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Chapter 3
Register Map and Descriptions — Serial Command Register
©
National Instruments Corporation
3-5
Serial Command Register
The Serial Command Register contains six bits that control AT E Series serial EEPROM and
DACs. The contents of this register are cleared upon power up and after a reset condition.
Address:
Base a 0D (hex)
Type:
Write-only
Word Size:
8-bit
Bit Map:
Bit
Name
Description
7–4
Reserved
Reserved—Always write 0 to these bits.
5
SerDacLd2
Serial DAC Load2—This bit is used to load the third set of
serial DACs with the serial data previously shifted into the
DACs (AT-MIO-16XE-10 and AT-AI-16XE-10 only).
4
SerDacLd1
Serial DAC Load1—This bit is used to load the second set
of serial DACs with the serial data previously shifted into
the DACs (AT-MIO-16XE-50, AT-MIO-16XE-10, and
AT-AI-16XE-10 only).
3
SerDacLd0
Serial DAC Load0—This bit is used to load the first set of
serial DACs with the serial data previously shifted into the
DACs.
2
EEPromCS
EEPROM Chip Select—This bit controls the chip select of
the onboard EEPROM used to store calibration constants.
When EEPromCS is set, the chip select signal to the
EEPROM is enabled.
7
6
5
4
3
2
1
0
Reserved
Reserved
SerDacLd2
SerDacLd1
SerDacLd0
EEPromCS
SerData
SerClk
Summary of Contents for AT-AI-16XE-10
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