1. OVERVIEW ........................................................................................................................................ 3
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3 SIZE AND PIN DEFINITION ............................................................................................................ 8
4. CONNECT TO MCU ......................................................................................................................... 9
5 FUNCTION DESCRIPTION ............................................................................................................ 10
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5.6.1 Indication of UART output ................................................................................................................................ 12
5.6.4 Notes for AUX .................................................................................................................................................... 13
6 OPERATING MODE ........................................................................................................................ 13
6.1 MODE SWITCHING .................................................................................................................... 14
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0) ........................................................................................................................................ 14
1) ............................................................................................................................................ 15
2) ............................................................................................................................ 15
(M
ODE
3) .................................................................................................................................... 15
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CONTENTS