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6.3 List of Test Points
Table 2. UCD3138OL64EVM-031 Test Point Functions
TEST POINTS NAME DESCRIPTION
TP1 UART J4-2 UART transmitting
TP2 UART J4-3 UART receiving
TP3 UART GND DGND
TP4 J38-1 DGND
TP5 FLTR-DPWM2 DPWM2 front end connection
TP6 DGND Digital GND
TP7 EAP2S EAP2 before filter
TP8 FLTR-DPWM0 DPWM0 front end connection
TP9 FLTR-DPWM1 DPWM1 front end connection
TP10 +3.3V 3.3 V
TP11 J35-3 Logic analyzer pin 3
TP12 J35-1 Logic analyzer pin 1
TP13 J38-4 3.3 V to outside circuit
TP14 J35-4 Logic analyzer pin 4
TP15 J35-2 Logic analyzer pin 2
TP16 AGND AGND
TP17 DGND DGND
TP18 FFCS Feed forward control selection
TP19 FFC_adj Feed forward control adjustment
TP20 Q3 Gate Ramp generator
TP21 Q3 and Q4 drain Ramp generator
TP22 Q4 gate Ramp generator
J1 JTAG
J2, 5 LED D1 and D2 control
J3, 6,9,10,42 PMBus
J4,16,17 UART, DB-9 female, RS232
J7, 8,11 EADC and DPWM
J12,13,18,20,21 ADC12
J14,15, 22, 23 DPWM
J19,41 Feed forward control
J24,25,26,27,30,31,36,3 UCD3138 pinout headers
7
J28,29,32 Faults connections
J33,34,38,39 Board bias power management
J35 Logic Analyzer Connector, not populated
J40 AGND strip
S1 UCD3138 reset, press to reset.
18
Using the UCD3138OL64EVM-031 SLUUA10–October 2012
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