rtd cpuModules CMA24BT, Руководство пользователя

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BDM-610000087 Rev A Chapter 1: Introduction 13
Electrical Characteristics
The table below lists the Electrical Characteristics of the CMA24BT. Operating outside of these parameters
may cause permanent damage to the cpuModule.
Table 4 Electrical Characteristics
Symbo
l
Parameter Test
Condition
Min. Max.
PCI
V
OH
Output Voltage
High
I
OH
= –0.5 mA 2.9 V 3.3 V
V
OL
Output Voltage Low I
OL
= 6.0 mA 0.0 V 0.55 V
V
IH
Input Voltage High — 1.8 V 5.5 V
V
IL
Input Voltage Low — -0.5 V 0.9 V
I
VIO
Supply Current for
VIO
— 500 mA
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 V 0.8 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