EVAL-AD7879EBZ View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
'EVAL-AD7879EBZ' PDF : 36 Pages View PDF
Data Sheet
AD7879/AD7889
REGISTER MAP
Table 11. Register Table
Address1 Register Name
0x00
Unused
0x01
Control Register 1
0x02
Control Register 2
0x03
Control Register 3
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
0x0E
AUX/VBAT high limit
AUX/VBAT low limit
TEMP high limit
TEMP low limit
X+
Y+
X+ (Z1)
Y− (Z2)
AUX/VBAT
TEMP
Revision and device ID
Description
Unused
Pen interrupt enable, channel selection for manual
conversion, ADC mode, acquisition time, and
conversion timer
ADC power management, GPIO control, pen interrupt
mode, averaging, median filter, software reset, and FCD
Status of high/low limit comparisons for TEMP and
AUX/VBAT, and enable bits to allow them to become
interrupts; channel selection for slave/master mode
AUX/VBAT high limit for comparison
AUX/VBAT low limit for comparison
TEMP high limit for comparison
TEMP low limit for comparison
X+ measurement for Y position
Y+ measurement for X position
X+ measurement for touch pressure calculation (Z1)
Y− measurement for touch pressure calculation (Z2)
AUX/VBAT voltage measurement
Temperature conversion measurement
Revision and device ID
1 Do not write to addresses outside the register map.
Default Value
0x0000
0x0000
0x4040
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0379 (AD7879-1/AD7889-1)
0x037A (AD7879/AD7889)
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
R
R
R
Rev. D | Page 21 of 40
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