APT7846 查看數據表（PDF） - Anpec Electronics
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APT7846 Datasheet PDF : 15 Pages
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APT7846
PENIRQ
TEMP 1
TEMP 0
+Vcc VREF
A2-A0
(Shown 001B)
SER/DFR
(Shown HIGH)
Ref ON/OFF
X+
X-
Y+
+IN +REF
Y-
CONVERTER
-IN
2.65V
-REF
Reference
VBAT
7.5K Ω
2.5K Ω
IN
GND
Battery
On
FIGURE 2. Simplified Diagram of Analog Input
A2 A1 A0 VBAT AUXIN TEMP
Y-
X+
Y+
Y-POSITION
X-
POSITION
Z1-
POSITION
Z2-
POSITION
X-
DRIVERS
Y-
DRIVERS
000
+IN(TEMP 0)
OFF
OFF
001
+IN
Measure
OFF
ON
0 1 0 +IN
OFF
OFF
011
+IN
Measure
X-,ON Y+,ON
100
+IN
Measure X-,ON Y+,ON
101
+IN
Measure
ON
OFF
110
+IN
OFF
OFF
111
+IN(TEMP 1)
OFF
OFF
TABLE I. Input Configuration , Single-Ended Reference Mode (SER/ ,.4 HIGH).
A2 A1 A0 +REF -REF Y- X+ Y+ Y-POSITION X-POSITION Z1-POSITION Z2-POSITION DRIVERS ON
0 0 1 Y+ Y-
+IN
Measure
Y+,Y-
0 1 1 Y+ X-
+IN
Measure
Y+,X-
1 0 0 Y+ X- +IN
Measure
Y+,X-
1 0 1 X+ X-
+IN
Measure
X+,X-
TABLE II. Input Configuration , Differential Reference Mode (SER/ ,.4 LOW).
Copyright ANPEC Electronics Corp.
6
Rev. A.6 - Dec., 2001
www.anpec.com.tw
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