adc12132 National Semiconductor Corporation, adc12132 Datasheet - Page 28

• Manufacturer Part Number: adc12132
• Description: Self-calibrating 12-bit Plus Sign Serial I/o A/d Converters With Mux And Sample/hold
• Manufacturer: National Semiconductor Corporation

www.national.com
Status Bit
Status Bit
Function
Location
Format and Set-Up Tables
“High”
indicates a
Power Up
Sequence
is in
progress
DB0
PU
Device Status
“High”
indicates a
Power
Down
Sequence
is in
progress
DB1
PD
“High”
indicates
an
Auto-Cal
Sequence
is in
progress
DB2
Cal
(Continued)
TABLE 6. Status Register
Not used
DB3
28
“High”
indicates a
12 or 13
bit format
12 or 13
DB4
DO Output Format Status
“High”
indicates a
16 or 17
bit format
16 or 17
DB5
“High”
indicates
that the
sign bit is
included.
When
“Low” the
sign bit is
not
included.
Sign
DB6
When “High”
the
conversion
result will be
output MSB
first. When
“Low” the
result will be
output LSB
first.
Justification Test Mode
DB7
When
“High” the
device is
in test
mode.
When
“Low” the
device is
in user
mode.
DB8