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VM4016 Programming 39
DACDATA
DACLOAD#
DACCLK
TRIGLEV1
U8
DAC
CONTROL
+
-
4.7K
470K
1K
COMPCH1
VCC
+
-
10pf
2K
6K
100K
10K
100K
100K
+CH1
-CH1
U17A
K9
100K
10K
K9
4.7K
BUFCH1
U13A
U3
DATA 0-15
4.7K
1K
10K
VCC
IRQOUT
COMPCH2
TRIGLEV2
TRIGLEV2
VCC
+
-
10pf
2K
6K
100K
10K
100K
100K
+CH2
-CH2
U17B
K1
100K
10K
K1
+
-
4.7K
470K
1K
4.7K
BUFCH2
U13B
IRQ*
CONTROL
TO
VMIP
BUS
Q33
INPUT
SIGNAL
FROM
FRONT
PANEL
CONNECTOR
FIGURE 3-2: BRACKETING AN INPUT VOLTAGE