Keysight E4990A - Page 315

Programming
305
• Data Output to Port
Other topics about Communication with External Devices
Overview
The E4990A 24 Bit (Handler) I/O port provides the ports for data I/O
shown below.
Port
Name
Usage Data Structure
Port A Output
Port B Output
Port C Input/Output
Port D Input/Output
Port E Input/Output
Port F Output
Specifying Signal Direction of Port