clock cycles (default: 0x1).
196
[3:0]
Divider 2 high cycles
Number of clock cycles (minus 1) of the divider input during which the divider output stays
high. A value of 0x1 means the divider is high for two input clock cycles (default: 0x1).
197
[7]
Divider 2 bypass
Bypasses and powers down the divider; routes input to divider output.
[7] = 0; use divider (default).
[7] = 1; bypass divider.
197
[6]
Divider 2 ignore SYNC
Ignore SYNC.
[6] = 0; obey chip-level SYNC signal (default).
[6] = 1; ignore chip-level SYNC signal.
197
[5]
Divider 2 force high
Forces divider output to high. This requires that ignore SYNC also be set.
[5] = 0; divider output forced to low (default).
[5] = 1; divider output forced to high.
197
[4]
Divider 2 start high
Selects clock output to start high or start low.
[4] = 0; start low (default).
[4] = 1; start high.
197
[3:0]
Divider 2 phase offset
Phase offset (default: 0x0).
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