參數(shù)資料
型號: AD7877ACBZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 29/45頁
文件大?。?/td> 0K
描述: IC CTRLR TOUCH SCREEN 25-WLCSP
標(biāo)準(zhǔn)包裝: 10,000
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
評估套件: 可供
數(shù)據(jù)接口: 串行,SPI?
數(shù)據(jù)速率/采樣率 (SPS,BPS): 125k
電壓基準(zhǔn): 外部,內(nèi)部
電源電壓: 2.7 V ~ 5.25 V
電流 - 電源: 1µA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 25-UFBGA,WLCSP
供應(yīng)商設(shè)備封裝: 25-WLCSP
包裝: 帶卷 (TR)
配用: EVAL-AD7877EBZ-ND - BOARD EVALUATION FOR AD7877
AD7877
Data Sheet
Rev. D | Page 34 of 44
Table 15. Read Register Map
Register Address
Binary
RADD4
RADD3
RADD2
RADD1
RADD0
Hex
Register Name
Description
0
00
None
Reads back all zeros
0
1
01
Control Register 1
0
1
0
02
Control Register 2
0
1
03
Alert status/enable
register
0
1
0
04
AUX1 high limit
0
1
0
1
05
AUX1 low limit
0
1
0
06
BAT1 high limit
0
1
07
BAT1 low limit
0
1
0
08
BAT2 high limit
0
1
0
1
09
BAT2 low limit
0
1
0
1
0
0A
TEMP1 low limit
0
1
0
1
0B
TEMP1 high limit
0
1
0
0C
Sequencer Register 0
0
1
0
1
0D
Sequencer Register 1
0
1
0
0E
DAC register
0
1
0F
None
Factory use only
1
0
10
X+
Measurement at X+ input for Y position
1
0
1
11
Y+
Measurement at Y+ input for X position
1
0
1
0
12
Y (Z2)
Measurement at Y input for touch-pressure
calculation Z2
1
0
1
13
AUX1
Auxiliary Input 1 measurement
1
0
1
0
14
AUX2
Auxiliary Input 2 measurement
1
0
1
0
1
15
AUX3
Auxiliary Input 3 measurement
1
0
1
0
16
BAT1
Battery Input 1 measurement
1
0
1
17
BAT2
Battery Input 2 measurement
1
0
18
TEMP1
Single-ended temperature measurement
1
0
1
19
TEMP2
Differential temperature measurement
1
0
1
0
1A
X+ (Z1)
Measurement at X+ input for touch-pressure
calculation Z1
1
0
1
1B
GPIO Control
Register 1
1
0
1C
GPIO Control
Register 2
1
0
1
1D
GPIO data
1
0
1E
None
Factory use only
1
1F
None
Factory use only
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