21
Status Registers
Overview
Negative
Transition
Register
This filter register controls which signals will set a bit in the
event register when the signal makes a high to low transition
(when the condition bit changes from 1 to 0).
Event Register It latches any signal state changes, in the way specified by
the filter registers. Bits in the event register are never
cleared by signal state changes. Event registers are cleared
when read. They are also cleared by *CLS and by presetting
the instrument.
Event Enable
Register
It controls which of the bits, being set in the event register,
will be summarized as a single output for the register set.
Summary bits are then used by the next higher register.
Access the status registers
There are two different methods to access the status
registers:
• Common Commands Accesses and Controls
• Status Subsystem Commands
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