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148 Chapter 10
Communication with External Instruments Using Handler I/O Port
Handler I/O Port Overview
Handler I/O Port Overview
The E5061A/E5062A handler I/O port provides four independent parallel ports for data I/O
associated with several control signal lines and the power line. All signals operate in TTL
logic.
The data I/O ports are configured with 2 pairs of 8 bit output port and 2 pairs of 4 bit
bi-directional port. Also those ports can cooperate to provide a maximum 16-bit-width
output port or a maximum 8-bit-width input port.
The I/O signals operate on the negative logic basis. The control signal lines consist of
various control output data, including completion of measurement or control signal for
handshaking. Figure 10-1 outlines the I/O ports and control signal lines.
Figure 10-1 Handler I/O port overview
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