Chengdu Ebyte Electronic Technology Co,;Ltd E 70-433NW30S user manual
Copyright ©2012–2019
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Chengdu Ebyte Electronic Technology Co,;Ltd 6
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
(it can be suspended).
33
NC
Reserved pin
Reserved, to be floated
34
NC
Reserved pin
Reserved, to be floated
35
NC
Reserved pin
Reserved, to be floated
36
RXD
Input
TTL UART inputs, connects to external (MCU, PC) TXD output pin. Can be
configured as open-drain or pull-up input.
37
TXD
Output
TTL UART outputs, connects to external RXD (MCU, PC) input pin. Can be
configured as open-drain or push-pull output
38
AUX
Output
To indicate module ’ s working status & wakes up the external MCU. During the
procedure of self-check initialization, the pin outputs low level. Can be configured as
push-pull output (suspending is allowed).
39
NC
Reserved pin
Reserved, to be floated
40
NC
Reserved pin
Reserved, to be floated
41
NC
Reserved pin
Reserved, to be floated
42
PA_EN
Output
Internal single chip microcomputer control PA pin, high level effective, connected 45
pin
43
LNA_EN
Output
Internal single chip microcomputer control LNA pin, high level effective, connected
44 pin
44
LNA_EN
Input
Internal single chip microcomputer control LNA pin, high level effective, connected
43 pin
45
PA_EN
Input
Internal single chip microcomputer control PA pin, high level effective, connected 42
pin
46
GND
Ground
Ground electrode
47
GND
Ground
Ground electrode
48
ANT
Antenna 50 ohm impedance
This product can achieve Pin compatibility, Pin to Pin replacement