參數(shù)資料
型號： AD9912A/PCBZ
廠商： Analog Devices Inc
文件頁數(shù)： 22/40頁
文件大?。?/td> 0K
描述： BOARD EVALUATION FOR AD9912
產(chǎn)品培訓模塊： 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
標準包裝： 1
主要目的： 計時，直接數(shù)字合成（DDS）
嵌入式： 否
已用 IC / 零件： AD9912
主要屬性： 14 位數(shù)模轉(zhuǎn)換器，48 位調(diào)節(jié)字寬
次要屬性： 1GHz 圖形用戶界面
已供物品： 板
AD9912
Rev. F | Page 29 of 40
Table 10. Serial Control Port, 16-Bit Instruction Word, MSB First
MSB
LSB
I15
I14
I13
I12
I11
I10
I9
I8
I7
I6
I5
I4
I3
I2
I1
I0
R/W
W1
W0
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
0
676
3-
0
43
CSB
SCLK DON'T CARE
SDIO
A12
W0
W1
R/W
A11 A10 A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
D7 D6
D5
D4
D3
D2 D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
DON'T CARE
16-BIT INSTRUCTION HEADER
REGISTER (N) DATA
REGISTER (N – 1) DATA
Figure 51. Serial Control Port Write—MSB First, 16-Bit Instruction, Two Bytes Data
CS
SCLK
SDIO
SDO
REGISTER (N) DATA
16-BIT INSTRUCTION HEADER
REGISTER (N – 1) DATA
REGISTER (N – 2) DATA
REGISTER (N – 3) DATA
A12
W0
W1
R/W
A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
DON'T CARE
DON'T
CARE
D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0
06
763
-05
7
Figure 52. Serial Control Port Read—MSB First, 16-Bit Instruction, Four Bytes Data
06
76
3-
0
45
tS
DON'T CARE
W1
W0
A12
A11
A10
A9A8A7A6A5
D4D3
D2D1D0
DON'T CARE
R/W
tDS
tDH
tHI
tLO
tCLK
tH
CSB
SCLK
SDIO
Figure 53. Serial Control Port Write—MSB First, 16-Bit Instruction, Timing Measurements
06
76
3-
04
6
DATA BIT N – 1
DATA BIT N
CSB
SCLK
SDIO
SDO
tDV
Figure 54. Timing Diagram for Serial Control Port Register Read
0
676
3-
0
47
CSB
SCLK DON'T CARE
DON'T CARE
16-BIT INSTRUCTION HEADER
REGISTER (N) DATA
REGISTER (N + 1) DATA
SDIO
DON'T CARE
A0 A1
A2
A3
A4
A5 A6
A7
A8
A9 A10 A11 A12
D1
D0
R/W
W1
W0
D2
D3
D4
D5 D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
Figure 55. Serial Control Port Write—LSB First, 16-Bit Instruction, Two Bytes Data
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