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products:wizfi250:wizfi250ds:4.pindescription

Pin description

Pin map


Pin description

Pin Number Pin Define Type Description
1 GND - Groud
2 VBAT_WL I Battery supply input
3 VBAT_WL I Battery supply input
4 GND - Ground
5 VDDIO_3V3_WL I Digital I/O supply.
6 GND - Ground
7 NC -
8 NC -
9 NC -
10 NC -
11 NC -
12 NC -
13 GND - Ground
14 NC -
15 GND - Ground
16 NC -
17 NC -
18 NC -
19 NC -
20 NC -
21 SPI_MISO I/O SPI Master In Slave Out
22 SPI_SCK I/O SPI Clock
23 SPI_MOSI I/O SPI Master Out Slave In
24 SPI_SS I/O SPI Slave Select
25 GND - Ground
26 VDD_3V3 I Power supply for I/O and the internal regulator
27 VDD_3V3 I Power supply for I/O and the internal regulator
28 GND - Ground
29 UART2_RTS I/O Active-low request-to-send signal for UART2 interface (Not Used)
30 UART2_CTS I/O Active-low clear-to-send signal for UART2 interface (Not Used)
31 UART2_RXD I Serial data input for UART2 interface (Not Used)
32 UART2_TXD O Serial data output for UART2 interface (Not Used)
33 NC -
34 RESET I RESET pin (Active Low)
35 NC -
36 NC -
37 GND - Ground
38 VBAT I Power supply when VDD_3V3 is not present.
39 GND - Ground
40 GPIO1 I/O GPIO1 pin
41 BOOT I BOOT MODE pin (Active low)
42 FUNCTION I FUNCTION pin (Active Low)
43 GPIO5 I/O GPIO5 pin
44 GPIO6 I/O GPIO6 pin
45 GPIO7 I/O GPIO7 pin
46 GPIO8 I/O GPIO8 pin
47 GPIO9 I/O GPIO9 pin
48 Wi-Fi_STATUS I/O Wi-Fi Status pin
49 MODE_STATUS I/O MODE Status pin
50 SPI_Data_Ready(GPIO14) I/O In SPI Mode, It is used to SPI_Data Ready Pin
51 JTAG_TRST I For normal operation, if JTAG is not used, this pin can be left unconnected (NC)
52 JTAG_TDO I/O For normal operation, if JTAG is not used, this pin can be left unconnected (NC)
53 JTAG_TDI I/O For normal operation, if JTAG is not used, this pin can be left unconnected (NC)
54 JTAG_TMS I For normal operation, if JTAG is not used, this pin can be left unconnected (NC)
55 JTAG_TCK I For normal operation, if JTAG is not used, this pin can be left unconnected (NC)
56 GND - Ground
57 GND - Ground
58 GND - Ground
59 GND - Ground
60 NC -
61 UART1_RTS I/O Active-low request-to-send signal for UART1 interface (Use)
62 UART1_CTS I/O Active-low clear-to-send signal for UART1 interface (Use)
63 UART1_RXD I Serial data input for UART1 interface (Use)
64 UART1_TXD O Serial data output for UART1 interface (Use)
65~73 GND - Ground
products/wizfi250/wizfi250ds/4.pindescription.txt · Last modified: 2015/03/16 10:33 (external edit)