參數(shù)資料
型號: AD9958
廠商: Analog Devices, Inc.
英文描述: 2-Channel 500 MSPS DDS with 10-Bit DACs
中文描述: 雙通道500 MSPS的DDS的10位DAC
文件頁數(shù): 32/40頁
文件大?。?/td> 1051K
代理商: AD9958
AD9958
Rev. 0 | Page 32 of 40
SCLK
SDIO_0
INSTRUCTION CYCLE
DATA TRANSFER CYCLE
CS
I7
(I0)
I6
(I1)
I5
(I2)
I4
(I3)
I3
(I4)
I2
(I5)
I1
(I6)
I0
(I7)
D7
(D0)
D6
(D1)
D5
(D2)
D4
(D3)
D3
(D4)
D2
(D5)
D1
(D6)
D0
(D7)
0
Figure 42. Single-Bit Serial Mode Write Timing—Clock Stall Low
INSTRUCTION CYCLE
DATA TRANSFER CYCLE
CS
SCLK
SDIO_1
SDIO_0
D7
(D1)
D5
(D3)
D3
(D5)
D1
(D7)
D6
(D0)
D4
(D2)
D2
(D4)
D0
(D6)
I6
(I0)
I4
(I2)
I2
(I4)
I0
(I6)
I7
(I1)
I5
(I3)
I3
(I5)
I1
(I7)
0
Figure 43. 2-Bit Serial Mode Write Timing—Clock Stall Low
INSTRUCTION CYCLE
DATA TRANSFER CYCLE
SCLK
SDIO_1
SDIO_0
SDIO_2
SDIO_3
CS
I7
(I3)
I1
(I5)
I5
(I1)
I3
(I7)
I6
(I2)
I0
(I4)
I4
(I0)
I2
(I6)
D7
(D3)
D1
(D5)
D5
(D1)
D3
(D7)
D6
(D2)
D0
(D4)
D4
(D0)
D2
(D6)
0
Figure 44. 4-Bit Serial Mode Write Timing—Clock Stall Low
Figure 45 through Figure 48 represent read timing diagrams for each serial I/O modes available. Both MSB and LSB-first modes are
shown. LSB-first bits are shown in parenthesis. The clock stall low/high feature shown is not required. It is used to show that data (SDIO)
must have the proper set-up time relative to the rising edge of SCLK for the instruction byte and the read data that follows the falling edge
of SCLK.
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