參數(shù)資料
型號(hào): ADS8412IBPFBTG4
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP48
封裝: GREEN, PLASTIC, TQFP-48
文件頁(yè)數(shù): 11/29頁(yè)
文件大小: 1018K
代理商: ADS8412IBPFBTG4
www.ti.com
APPLICATION INFORMATION
MICROCONTROLLER INTERFACING
ADS8412 to 8-Bit Microcontroller Interface
CS
RD
CONVST
BUSY
BDGND
+VBD
DB[15:8]
Micro
Controller
RD
GPIO
INT
10
F
0.1
F
Analog 5 V
0.1
F
Digital 3 V
Ext Ref Input
Analog Input
+V
A
REFM
AGND
+IN
-IN
ADS8412
0.1
F
REFIN
1
F
AGND
BDGND
GPIO
BYTE
GPIO
P[7:0]
+V
A
REFOUT
REFIN
REFM
AGND
0.1
F
1
F
0.1
F
10
F
Analog 5 V
ADS8412
AGND
ADS8412
SLAS384A – JUNE 2003 – REVISED DECEMBER 2004
Figure 29 shows a parallel interface between the ADS8412 and a typical microcontroller using the 8-bit data bus.
The BUSY signal is used as a falling-edge interrupt to the microcontroller.
Figure 29. ADS8412 Application Circuitry (using external reference)
Figure 30. Use Internal Reference
19
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