DSP56F803EVM Freescale Semiconductor, DSP56F803EVM Datasheet - Page 31
DSP56F803EVM
Manufacturer Part Number
DSP56F803EVM
Description
KIT EVALUATION FOR DSP56F803
Manufacturer
Freescale Semiconductor
Datasheets
1.CWH-UTP-ONCE-HE.pdf
(2 pages)
2.DSP56F803EVM.pdf
(68 pages)
3.DSP56F803BU80E.pdf
(52 pages)
Specifications of DSP56F803EVM
Processor To Be Evaluated
56F803
Data Bus Width
16 bit
Interface Type
RS-232, JTAG
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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2.14.1 UNI-3 Motor Protection Logic
The UNI-3 DC Bus Over-Voltage signal is connected to the controller’s PWM group’s fault
input, FAULT0. The UNI-3 DC Bus Over-Current signal is connected to the device’s PWM
group’s fault input, FAULT1. Additionally, the UNI-3 DC Bus Over-Voltage and Over-Current
analog signals are connected to two A/D inputs, AN0 and AN1, respectively.
contains the diagram of the DC Bus Over-Voltage and DC Bus Over-Current circuit for the
UNI-3 interface.
Freescale Semiconductor
Figure 2-11. DC Bus Over-Voltage and Over-Current Detection Schematic Diagram
V_sense_DCB
I_sense_DCB
DC BUS CURRENT SENSE
DC BUS VOLTAGE SENSE
+5.0V
Technical Summary, Rev. 5
+5.0V
+5.0V
+5.0V
+
–
+
–
LM393
LM393
+3.3V
+3.3V
Figure 2-11
FAULT1
FAULT0
Motor Protection Logic
2-15
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