參數(shù)資料
型號: AD7877ACBZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 26/45頁
文件大小: 0K
描述: IC CTRLR TOUCH SCREEN 25-WLCSP
標(biāo)準(zhǔn)包裝: 1
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: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面: 779 (CN2011-ZH PDF)
配用: EVAL-AD7877EBZ-ND - BOARD EVALUATION FOR AD7877
其它名稱: AD7877ACBZ-REEL7DKR
Data Sheet
AD7877
Rev. D | Page 31 of 44
If the ALERT source is a GPIO, then masking out the interrupt
by clearing the corresponding ALEN bit to 0 or removing the
source of the interrupt on the GPIO pin causes ALERT to go
high again.
If the ALERT source is an out-of-limit measurement, writing a
0 to the corresponding status bit in the alert status/enable
register causes ALERT to go high. However, the status bit is set
to 1 again on the next measurement cycle, if the measurement
remains out of limit. The ALERT source can also be masked by
clearing the relevant bit in the alert status/enable register to 0.
Table 12. GPIO Configuration
EN
DIR
POL
ALEN
Data Bit
Pin Voltage
ALERT
0
X
1
0
1
0
1
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
1
0
0
1
0
1
0
1
0
1
0
1
1
0
0
1
0
1
0
1
1
0
1
A change in the data register causes a change in the output voltage on the pin.
2
A change in input voltage on the pin causes a change in the data register bit.
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