參數(shù)資料
型號(hào): AD7879-1WACPZ-RL7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 15/41頁(yè)
文件大小: 0K
描述: IC ADC 12BIT CTRLR TOUCH 16LFCSP
標(biāo)準(zhǔn)包裝: 1,500
類型: 電阻
觸摸面板接口: 4 線
輸入數(shù)/鍵: 1 TSC
分辨率(位): 12 b
評(píng)估套件: *
數(shù)據(jù)接口: I²C,串行
數(shù)據(jù)速率/采樣率 (SPS,BPS): 105k
電壓基準(zhǔn): 內(nèi)部
電源電壓: 1.6 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-VQFN 裸露焊盤(pán),CSP
供應(yīng)商設(shè)備封裝: 16-LFCSP-VQ EP(4x4)
包裝: 帶卷 (TR)
AD7879/AD7889
Rev. C | Page 21 of 40
REGISTER MAP
Table 11. Register Table
Address1
Register Name
Description
Default Value
Type
0x00
Unused
0x0000
R/W
0x01
Control Register 1
Pen interrupt enable, channel selection for manual conversion,
ADC mode, acquisition time, and conversion timer
0x0000
R/W
0x02
Control Register 2
ADC power management, GPIO control, pen interrupt mode,
averaging, median filter, software reset, and FCD
0x4040
R/W
0x03
Control Register 3
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
0x0000
R/W
0x04
AUX/VBAT high limit
AUX/VBAT high limit for comparison
0x0000
R/W
0x05
AUX/VBAT low limit
AUX/VBAT low limit for comparison
0x0000
R/W
0x06
TEMP high limit
TEMP high limit for comparison
0x0000
R/W
0x07
TEMP low limit
TEMP low limit for comparison
0x0000
R/W
0x08
X+
X+ measurement for Y position
0x0000
R
0x09
Y+
Y+ measurement for X position
0x0000
R
0x0A
X+ (Z1)
X+ measurement for touch-pressure calculation (Z1)
0x0000
R
0x0B
Y (Z2)
Y measurement for touch-pressure calculation (Z2)
0x0000
R
0x0C
AUX/VBAT
AUX/VBAT voltage measurement
0x0000
R
0x0D
TEMP
Temperature conversion measurement
0x0000
R
0x0E
Revision and device ID
0x0379
(AD7879-1/AD7889-1)
R
0x037A
(AD7879/AD7889)
R
1
Do not write to addresses outside the register map.
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