Idle Mode Page 9 Current Waveform; Recommendations For Less Consumption; Consumption/Software Driver Recommendations - Sierra Wireless WISMO228 Product Technical Specification & Customer Design Manuallines

Idle Mode Page 9 Current Waveform

Recommendations for Less Consumption

For better power consumption, in particular for the quiescent current, it is recommended to drive
the GPIOs as shown in the table below.
Pin # Signal
16 GPIO3
19 GPIO5
24 GPIO1
** When GPIO5 is used as a general purpose output, it is necessary to have an external pull up resistor
connecting to a 2.8V source. The resistance value depends on the current drain required by the application side.
Note: GPIO2 is dedicated for WISMO_READY and is not open as a GPIO for customer use.
GPIO4 is dedicated for TX burst indication and is not open as GPIO for customer use.
WA_DEV_W228_PTS_002
Table 8. Consumption/Software Driver Recommendations
I/O I/O Type Reset State
I/O 2V8 Pull up
I/O 2V8 Z**
I/O 2V8 Pull up
Rev 001
Product Technical Specification &
Customer Design Guidelines
RX PEAK
Recommended SW Driver (Logic
Level Output State)
1
Input: 0
Output: 1
1
Page 36 of 108