Data Sheet

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HE WiFi IoT Module Datasheet
7
20 GPIO20 In/Out General I/O
21 GPIO23 In/Out General I/O
22 GND Ground
23 VDD33_IN Input Power Supply, 3.3V
24 VDD33_IN Input Power Supply, 3.3V
25 GND Ground
26 GND Ground
27 GPIO28 In/Out General I/O
28 LED6_P4 Output Status LED for Ethernet Port4 Should be source current onl
y
29 LED1_USB Output Status LED for USB port Should be source current onl
y
30 LED0_WLAN Output Status LED for Wireless Should be source current onl
y
31 LED2_P0 Output Status LED for Ethernet Port0 Should be source current onl
y
32 GND Ground
33 UART_RX Input Serial data in
34 UART_TX Output Serial data out
35 GND Ground
36 2.5v_out Output Reference 2.5v output
37 JumpStart In/Out Failsafe Control Signal, GPIO11
38 GPIO15 In/Out General I/O Should be source current onl
y
39 GPIO16 In/Out General I/O
40 GND Ground
41 Optional
ANT
Output Optional Antenna output
42 GND Ground
43 RESET Input RESET input, active LOW
44 GND Ground
45 GND Ground
46 GPIO27 In/Out General I/O
47 GPIO26 In/Out General I/O
48 GND Ground
49 USB D+ USB D+ Signal
50 USB D- USB D- Signal
5.2 GPIO Characteristics
Symbol Parameter Conditions Min Typ Max Unit
VOH Output High Voltage — 2.44 — — V
VOL Output Low Voltage — — —
0.1
V
VIH Input High Voltage — 0.7 — — V
VIL Input Low Voltage —
0.3
— — V
SignalName Type Drive PU/PDResistance
GPIO_0–GPIO_28 I/O Up to 24 mA 200 KΩ
5.3 PowerConsumption:
Periphery
IDLE BulkFileTransferinallports
Current@3.3
v
 DCPower Current@3.3
v
 Power
WiFionl
y
 150ma 495mw 220ma 726mw
RJ45onl
y
 160ma 528mw 205ma 676mw
WiFi+1RJ45 210ma 693mw 282ma 924mw
WiFi+2RJ45 270ma 891mw 343ma 1131mw
WiFi+2RJ45+USB