aduc7030 Analog Devices, Inc., aduc7030 Datasheet - Page 57
aduc7030
Manufacturer Part Number
aduc7030
Description
Integrated Precision Battery Sensor For Automotive
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADUC7030.pdf
(150 pages)
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Bit
15
14, 13
12– 10
9
8
7, 6
5, 4
3 - 0
Preliminary Technical Data
Current Channel ADC Control Register:
Name:
Address:
Default Value:
Access:
Function:
Note:
Table 30. ADC0CON MMR Bit Designations
Description
Current Channel ADC Enable
This bit is set to 1 by user code to enable the I-ADC
Clearing this bit to 0, powers down the I-ADC and resets the respective ADC READY bit in the ADCSTA MMR to 0
IIN Current Source Enable
0, 0
0, 1
1, 0
1, 1
Not Used
These bits are reserved for future functionality and should be written as zero
Current Channel ADC Output Coding
This bit is set to 1 by user code to configure I-ADC output coding as unipolar
This bit is cleared to 0 by user code to configure I-ADC output coding as 2’s complement
Not Used
These bits are reserved for future functionality and should be written as zero
Current Channel ADC Input Select
0, 0
0, 1
1, 0
1, 1
Current Channel ADC Reference Select
0, 0
0, 1
1, 0
1, 1
Current Channel ADC Gain Select (note, nominal I-ADC Full-scale Input Voltage = (V
0, 0, 0, 0
0, 0, 0, 1
0, 0, 1, 0
0, 0, 1, 1
0, 1, 0, 0
0, 1, 0, 1
0, 1, 1, 0
0, 1, 1, 1
1, 0, 0, 0
1, 0, 0, 1
1, x, x, x
Current Sources Off
Enable 50 μA current source on IIN+
Enable 50 μ A current source on IIN-
Enable 50 μ A current source on both IIN- and IIN+
Internal, 1.2V precision reference selected. In ADC Low Power Mode, the Voltage Reference selection is controlled by
ADCMDE[5]
External reference inputs (VREF, GND_SW) selected
External reference inputs divided by 2 (VREF, GND_SW)/2 selected, this allows an external reference up to REG_AVDD
(REG_AVDD, AGND) divided by 2 selected
IIN+, IIN-
IIN-, IIN-
V
Note: If (REG_AVDD, AGND) divided by 2 Reference is selected, REG_AVDD is used for V
to
Not Defined
ADC0CON
0xFFFF050C
0x0000
Read/Write
The Current Channel ADC Control MMR is a 16-bit register that is used to configure the I-ADC.
If the Current ADC is reconfigured via ADC0CON, the Voltage and Temperature ADCs are also reset.
REF
/136, 0V
I-ADC Gain =1
I-ADC Gain =2
I-ADC Gain =4
I-ADC Gain =8
I-ADC Gain =16
I-ADC Gain =32
I-ADC Gain =64
I-ADC Gain =128
I-ADC Gain =256
I-ADC Gain =512
I-ADC Gain is undefined
Diagnostic, internal short configuration
Diagnostic, test voltage for gain settings <= 128
ADC0DAT scaled by two
Rev. PrE | Page 57 of 150
REF
/GAIN)
REF
ADuC7030/ADuC7033
in this mode. This will lead
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