參數(shù)資料
型號: TLC320AD50C-I
廠商: Texas Instruments, Inc.
英文描述: SIGMA-DELTA ANALOG INTERFACE CIRCUITS WITH MASTER-SLAVE FUNCTION
中文描述: sigma - delta模擬接口,具有大師電路,從功能
文件頁數(shù): 53/84頁
文件大?。?/td> 447K
代理商: TLC320AD50C-I
4–5
Delay Is m Shift Clocks
Delay Is m Shift Clocks
Delay Is m Shift Clocks
Master
FS
Master FSD,
Slave Device 1 FS
Slave Device 1 FSD,
Slave Device 2 FS
Slave Device 2 FSD,
Slave Device 3 FS
Slave Device
(n – 1) FSD,
Slave Device n FS
The delay time from any FS signals to the corresponding FSD signals is m shift clocks with the value of m being the
numerical value of the data programmed into the FSD register. In the master mode with slaves, the same data word
programs the master and all slave devices; therefore, master to slave 1, slave 1 to slave 2, slave 2 to slave 3, etc., have
the same delay time.
Figure 4–10. Master-Slave Frame-Sync Timing After a Delay Has Been
Programmed Into the FSD Registers
1/2 Period
Sampling
Period
FSD
Value
MP
MP
MP
MP
MP
MP
MS
MS
MP
MP
MP
SP
SP
MP
MP
MP
MS
SP
SP
SP
SS
MS
SS
MS
SS
t = 0
t = 1
t = 2
Master AIC
Only Primary
Frame Sync
FS
Master AIC
Only Primary
and Secondary
Frame Sync
FS
Master and Slave
AIC Primary
Frame Sync
FS
Master and Slave
AIC Primary and
Secondary
Frame Sync
FS
MP = Master Primary
MS = Master Secondary
SP = Slave Primary
SS = Slave Secondary
SP
Figure 4–11. Master and Slave Frame-Sync Sequence with One Slave
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