Reference Manual

133 ConnectCore 9M 2443 & Wi-9M 2443 Hardware Reference
Appendix B
If the design allows, added buried PCB planes will also improve heat dissipation.
The copper planes create a larger surface to spread the heat into the surrounding
environment.
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Power requirements
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Typical Power Requirements
ConnectCore 9M
2443
Parameter ConnectCore 9M 2443 ConnectCore Wi-9M 2443
Input voltage (VLIO
/+3.3V)
3.3V±5% (3.14V to 3.46V) 3.3V±5% (3.14V to 3.46V)
Input current
I
VLIO
+I
+3.3V
554mA max 1.2A max
Input low voltage 0.0V
+3.3V
<V
IL
<0.3*V
+3.3V
0.0V
+3.3V
<V
IL
<0.3*V
+3.3V
Input high voltage 0.7*V
+3.3V
<V
IH
<V
+3.3V
0.7*V
+3.3V
<V
IH
<V
+3.3V
Output low voltage 0.0V
+3.3V
<V
OL
<0.4V
+3.3V
0.0V
+3.3V
<V
OL
<0.4V
+3.3V
Output high voltage V
+3.3V
-0.4V <V
OH
<V
+3.3V
V
+3.3V
-0.4V <V
OH
<V
+3.3V
533MHz 400MHz
Module State VLIO +3.3V Typical
Power
VLIO +3.3V Typical
Power
U-Boot 142mA 168mA 1023mW 147mA 168mA 1040mW
Windows CE 112mA 167mA 921mW 129mA 165mA 971mW
Ethernet Reset 120mA 70mA 627mW 129mA 70mA 657mW
Suspend 26mA 27mA 175mW 30mA 26mA 185mW