aduc7062 Analog Devices, Inc., aduc7062 Datasheet - Page 37
aduc7062
Manufacturer Part Number
aduc7062
Description
Low-power, Precision Analog Microcontroller, Dual ?-? Adcs, Flash/ee, Arm7tdmi
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADUC7062.pdf
(100 pages)
- Current page: 37 of 100
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Preliminary Technical Data
Bit
3 to 0
Auxiliary ADC Control Register
Name:
Address:
Default Value:
Access:
Function:
Table 35. ADC1CON MMR Bit Designations
Bit
15
14, 13
12
11
10 to 7
Name
ADC0PGA[3:0].
Name
ADC1EN
ADC1DIAG
HIGHEXTREF1
ADC1CODE
ADC1CH[3:0]
ADC1CON
0xFFFF0510
0x0000
Read/write
The auxiliary ADC control MMR is a 16-bit register.
Description
Primary Channel ADC Gain Select. Note, nominal primary ADC full-scale input voltage = (VREF/gain).
0, 0, 0, 0 = ADC0 gain of 1. Buffer is active.
0, 0, 0, 1 = ADC0 gain of 2.
0, 0, 1, 0 = ADC0 gain of 4 (default value). Enables the in-amp.
0, 0, 1, 1 = ADC0 gain of 8.
0, 1, 0, 0 = ADC0 gain of 16.
0, 1, 0, 1 = ADC0 gain of 32.
0, 1, 1, 0 = ADC0 gain of 64 (maximum PGIA gain setting).
0, 1, 1, 1 = ADC0 gain of 128 (extra gain implemented digitally).
1, 0, 0, 0 = ADC0 gain of 256.
1, 0, 0, 1 = ADC0 gain of 512.
1, x, x, x = ADC0 gain is undefined.
This bit is set to 1 by user code to enable the auxiliary ADC.
Clearing this bit to 0 powers down the auxiliary ADC.
Description
Auxiliary Channel ADC Enable.
Diagnostic Current Source Enable Bits. This is the same current source as that used on ADC0DIAG. The ADCs
cannot enable the diagnostic current sources at the same time.
0, 0 = current sources off.
0, 1 = enables 50 μA current source on selected positive input (for example, ADC2).
1, 0 = enables 50 μ A current source on selected negative input (for example, ADC3).
1, 1 = enables 50 μ A current source on both selected inputs (for example, ADC2 and ADC3).
Must set this bit high if External Reference for ADC0 Exceeds 1.35 V.
This bit should be cleared when using the internal reference or an external reference of less than 1.35 V.
Auxiliary Channel ADC Output Coding.
This bit is set to 1 by user code to configure auxiliary ADC output coding as unipolar.
This bit is cleared to 0 by user code to configure auxiliary ADC output coding as twos complement.
Auxiliary Channel ADC Input Select.
Note: Single-ended channels are selected with respect to ADC5. Bias ADC5 to a minimum level of 0.1 V.
[0000] = ADC2/ADC3 (Differential mode).
[0001] = ADC4/ADC5 (Differential mode).
[0010] = ADC6/ADC7 (Differential mode).
[0011] = ADC8/ADC9 (Differential mode).
[0100] = ADC2/ADC5 (Single-Ended mode).
[0101] = ADC3/ADC5 (Single-Ended mode).
[0110] = ADC4/ADC5 (Single-Ended mode).
[0111] = ADC6/ADC5 (Single-Ended mode).
[1000] = ADC7/ADC5 (Single-Ended mode).
[1001] = ADC8/ADC5 (Single-Ended mode).
[1010] = ADC9/ADC5 (Single-Ended mode).
[1011] = Internal Temp Sensor+/ Internal Temp Sensor−
Rev. PrA | Page 37 of 100
ADuC7060/ADuC7061/ADuC7062
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