ad7879-1acbz-rl Analog Devices, Inc., ad7879-1acbz-rl Datasheet - Page 22

• Manufacturer Part Number: ad7879-1acbz-rl
• Description: Low Voltage Controller For Touch Screens
• Manufacturer: Analog Devices, Inc.

AD7879
Table 12. Control Register 3
Address
0x03
1
Table 13. Limit Registers
Address
0x04
0x05
0x06
0x07
If GPIO is enabled, AUX and VBAT are both ignored. If AUX and VBAT are both selected, and GPIO is disabled, AUX is ignored, and VBAT is measured.
Name
TEMP MASK
AUX/VBAT
MASK
INT MODE
GPIO ALERT
AUX/VBAT LOW
AUX/VBAT HIGH
TEMP LOW
TEMP HIGH
X+
Y+
Z1
Z2
AUX
VBAT
TEMP
Not used
Data Bit
15:0
15:0
15:0
15:0
Data
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
User-programmable AUX/VBAT high limit register
User-programmable AUX/VBAT low limit register
User-programmable TEMP high limit register
User-programmable TEMP low limit register
Description
Description
TEMP mask bit
0 = temperature measurement is allowed to cause interrupt
1 = temperature measurement is not allowed to cause interrupt
AUX/VBAT mask bit
0 = AUX/VBAT measurement is allowed to cause interrupt
1 = AUX/VBAT measurement is not allowed to cause interrupt
DAV/INT mode select
0 = enable DAV mode
1 = enable INT mode
Note that this bit overrides any mask bits associated with individual channels
GPIO interrupt enable
0 = GPIO can cause an alert on the INT output
1 = mask GPIO from causing an alert on the INT output
1 = AUX/VBAT below low limit
1 = AUX/VBAT above high limit
1 = TEMP below low limit
1 = TEMP above high limit
1 = include measurement of Y position (X+ input)
1 = include measurement of X position (Y+ input)
1 = include Z1 touch pressure measurement (X+ input)
1 = include measurement of Z2 touch pressure measurement (Y− input)
1 = include measurement of AUX channel
1 = include measurement of battery monitor (VBAT)
1 = include temperature measurement
Unused
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1
1
Default Value
0x0000
0x0000
0x0000
0x0000
Default
Value
0x0000