参数资料
型号: AD6624A
厂商: Analog Devices, Inc.
英文描述: Four-Channel, 100 MSPS Digital Receive Signal Processor (RSP)
中文描述: 四通道,100 MSPS的数字接收信号处理器(RSP)
文件页数: 27/40页
文件大小: 636K
代理商: AD6624A
REV. 0
AD6624A
–27–
Table VIII. Channel Address Memory Map
Ch Address
Register
Bit Width
Comments
128
×
20-Bit Memory
0:
SLEEP Bit from EXT_ADDRESS 3
1:
Hop
0:
Start
2:
First SYNC Only
1:
Hop_En
0:
Start_En
Start Hold-Off Value
NCO_FREQ Hold-Off Value
NCO_FREQ[15:0]
NCO_FREQ[31:16]
NCO_PHASE[15:0]
8
7:
SYNC Input Select[1:0]
6:
WB Input Select B/A
5
4:
Input Enable Control
11:
Clock On IEN Transition to Low
10:
Clock On IEN Transition to High
01:
Clock On IEN High
00:
Mask On IEN Low
3:
Clear Phase Accumulator On HOP
2:
Amplitude Dither
1:
Phase Dither
0:
Bypass (A-Input -> I-Path, B -> Q)
00
7F
80
81
Coefficient Memory (CMEM)
CHANNEL SLEEP
Soft_Sync Control Register
20
1
2
82
Pin_SYNC Control Register
3
83
84
85
86
87
88
Start Hold-Off Counter
NCO Frequency Hold-Off Counter
NCO Frequency Register 0
NCO Frequency Register 1
NCO Phase Offset Register
NCO Control Register
16
16
16
16
16
9
89
8F
90
91
92
Unused
rCIC2 Decimation
1
rCIC2 Interpolation
1
rCIC2 Scale
12
9
12
M
rCIC2
1
L
rCIC2
1
11:
10:
9
5:
4
0:
Reserved (Must Be Written Low)
M
CIC5
1
4
0:
CIC5_SCALE[4:0]
Reserved (Must Be Written Low)
Exponent Invert
Exponent Weight
rCIC2_QUIET[4:0]
rCIC2_LOUD[4:0]
93
94
95
96
97
9F
A0
A1
A2
A3
A4
Reserved
CIC5 Decimation
1
CIC5 Scale
Reserved
Unused
RCF Decimation
1
RCF Decimation Phase
RCF Number of Taps
1
RCF Coefficient Offset
RCF Control Register
8
8
5
8
8
8
8
8
11
M
RCF
1
P
RCF
N
TAPS
1
CO
RCF
10:
9:
8:
7:
6:
5
4:
RCF Bypass BIST
RCF Input Select (Own 0, Other 1)
Program RAM Bank 1/0
Use Common Exponent
Force Output Scale
Output Format
1x:
Floating Point 12 + 4
01:
Floating Point 8 + 4
00:
Fixed Point
3
0: Output Scale
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