Usr USR-WIFI232-G, Руководство пользователя

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Low Power WiFi Module User Manual V1.3 http://www.tcp232.net
Jinan USR IOT Technology Limited. Page 10 of 59 freda@usr.so
7 RTC Input 1 ALARM1 I.PU GPIO7, Sleep_RQ Pin
(Suggest 100K ohm Pull up even
not use this function.)
8 RTC Output 1 RTC_OUT1 O GPIO8, Sleep_ON Pin
9 +3.3V Power DVDD Power
10 N.C No connect
11 A/D Input 1 ADC1 I/O,PD GPIO11, No connect if not use.
12 A/D Input 2 ADC2 I/O,PD GPIO12, No connect if not use.
13 RTC Input 2 ALARM2 I,PD GPIO13, No connect if not use.
14 N.C No connect
15 N.C No link, Must No connect
16 PWM 1 Output USB_PIO I/O GPIO16, No connect if not use.
18 N.C No connect
19 N.C No connect
20 PWM 2 Output GPIO20 I/O GPIO20, No connect if not use.
21 USB Interface USB- I/O 90 ohm Diff. Line
22 USB Interface USB+ I/O 90 ohm Diff. Line
23 GPIO 1 Output PWMH0 O GPIO23, No connect if not use.
24 PWM Output0-low PWML0 O GPIO24, No connect if not use.
25 N.C No connect
26 GPIO 0 Output GPIO26 I/O GPIO26, No connect if not use.
27 SPI Interface SPI_MISO I/O, PU No connect if not use.
28 SPI Interface SPI_CLK I/O, PU No connect if not use.
29 SPI Interface SPI_CS I/O,PU No connect if not use.
30 SPI Interface SPI_MOSI I/O.PD No connect if not use.
31 +3.3V Power DVDD Power
33 N.C No connect
34 +3.3 Power DVDD Power
35 GPIO GPIO35 I/O,PD GPIO35, WPS functional pin
36 N.C No connect
37 N.C No connect
38 N.C No connect
39 UART0 UART0_TX I,PU UART Communication Pin
40 UART0 UART0_RTS 0 UART Communication Pin
41 UART0 UART0_RX 0 UART Communication Pin
42 UART0 UART0_CTS I,PU UART Pin (Or RS485 Control)
43 Wi-Fi Status nLink O,PU “0”- Wi-Fi Linked
“1”- No WIFI Linked
No connect if not use.
44 Module Boot Up
Indicator
nReady O,PU “0” – Boot-up OK;
“1” – Boot-up No OK;
No connect if not use.;
45 Restore
Configuration
nReload I,PU Module will restore factory
default after set this pin “0” more
than 1s, then set “1”.
(Suggest 50K ohm Pull up even
not use this function.)
46 GPIO 2 Output PWMFI0 I/O GPIO46, No connect if not use.