参数资料
型号: AD7879-1ACPZ-RL
厂商: Analog Devices Inc
文件页数: 18/41页
文件大小: 0K
描述: IC ADC 12BIT CTLR TOUCH 16LFCSP
标准包装: 5,000
类型: 电阻
触摸面板接口: 4 线
输入数/键: 1 TSC
分辨率(位): 12 b
评估套件: 可供
数据接口: I²C,串行
数据速率/采样率 (SPS,BPS): 105k
电压基准: 内部
电源电压: 1.6 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-VQFN 裸露焊盘,CSP
供应商设备封装: 16-LFCSP-VQ
包装: 带卷 (TR)
AD7879/AD7889
Rev. C | Page 24 of 40
Table 14. Control Register 3
Address
Bit Name
Data Bit
Description
Default
Value
0x03
TEMP MASK
15
TEMP mask bit.
0x0000
0 = temperature measurement is allowed to cause interrupt.
1 = temperature measurement is not allowed to cause interrupt.
AUX/VBAT MASK
14
AUX/VBAT mask bit.
0 = AUX/VBAT measurement is allowed to cause interrupt.
1 = AUX/VBAT measurement is not allowed to cause interrupt.
INT MODE
13
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 ALERT
12
GPIO interrupt enable.
0 = GPIO can cause an alert on the INT output.
1 = mask GPIO from causing an alert on the INT output.
AUX/VBAT LOW
11
1 = AUX/VBAT below low limit.
AUX/VBAT HIGH
10
1 = AUX/VBAT above high limit.
TEMP LOW
9
1 = TEMP below low limit.
TEMP HIGH
8
1 = TEMP above high limit.
X+
7
1 = include measurement of Y position (X+ input).
Y+
6
1 = include measurement of X position (Y+ input).
Z1
5
1 = include Z1 touch-pressure measurement (X+ input).
Z2
4
1 = include measurement of Z2 touch-pressure measurement (Y input).
AUX
3
1 = include measurement of AUX channel.1
VBAT
2
1 = include measurement of battery monitor (VBAT).1
TEMP
1
1 = include temperature measurement.
Not used
0
Unused.
1
If GPIO is enabled in Control Register 2 (Bit 13), AUX and VBAT are both ignored. If AUX and VBAT are both selected and GPIO is disabled, AUX is ignored and VBAT is
measured.
Table 15. Limit Registers
Address
Register Name
Data Bit
Description
Default
Value
0x04
AUX/VBAT high limit
[15:0]
User-programmable AUX/VBAT high limit register
0x0000
0x05
AUX/VBAT low limit
[15:0]
User-programmable AUX/VBAT low limit register
0x0000
0x06
TEMP high limit
[15:0]
User-programmable TEMP high limit register
0x0000
0x07
TEMP low limit
[15:0]
User-programmable TEMP low limit register
0x0000
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