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T-Link-EV5273/5276/5250 User Manual
UM-T-Link-EV5273_5276_5250
_E
5
Rev 0.90, 2016/11/07
3.
T-Link-EV5273/5276/5250 Hardware Description
3.1
Power Setting
P6: Connect to external power (EV5273/5276/5250 Board)
P4: Internal or external power source selection (EV5273/5276/5250 Board)
P11: Internal power selection (T-Link Board)
MCU Power
P11
P6
P4
External Power
USB or 3.3V
EXT_Power
EXT
Internal Power
USB or 3.3V
X
T-Link Board
3.2
USB Connecter
P3: Mini USB connector to PC (T-Link Board)
3.3
Reset Button
Reset: Reset Button (EV5273/5276/5250 Board)
3.4
External Power Connecter
P6: External VCC connecter (EV5273/5276/5250 Board)
P5: External GND connecter (EV5273/5276/5250 Board)
3.5
MCU External Frequency-FXT/SXT
X1: crystal FXT (1~10M) /SXT(32.768K) (EV5273/5276/5250 Board)
C9: matching capacitor (EV5273/5276/5250 Board)
C10: matching capacitor (EV5273/5276/5250 Board)