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AD9520-5 数据表(PDF) 65 Page - Analog Devices

部件名 AD9520-5
功能描述  12 LVPECL/24 CMOS Output Clock Generator
PDF  74 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD9520-5 数据表(HTML) 65 Page - Analog Devices

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Data Sheet
AD9520-5
Rev. B | Page 65 of 74
Table 49. Output Driver Control
Reg
Addr
(Hex) Bits
Name
Description
0x0F0 7
OUT0 format
Selects the output type for OUT0.
0: LVPECL (default).
1: CMOS.
[6:5]
OUT0 CMOS
configuration
Sets the CMOS output configuration for OUT0 when Register 0x0F0[7] = 1.
Bits[6:5]
OUT0A
OUT0B
00
01
10
11 (default)
Tristate
On
Tristate
On
Tristate
Tristate
On
On
[4:3]
OUT0 polarity
Sets the output polarity for OUT0.
Bit 7
Bit 4
Bit 3
Output Type
OUT0A
OUT0B
0 (default)
0
1
1
1
1
X
X
0 (default)
0
1
1
0 (default)
1
0
1
0
1
LVPECL
LVPECL
CMOS
CMOS
CMOS
CMOS
Noninverting
Inverting
Noninverting
Inverting
Noninverting
Inverting
Inverting
Noninverting
Noninverting
Inverting
Inverting
Noninverting
[2:1]
OUT0 LVPECL
differential voltage
Sets the LVPECL output differential voltage (VOD).
Bit 2
Bit 1
VOD (mV)
0
0
1 (default)
1
0
1
0 (default)
1
400
600
780
960
0
OUT0 LVPECL
power-down
LVPECL power-down.
0: normal operation (default).
1: safe power-down.
0x0F1 [7:0]
OUT1 control
This register controls OUT1, and the bit assignments for this register are identical to Register 0x0F0.
0x0F2 [7:0]
OUT2 control
This register controls OUT2, and the bit assignments for this register are identical to Register 0x0F0.
0x0F3 [7:0]
OUT3 control
This register controls OUT3, and the bit assignments for this register are identical to Register 0x0F0.
0x0F4 [7:0]
OUT4 control
This register controls OUT4, and the bit assignments for this register are identical to Register 0x0F0.
0x0F5 [7:0]
OUT5 control
This register controls OUT5, and the bit assignments for this register are identical to Register 0x0F0.
0x0F6 [7:0]
OUT6 control
This register controls OUT6, and the bit assignments for this register are identical to Register 0x0F0.
0x0F7 [7:0]
OUT7 control
This register controls OUT7, and the bit assignments for this register are identical to Register 0x0F0.
0x0F8 [7:0]
OUT8 control
This register controls OUT8, and the bit assignments for this register are identical to Register 0x0F0.
0x0F9 [7:0]
OUT9 control
This register controls OUT9, and the bit assignments for this register are identical to Register 0x0F0.
0x0FA [7:0]
OUT10 control
This register controls OUT10, and the bit assignments for this register are identical to Register 0x0F0.
0x0FB [7:0]
OUT11 control
This register controls OUT11, and the bit assignments for this register are identical to Register 0x0F0.
0x0FC 7
CSDLD en OUT7
OUT7 is enabled only if the CSDLD signal is high.
Bit 7
CSDLD
Signal
OUT7 Enable Status
0
1
1
0
0
1
Not affected by CSDLD signal (default).
Asynchronous power-down.
Asynchronously enables OUT7 if not powered down by other settings. For this feature, use current
source digital lock detect and set the enable LD pin comparator bit (Register 0x01D[3]).
6
CSDLD en OUT6
OUT6 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
5
CSDLD en OUT5
OUT5 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
4
CSDLD en OUT4
OUT4 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
3
CSDLD en OUT3
OUT3 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
2
CSDLD en OUT2
OUT2 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
1
CSDLD en OUT1
OUT1 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
0
CSDLD en OUT0
OUT0 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
0x0FD [7:4]
Unused
Unused.
3
CSDLD en OUT11
OUT11 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
2
CSDLD en OUT10
OUT10 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
1
CSDLD en OUT9
OUT9 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].
0
CSDLD en OUT8
OUT8 is enabled only if CSDLD is high. Setting is identical to Register 0x0FC[7].



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