adc12l032 National Semiconductor Corporation, adc12l032 Datasheet - Page 23
adc12l032
Manufacturer Part Number
adc12l032
Description
3.3v Self-calibrating 12-bit Plus Sign Serial I/o A/d Converters With Mux And Sample/hold
Manufacturer
National Semiconductor Corporation
Datasheet
1.ADC12L032.pdf
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Format and Set-Up Tables
Status Bit
Status Bit
Location
Function
“High”
indicates a
Power Up
Sequence
is in
progress
DB0
PU
Device Status
“High”
indicates a
Power
Down
Sequence
is in
progress
DB1
PD
TABLE 6. Conversion/Read Data Only Mode Programming
X = Don’t Care
CS
H
X
L
L
“High”
indicates
an
Auto-Cal
Sequence
is in
progress
DB2
Cal
CONV
H
X
X
L
(Continued)
“High”
indicates
an 8 or 9
bit format
TABLE 7. Status Register
PD
H
L
L
L
8 or 9
DB3
Read Only (Previous DO Format)
“High”
indicates a
12 or 13
bit format
12 or 13
23
See Table 5 for Mode
DB4
No Conversion
Power Down
DO Output Format Status
Mode
Idle
“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
DB7
When
“High” the
device is
in test
mode.
When
“Low” the
device is
in user
mode.
www.national.com
Mode
DB8
Test
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