National Instruments 370551A-01 用户手册
Chapter 3
VXI-MXI-2 Configuration and Installation
© National Instruments Corporation
3-11
Figure 3-6. SMB CLK10 Settings
a. Drive Inverted External CLK SMB (Default)
S2 Off
On
S3 Out
In
S4 Off
On
NON-INVERTED
S5
SMB CLK10 Direction
SMB CLK10 Output Polarity (Effective only when S3 is set to “OUT”)
INVERTED
NON-INVERTED
INVERTED
NON-INVERTED
INVERTED
NON-INVERTED
INVERTED
b. Drive Non-Inverted External CLK SMB
c. Receive External CLK SMB
S2 Off
On
S3 Out
In
S4 Off
On
S5
SMB CLK10 Direction
SMB CLK10 Output Polarity (Effective only when S3 is set to “OUT”)
S2 Off
On
S3 Out
In
S4 Off
On
S5
SMB CLK10 Direction
50 Termination for SMB CLK10 (Effective only when S3 is set to “IN”)
SMB CLK10 Output Polarity (Effective only when S3 is set to “OUT” )
d. Receive External CLK SMB with 50 Termination
50 Termination for External Trigger Input
50 Termination for SMB CLK10 (Effective only when S3 is set to “IN”)
S2 Off
On
50
Termination for External Trigger Input
S3 Out
In
S4 Off
On
S5
SMB CLK10 Direction
50
Termination for SMB CLK10 (Effective only when S3 is set to “IN”)
SMB CLK10 Output Polarity (Effective only when S3 is set to “OUT”)
50
Termination for External Trigger Input
50 Termination for SMB CLK10 (Effective only when S3 is set to “IN”)
50
Termination for External Trigger Input