參數(shù)資料
型號: TLC320AD55C
廠商: Texas Instruments, Inc.
英文描述: Sigma-Delta Analog Interface Circuit(Sigma-Delta 模擬接口)
中文描述: sigma - delta模擬接口電路(Σ-Δ模擬接口)
文件頁數(shù): 25/41頁
文件大?。?/td> 256K
代理商: TLC320AD55C
3–7
3.5
This function is provided for applications that need hardware control and monitor of external events. By
allowing the device to drive two FLAG terminals (set through the control 2 register), the host digital signal
processor (DSP) is capable of system control through the same serial port connection to the device. Along
with this control is the capability for monitoring the value of the ALT DATA terminal during a secondary
communication cycle. One application for this function is in monitoring ring detect or offhook detect from a
phone answering system. The two FLAG terminals allow response to these incoming control signals. Figure
3–8 shows the timing associated with this operating mode.
Phone Mode Control
DOUT
(Secondary
Write)
Primary
Secondary
Primary
Secondary
Primary
ALT DATA
ALT DATA
DIN
FLAG 0,
FLAG 1
DOUT
(Secondary
Read)
ALT DATA
Register
Data
8 SCLKs
1 SCLK MAX
FS
相關(guān)PDF資料
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