Caple CM109 User Manual Page 19

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BDM-610000082 Rev A Chapter 1: Introduction 11
Electrical Characteristics
The table below lists the Electrical Characteristics of the CMX34GS. Operating outside of these parameters may
cause permanent damage to the cpuModule.
Table 6 Electrical Characteristics
Symbol Parameter Test Condition Min. Max.
USB Ports
Ioc Overcurrent Limit Each port 0.5 A 5.0 A
SVGA Port
V
OH
Output Voltage High
HSYNC, VSYNC
I
OH
= –8.0 mA 2.4 V 3.3 V
V
OL
Output Voltage Low
HSYNC, VSYNC
I
OL
= 8.0 mA 0.0 V 0.5 V
V
OH
Output Voltage High
DDC_*
I
OH
= –4.0 mA 2.4 V 3.3 V
V
OL
Output Voltage Low
DDC_*
I
OL
= 8.0 mA 0.0 V 0.4 V
V
IH
Input Voltage High
DDC_*
2.0 V 5.5 V
V
IL
Input Voltage Low
DDC_*
—-0.3 V0.8 V
I
DDCvcc
Supply Current for
DDC Electronics
—500 mA
DisplayPort
I
VCC
Supply Current 500 mA
Serial Ports - RS-232
V
OH
Output Voltage High R
L
= 3 k 5.0 V 7.0 V
V
OL
Output Voltage Low R
L
= 3 k -7.0 V -5.0 V
V
IH
Input Voltage High 2.0 V 15 V
V
IL
Input Voltage Low -15 V 0.6 V
Serial Ports - RS-422/485
V
OD1
Differential Output R
L
= 100 Ohm 2.0 V
V
OD2
Differential Output R
L
= 54 Ohm 1.5 V
V
OC
Common Mode
Output
R
L
= 54 or 100
Ohm
3.0 V
V
TH
Differential Input
Threshold
-200 mV -50 mV
V
I
Absolute Max Input
Voltage
-18 V 18 V
aDIO
V
OH
Output Voltage High I
OH
= –29 mA 2.4 V 3.3 V
V
OL
Output Voltage Low I
OL
= 17 mA 0.0 V 0.5 V
V
IH
Input Voltage High 1.8 V 5.5 V
V
IL
Input Voltage Low -0.3 V 0.8 V
I
ADIOvcc
Supply current 500 mA
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