參數(shù)資料
型號(hào): AD9522-5/PCBZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 69/76頁(yè)
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR AD9522-5
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: AD9522-5
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 71 of 76
Reg.
Addr
(Hex) Bit(s) Name
Description
19B
[2]
Channel 3 power-down
Channel 3 powers down.
[2] = 0; normal operation (default).
[2] = 1; powered down. (OUT9/OUT9, OUT10/OUT10, and OUT11/OUT11 are put into the high
impedance power-down mode by setting this bit.)
19B
[0]
Disable Divider 3 DCC
Duty-cycle correction function.
[0] = 0; enable duty-cycle correction (default).
[0] = 1; disable duty-cycle correction.
Table 50. VCO Divider and CLK Input
Reg.
Addr
(Hex) Bit(s) Name
Description
1E0
[2:0]
VCO divider
[2]
[1]
[0]
Divide
0
2 (default)
0
1
3
0
1
0
4
0
1
5
1
0
6
1
0
1
Output static
1
0
1 (bypass)
1
Output static
1E1
[4]
Power-down clock input section
Powers down the clock input section (including CLK buffer, VCO divider, and CLK tree).
[4] = 0; normal operation (default).
[4] = 1; power down.
1E1
[0]
Bypass VCO divider
Bypasses or uses the VCO divider.
[0] = 0; use VCO divider (default).
[0] = 1; bypass VCO divider.
Table 51. System
Reg.
Addr
(Hex) Bit(s) Name
Description
230
[3]
Disable power-on SYNC
Power-on SYNC mode. Used to disable the antiruntpulse circuitry.
[3] = 0; enable the antiruntpulse circuitry (default).
[3] = 1; disable the antiruntpulse circuitry.
230
[2]
Power-down SYNC
Powers down the SYNC function.
[2] = 0; normal operation of the SYNC function (default).
[2] = 1; power-down the SYNC circuitry.
230
[1]
Power-down distribution reference
Powers down the reference for the distribution section.
[1] = 0; normal operation of the reference for the distribution section (default).
[1] = 1; powers down the reference for the distribution section.
230
[0]
Soft SYNC
The soft SYNC bit works the same as the SYNC pin, except that the polarity of the bit
is reversed; that is, a high level forces the selected channels into a predetermined
static state, and a 1-to-0 transition triggers a SYNC.
[0] = 0; same as SYNC high.
[0] = 1; same as SYNC low.
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