To Mcu; Description; Fixed Transmission - Ebyte E32-170T30D User Manual

ebhe Chengdu Ebyte Electronic Technology Co,Ltd E32-170T30D user manual
4 XD Output TTL UART outputs, connects to external RXD (MCU, PC) input pin. Can
be configured as open-drain or push-pull output
To indicate module * s working status & wakes up the external MCU.
5 AUX Output During the procedure of self-check initialization, the pin outputs low
level. Can be configured as push-pull output (suspending 1s allowed).
6 vce Input Power supply : 2.3~52V DC
7 GND Input Ground
8 Fixed orifice - Fixed orifice
9 Fixed onfice - Fixed onfice
10 Fixed onfice - Fixed onfice
ul MCU
19 18
—9 PC1 PCO Oo —
3 O Pcs PB7 ETE 5 i
—,9 PAO PB6 O 15 > g Mo i
— PA1 pPB5 © Sh 5 QO Mm El
E— PA2 USART RX © 1 bo : OQ RXD S
—O m3 USART_TX [O—~ . gq ™o E
— 9 VSS PB4 © 13 & J AUX | «
HY VDD PB3 ETE 8
a PDO PB2 ETE
—CO PBO PBT O———
vce GND
No. Description (STMSL MCU)
1 The UART module 1s TTL level.
2 For some MCU works at 5VDC, it may need to add 4-10K pull-up resistor for the TXD & AUX pin.
5 Function description
5.1 Fixed transmission
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