aduc7062 Analog Devices, Inc., aduc7062 Datasheet - Page 48
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)
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ADuC7060/ADuC7061/ADuC7062
Excitation Current Sources Control Register
Name:
Address:
Default Value:
Access:
Function:
Table 57. IEXCON MMR Bit Designations
Bits
7
6
5
4
3:1
0
Name
IEXC1_EN
IEXC0_EN
IEXC1_DIR
IEXC0_DIR
IOUT[3:1]
IOUT[0]
IEXCON
0xFFFF0570
0x00
Read/write
This 8-bit MMR controls the two excitation current sources, IEXC0 and IEXC1.
Description
Enable bit for IEXC1 current source.
Set this bit = 1 to enable Excitation Current Source 1.
Clear this bit to disable Excitation Current Source 1.
Enable bit for IEXC0 current source.
Set this bit = 1 to enable Excitation Current Source 0.
Clear this bit to disable Excitation Current source 0.
Set this bit =1 to direct Excitation Current Source 1 to the IEXC1 pin.
Set this bit = 0 to direct Excitation Current Source 1 to the IEXC1 pin.
Set this bit = 1 to direct Excitation Current Source 0 to the IEXC0 pin.
Set this bit = 0 to direct Excitation Current Source 1 to the IEXC0 pin.
These bits control the Excitation current level for each source.
IOUT[3:1] = 000, excitation current = 0 μA + (IOUT[0] × 10 μA)
IOUT[3:1] = 001, excitation current = 200 μA + (IOUT[0] × 10 μA)
IOUT[3:1] = 010, excitation current = 400 μA+ (IOUT[0] × 10 μA)
IOUT[3:1] = 011, excitation current = 600 μA+ (IOUT[0] × 10 μA)
IOUT[3:1] = 100, excitation current = 800 μA+ (IOUT[0] × 10 μA)
IOUT[3:1] = 101, excitation current = 1 mA + (IOUT[0] × 10 μA)
All other values are undefined.
Set this bit =1 to enable 10 μA diagnostic current source
Clear this bit =0 to disable 10 μA diagnostic current source.
Rev. PrA | Page 48 of 100
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