參數(shù)資料
型號: TLC320AD52C
廠商: Texas Instruments, Inc.
英文描述: Sigma-Delta Analog Interface Circuits With Master-Slave Function(帶主從功能的∑△模擬接口電路,高分辨率信號轉(zhuǎn)換)
中文描述: sigma - delta模擬接口電路的主從功能(帶主從功能的Σ△模擬接口電路,高分辨率信號轉(zhuǎn)換)
文件頁數(shù): 24/59頁
文件大小: 306K
代理商: TLC320AD52C
2–10
2.7.2
Frame-sync timing is generated externally by the master FSD and is applied to FS of the slave to control
the ADC and DAC timing.
Frame Sync (FS) Function,Slave Mode
2.7.3
For the master, the FSD (frame-sync delayed) output occurs 1/4 shift-clock period ahead of FS to
compensate for the time delay through the master and slave devices. The timing relationships are as follows:
Frame-Sync Delayed (FSD) Function, Master Mode
When the FSD register (control 3 register) data is 0, then FSD goes low 1/4 SCLK prior to the
rising edge of SCLK when FS goes low (figure 2–10).
When the FSD register data is greater than 17, then FSD goes low on the rising edge of SCLK
that is the FSD register number of SCLKs after the falling edge of FS (figure 2–11).
Register data values from 1 to 17 result in a default register value of zero and should not be used.
SCLK
MP and SP
FSD
(P and S)
FS (P)
FSD (P)
MS and SS
FS
(P and S)
The DIN of master and slave devices share the same DIN bus during first initialization. The DOUT is occupied by Master
device only until the control register 3 of master and slave device is programmed with slave devices number and number
of SCLKs between FS and FSD (m>17).
P&S: Primary and secondary communications P: Primary communication only
Figure 2–10. Master Device FS and FSD Output When FSD Register (D0–D5, Control Register 3)
is 0
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