User's Manual

PIN 6
Yes
U6-TX
PIN 7
Yes
U2-RX
SPI2-MOSI
Yes
Yes
PIN 8
Yes
U1-TX
I2-SCL
SPI1-MOSI
Yes
Yes
PIN 9
Yes
U1-RX
I2-SDA
SPI1-MSO
Yes
Yes
PIN A
Yes
Yes
Yes
PIN B
Yes
U4-RX
Yes
Yes
PIN C
Yes
Yes
PIN D
Yes
U1-RX
PIN E
Yes
U6-RX
7. Electrical characteristics
Parameter
Condition
Min
Typ
Max
Unit.
Operating temperature
-20
55
℃
Operating voltage
1.8[1]
3.0
3.6
V
Sleep current
WiFi is off, processor sleep, RTC on,
nvram preserved
6
µA
Operating current
Normal operation, WiFi on
70
80
400[2]
mA
Operating current
Power-save mode enabled
2
5
400[2]
mA
Pin drive
Maximum current drive on I/O pins
4
mA
VIL
I/O input low level voltage
VSS-0.3
0.3VDD
V
VIH
I/O input high level voltage
0.7VDD
3.6
V
LED current sink
8
mA
Load capacitance
Pins 1 to 9
20
pF
Load capacitance
Pins 10 to 14
5
pF
electric imp, inc
electric imp imp002 specification (confidential, not for distribution)" 6