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| 型號： | AD9959/PCBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 31/44頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVALUATION FOR AD9959 |
| 產(chǎn)品培訓(xùn)模塊： | Direct Digital Synthesis Tutorial Series (1 of 7): Introduction Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator |
| 設(shè)計(jì)資源： | Phase Coherent FSK Modulator (CN0186) AD9958/59 Eval Brd Schematics AD9958/59 Eval Brd Gerber Files AD9959 Eval Brd BOM |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 計(jì)時(shí)，直接數(shù)字合成（DDS） |
| 嵌入式： | 否 |
| 已用 IC / 零件： | AD9959 |
| 主要屬性： | 10 位數(shù)模轉(zhuǎn)換器，32 位調(diào)節(jié)字寬 |
| 次要屬性： | 4 通道 |
| 已供物品： | 板，線纜，軟件 |
| 其它名稱： | AD9959/PCB AD9959/PCB-ND Q2548077 |
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AD9959
Rev. B | Page 37 of 44
Table 29. Channel Register Map
Register
Name
(Serial
Address)
Bit
Range
Bit 7
(MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(LSB)
Default
Value
Channel
Function
Register1
(CFR)
(0x03)
[23:16]
Amplitude freq. phase
(AFP) select[23:22]
Open[21:16]
0x00
[15:8]
Linear
sweep
no-dwell
Linear
sweep
enable
Load SRR at
I/O_UPDATE
Open[12:11]
Must be 0
DAC full-scale current
control[9:8]
0x03
[7:0]
Digital
power-
down
DAC
power-
down
Matched
pipe delays
active
Autoclear
sweep
accumulator
Clear sweep
accumulator
Autoclear
phase
accumulator
Clear phase
accumulator2
Sine
output
enable
0x02
Channel
Frequency
Tuning
Word 01
(CFTW0)
(0x04)
[31:24]
Frequency Tuning Word 0[31:24]
0x00
[23:16]
Frequency Tuning Word 0[23:16]
N/A
[15:8]
Frequency Tuning Word 0[15:8]
N/A
[7:0]
Frequency Tuning Word 0[7:0]
N/A
Channel
Phase
Offset
Word 01
(CPOW0)
(0x05)
[15:8]
Open[15:14]
Phase Offset Word 0[13:8]
0x00
[7:0]
Phase Offset Word 0[7:0]
0x00
Amplitude
Control
Register
(ACR)
(0x06)
[23:16]
Amplitude ramp rate[23:16]
N/A
[15:8]
Increment/decrement
step size[15:14]
Open
Amplitude
multiplier
enable
Ramp-up/
ramp-down
enable
Load ARR at
I/O_UPDATE
Amplitude scale
factor[9:8]
0x00
[7:0]
Amplitude scale factor[7:0]
0x00
Linear
Sweep
Ramp
(LSRR)
(0x07)
[15:8]
Falling sweep ramp rate (FSRR)[15:8]
N/A
[7:0]
Rising sweep ramp rate (RSRR)[7:0]
N/A
LSR Rising
Delta
(RDW)
(0x08)
[31:24]
Rising delta word[31:24]
N/A
[23:16]
Rising delta word[23:16]
N/A
[15:8]
Rising delta word[15:8]
N/A
[7:0]
Rising delta word[7:0]
N/A
LSR Falling
Delta
(FDW)
(0x09)
[31:24]
Falling delta word[31:24]
N/A
[23:16]
Falling delta word[23:16]
N/A
[15:8]
Falling delta word[15:8]
N/A
[7:0]
Falling delta word[7:0]
N/A
1 There are four sets of channel registers and profile registers, one per channel. This is not shown in the Table 29 or Table 30 because the addresses of all channel
registers and profile registers are the same for each channel. Therefore, the channel enable bits (CSR[7:4]) determine if the channel registers and/or profile registers of
each channel are written to or not.
2 The clear phase accumulator bit is set to Logic 1 after a master reset. It self-clears or is set to Logic 0 when an I/O update is asserted.
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