rtd cpuModule CMA22M Series, Руководство пользователя

Страница: 20 / 106

12 CMA22M cpuModule BDM-610000069 Rev A
Electrical Characteristics
The table below lists the Electrical Characteristics of the CMA22M. Operating outside of these parameters may
cause permanent damage to the cpuModule.
Table 4 Electrical Characteristics
Symbol 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
I
VIO
Supply Current for
VIO — 500 mA
USB Ports
Ioc Overcurrent Limit Each port 0.5A 5.0A
LVDS Port
V
OD
Differential Output
Voltage 250 mV 450 mV
Vos Offset Voltage 1.125 V 1.375 V
I
vcc
Supply Current for
Panel Electronics — — 1.0 A
I
BKLT
Supply Current for
Backlight — — 1.8 A
V
OH
Output Voltage High
DDC_*, FP_ENABLK I
OH
= –1.0 mA 2.97 V 3.3 V
V
OL
Output Voltage Low
DDC_*, FP_ENABLK I
OL
= 1.0 mA 0 0.33 V
V
IH
Input Voltage High
DDC_* — 2.0 3.6 V
V
IL
Input Voltage Low
DDC_* — -0.3 0.8 V
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