Information in other sections
Feature description
Features Served by the Slave DSP ( DS1103
Features)
Noise, crosstalk and inductive effects can degrade the
signal and lead to incorrect results if you do not perform
the following correctly.
Grounding and Shielding
Proper grounding and shielding reduces noise and inductive effects.
196
Reducing Crosstalk 200
Wiring Up External Devices 200
I/O Circuit and Electrical Characteristics
The following illustrations are simplified diagrams of the input/output
circuitry of the slave DSP I/O.
I/O circuit
Output
Enable
33 Ω
10 kΩ
VCC
→
I
SADCH1, 2, 9, 10
SPWM1 ... SPWM9
ST1PWM ... ST3PWM
SCAP1 ... SCAP4
STMRDIR, STMRCLK, STINT2,
SADCSOC, SXF, SBIO
SSOMI, SSIMO, SSTE, SSCLK
s
Signal Connection to External Devices
t
172
s
DS1103 Hardware Installation and Configuration November 2014
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