Ebyte E32-868T20D User Manual
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Contents
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Chengdu Ebyte Electronic Technology Co,;Ltd E32-868T20D user manualCopyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd. 6（weak pull-up） not used, could be grounded).3 RXD Input TTL UART inputs, connects to external (MCU, PC) TXD output pin. Canbe configured as open-drain or pull-up input.4 TXD Output TTL UART outputs, connects to external RXD (MCU, PC) input pin. Canbe configured as open-drain or push-pull output5 AUX OutputTo indicate module ’ s working status & wakes up the external MCU.During the procedure of self-check initialization, the pin outputs lowlevel. Can be configured as push-pull output (suspending is allowed).6 VCC Input Power supply ：2.3~ 5.2V DC7 GND Input Ground8 Fixed orifice Fixed orifice9 Fixed orifice Fixed orifice10 Fixed orifice Fixed orifice4 Connect to MCUNo. Description（STM8L MCU）1 The UART module is TTL level.2 For some MCU works at 5VDC, it may need to add 4-10K pull-up resistor for the TXD & AUX pin. |
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