Chengdu Ebyte Electronic Technology Co,;Ltd
E70-433TxxSx user manual
Copyright ©2012–2023
,
Chengdu Ebyte Electronic Technology Co,;Ltd
28
Pin No.
Pin item
Pin direction
Pin application
1
、
2
、
3
、
9
、
10
、
15
、
23
GND
Reference ground
Ground electrode
4
X32K_Q1
Input/Output
Connect to 32.768K quartz crystal with pin 5
5
X32K_Q2
Input/Output
Connect to 32.768K quartz crystal with pin 4
6
DIO_9
Input/Output
MCU GPIO
7
DIO_8
Input/Output
MCU GPIO
8
VCC
-
Voltage supply
:
2.2
~
3.8V DC
11
DIO_7
Input/Output
MCU GPIO
12
DIO_6
Input/Output
MCU GPIO
13
DIO_5
Input/Output
MCU GPIO
14
RESET
Input/Output
MCU GPIO
16
DIO_4
Input/Output
MCU GPIO
17
DIO_3
Input/Output
MCU GPIO
18
TCKC
Input
JTAG TCKC
19
TMSC
Input
JTAG TMSC
20
DIO_2
Input/Output
MCU GPIO
21
DIO_1
Input/Output
MCU GPIO
22
DIO_0
Input/Output
MCU GPIO
24
ANT
-
Antenna
(
50Ω characteristic impedance
)