F&S armStoneA5, Техническая документация, Страница: 21 / 23

17
Electrical Data
5
5.1
Power supply
Power supply 5V 5V +/- 5% / 8..14V optional
Power supply BATT 3.0 … 3.6 V
5.2
Power consumption
!!! all values are preliminary and may change for series production !!!
typical current consumption BATT: 6.5µA
maximum power consumption BATT: 4mA
Rev. 1N02G and older of Vybrid have a serios bug in battery voltage driven parts. We do not
recommend to use a battery for this parts. Freescale will release a new revision
power consumption (Linux desktop idle, only power connected) 300mA
maximum power consumption 5V (summary all chips): 1000mA
Power consumption of connected devices like display, USB devices, SD card has to be add-
ed !
5.3
DC electrical characteristics for 3.3V IO pins
VDD= 3.3V +/- 5%
Parameter Description Condition Min Max Unit
Vih
High Level Input Voltage
0.7*VDD VDD+0.3 V
Vil
Low Level Input Voltage -
0.3 0.3*VDD V
Voh
High Level Output Voltage
Ioh=-100µA VDD-0.2 V
Vol
Low Level Output Voltage
Ioh=100µA 0.2 V
Io Output current VDD=3.3V 2.6 mA
5.4
Shield to GND connection
There is the possibility to add a shield ground to signal ground connection on both mounting
holes on front side. There are 0603 shapes on the solder side of the board to add a connec-
tion. This gives customers the possibility to change EMV characteristic. On default this parts
are not mounted and the shield ground is not connected to the signal ground.