參數(shù)資料
型號(hào): TLC320AD55CDWR
廠商: TEXAS INSTRUMENTS INC
元件分類: 模擬信號(hào)調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO28
封裝: PLASTIC, SOP-28
文件頁數(shù): 13/41頁
文件大?。?/td> 203K
代理商: TLC320AD55CDWR
3–2
Figure 3–1 shows the timing relationship for SCLK, FS, DOUT and DIN in a primary communication. The
timing sequence for this operation is as follows:
1.
The TLC320AD55C takes FS low.
2.
One 16-bit word is transmitted from the ADC (DOUT) and one 16-bit word is received for the DAC
(DIN).
3.
The TLC320AD55C takes FS high.
D15
D14
...D2
D1
tdis
SCLK
FS
tsu
td1
ten
D0
D15
D14
...D2
D1
th
D0
DIN
DOUT
td2
In 16-Bit Mode:
MSB
tsu
D15
D14
...D2
D1
th
FC
DIN
In 16-Bit Mode:
MSB
LSB
td3
MCLK
0th
1st
2nd
14th
15th
16th
VIH
VIL
VOH
VOL
VOH
VOL
Figure 3–1. Primary Serial Communication Timing
When a secondary request is made through the LSB of the DAC data word (16-bit mode), the format shown
in Figure 3–2 is used:
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
15-bit DAC
2s-complement format
16-bit ADC
2s-complement format
control
Figure 3– 2. DAC and ADC Word Lengths
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