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Operating Basics
DG2040 Data Generator
2Ć11
Pattern data that has been transferred to the pattern memory in the pattern
generation unit hardware can be output as digital signals. Pattern memory
consists of 2-bit words, with the 2 bits in a one-to-one correspondence with the 2
output channels. The definition of the relationship between pattern data bits and
pattern memory bits is called output channel allocation.
The pattern data to pattern memory transfer operation is performed automatically
each time the data is modified, or you can manually cause the transfer to occur.
This is called the data update mode, and it can be selected by user.
There are numerous settings that define data structures and relationships between
data items and that specify output channel states and other parameters. These
settings are collectively referred to as the setup data. Since this data is associated
with the pattern data, it is handled together with the pattern data in operations,
such as saving instrument settings and data to a floppy disk.
The setup data includes a wide range of settings, including output voltage levels,
delay, and clock frequency settings in addition to the definitions described here.
Although each bit in the pattern data can be defined independently, it is easier to
edit and display data if multiple bits are collected and handled as a single group.
Any set of bits can be assigned as a group.
Pattern data can be divided into blocks. A block is a user-specified range of
pattern data identified with a unique label. Blocks are divided by setting
delimiters called block delimiters. Block delimiters are set in word units.
Sequences, which are described later, control data output in block units.
Setup Data
Groups
Blocks
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