參數(shù)資料
型號: AD9522-5/PCBZ
廠商: Analog Devices Inc
文件頁數(shù): 66/76頁
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR AD9522-5
設(shè)計資源: AD9522 Eval Board Schematic
AD9522 BOM
標(biāo)準(zhǔn)包裝: 1
主要目的: 計時,時鐘發(fā)生器
嵌入式:
已用 IC / 零件: AD9522-5
主要屬性: 12 LVDS/24 CMOS 輸出
次要屬性: I²C & SPI 接口
已供物品:
AD9522-5
Rev. 0 | Page 69 of 76
Reg.
Addr
(Hex) Bit(s) Name
Description
0FC
[2]
CSDLD En OUT2 OUT2 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
0FC
[1]
CSDLD En OUT1 OUT1 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
0FC
[0]
CSDLD En OUT0 OUT0 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
0FD
[3]
CSDLD En
OUT11
OUT11 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
0FD
[2]
CSDLD En
OUT10
OUT10 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
0FD
[1]
CSDLD En OUT9 OUT9 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
0FD
[0]
CSDLD En OUT8 OUT8 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
Table 49. LVDS Channel Dividers
Reg.
Addr
(Hex) Bit(s) Name
Description
190
[7:4]
Divider 0 low cycles
Number of clock cycles (minus 1) of the divider input during which the divider output stays
low. A value of 0x7 means the divider is low for eight input clock cycles (default: 0x7).
190
[3:0]
Divider 0 high cycles
Number of clock cycles (minus 1) of the divider input during which the divider output stays
high. A value of 0x7 means the divider is high for eight input clock cycles (default: 0x7).
191
[7]
Divider 0 bypass
Bypasses and powers down the divider; routes input to divider output.
[7] = 0; use divider (default).
[7] = 1; bypass divider.
191
[6]
Divider 0 ignore SYNC
Ignore SYNC.
[6] = 0; obey chip-level SYNC signal (default).
[6] = 1; ignore chip-level SYNC signal.
191
[5]
Divider 0 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.
191
[4]
Divider 0 start high
Selects clock output to start high or start low.
[4] = 0; start low (default).
[4] = 1; start high.
191
[3:0]
Divider 0 phase offset
Phase offset (default: 0x0).
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.
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