SPWF01SA Datasheet, PDF (6/16 Pages) STMicroelectronics – Serial-to-Wi-Fi b/g/n intelligent modules

Pinout description
5
Pinout description
SPWF01SA, SPWF01SC
Signal Name Type
GPIO[0]
I/O
GPIO[1]
I/O
GPIO[2]
I/O
GPIO[3]
I/O
GPIO[6]
I/O
GPIO[4]
I/O
GPIO[5]
I/O
GPIO[7]
I/O
GPIO[8]
I/O
GPIO[9]
I/O
GPIO[11]
I/O
GPIO[12]
I/O
GPIO[15]
I/O
GPIO[10]
I/O
GPIO[13]
I/O
Table 5. Pinout description
PIN Number
Main function
Alternate
functions⁽¹⁾
GPIO - general purpose input/output
General purpose
input/output
16
Restore to factory
settings⁽²⁾
17
General purpose
input/output
PWM
19
General purpose
input/output
1
General purpose
input/output
General purpose
input/output
22
Wake Up/Sleep
Inhibit⁽³⁾
18
General purpose
input/output
20
General purpose
input/output
General purpose
input/output
13
STA/Mini AP
switch ⁽⁴⁾
4
General purpose
input/output
ADC
7
General purpose
input/output
11
12
General purpose
input/output
21
General purpose
input/output
DAC
Monitoring purpose with no alternate function
5
LED Drive, Blinking
while run
15
LED Drive, WiFi
Link up
Notes
Input pull down and
5V tolerant
Input pull down and
5V tolerant
Floating and 5V
tolerant
Input pull down and
5V tolerant
Input pull down and
5V tolerant
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