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AD9656EBZ 数据表(PDF) 33 Page - Analog Devices

部件名 AD9656EBZ
功能描述  Quad, 16-Bit, 125 MSPS 1.8 V Analog-to-Digital Converter
PDF  47 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD9656EBZ 数据表(HTML) 33 Page - Analog Devices

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AD9656
Data Sheet
Rev. A | Page 32 of 46
CONVERTER A
CONVERTER B
CONVERTER C
CONVERTER D
CROSSPOINT
SWITCH
SERDOUT0±
SERDOUT1±
SERDOUT2±
SERDOUT3±
SEE REGISTER
0xF5
DESCRIPTION
JESD204B
LANE CONTROL
(M = 4, L = 1, 2, 4)
LANE MUX
VINA+/
VINA–
VINB+/
VINB–
VINC+/
VINC–
VIND+/
VIND–
SYNCINB+/
SYNCINB–
SYSREF+/
SYSREF–
Figure 68. AD9656 Transmit Link Simplified Conceptual Block Diagram
8B/10B
ENCODER/
CHARACTER
REPLACMENT
SERIALIZER
t
. . .
SYNCINB±
SYSREF±
VINA+
VINA–
SERDOUT±
A PATH
ADC
TEST PATTERN
16-BIT
JESD204B
TEST PATTERN
8-BIT
ADC
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
S0
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
E0
E1
E2
E3
E4
E5
E6
E7
E10
E11
E12
E13
E14
E15
E16
E17
E8
E9
E0 E1 E2 E3 E4 E5 E6 E7 E8 E9
E18
E19
E19
OPTIONAL
SCRAMBLER
1 + x14 + x15
JESD204B
TEST PATTERN
10-BIT
Figure 69. AD9656 Digital Processing of JESD204B Lanes
Table 15. AD9656 JESD204B Typical Configurations
JESD204B Quick
Configuration
Setting,
Register 0x5E
M (No. of
Converters),
Register 0x71,
Bits[7:0]
L (No. of Lanes),
Register 0x6E,
Bits[4:0]
F (Octets/Frame),
Register 0x6F,
Bits[7:0], Read Only
S (Samples/ADC/Frame),
Register 0x74, Bits[4:0],
Read Only
HD (High Density Mode),
Register 0x75, Bit[7],
Read Only
0x41
4
1
8
1
0
0x42
4
2
4
1
0
0x44
4
4
2
1
0
0x22
2
2
2
1
0
0x21
2
1
4
1
0
0x11
1
1
2
1
0
DATA
FROM
ADC
FRAME
ASSEMBLER
(ADD TAIL BITS)
OPTIONAL
SCRAMBLER
1 + x14 + x15
8B/10B
ENCODER
TO
RECEIVER
Figure 70. AD9656 ADC Output Data Path
Table 16. AD9656 JESD204B Frame Alignment Monitoring and Correction Replacement Characters
Scrambling
Lane Synchronization
Character to be Replaced
Last Octet in
Multiframe
Replacement Character
Off
On
Last octet in frame repeated from previous frame
No
K28.7
Off
On
Last octet in frame repeated from previous frame
Yes
K28.3
Off
Off
Last octet in frame repeated from previous frame
Not applicable
K28.7
On
On
Last octet in frame equals D28.7
No
K28.7
On
On
Last octet in frame equals D28.3
Yes
K28.3
On
Off
Last octet in frame equals D28.7
Not applicable
K28.7



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