Ebyte E70-433NW3S0 User Manual page 7

Chengdu Ebyte Electronic Technology Co,;Ltd
33 NC
34 NC
35 NC
36 RXD
37 TXD
38 AUX
39 NC
40 NC
41 NC
42 TX_EN
43 RX_EN
44 RX_EN
45 TX_EN
46 GND
47 GND
48 ANT
This product can achieve Pin compatibility, Pin to Pin replacement

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Copyright ©2012–2019，
before transmission and pulled up after success. It can be configured as drain open
circuit output or push-pull output. When it is used, a 1K protection resistor should be
connected externally in series
Reserved pin Reserved, to be floated
Reserved pin Reserved, to be floated
Reserved pin Reserved, to be floated
TTL UART inputs, connects to external (MCU, PC) TXD output pin. Can be
Input
configured as open-drain or pull-up input.
TTL UART outputs, connects to external RXD (MCU, PC) input pin. Can be
Output
configured as open-drain or push-pull output
To indicate module ' s working status & wakes up the external MCU. During the
Output procedure of self-check initialization, the pin outputs low level. Can be configured as
push-pull output (suspending is allowed).
Reserved pin Reserved, to be floated
Reserved pin Reserved, to be floated
Reserved pin Reserved, to be floated
Internal single chip microcomputer control PA pin, high level effective, connected 45
Output
pin
Internal single chip microcomputer control LNA pin, high level effective, connected
Output
44 pin
Internal single chip microcomputer control LNA pin, high level effective, connected
Input
43 pin
Internal single chip microcomputer control PA pin, high level effective, connected 42
Input
pin
Ground Ground electrode
Ground Ground electrode
Antenna 50 ohm impedance
E70-433NW30S user manual
(it can be suspended).
6