參數(shù)資料
型號: 74LCX541SJX
廠商: Fairchild Semiconductor
文件頁數(shù): 3/10頁
文件大小: 0K
描述: IC BUFF/DVR 8BIT LOW V 20SOP
標準包裝: 2,000
系列: 74LCX
邏輯類型: 緩沖器/線路驅(qū)動器,非反相
元件數(shù): 1
每個元件的位元數(shù): 8
輸出電流高,低: 24mA,24mA
電源電壓: 2 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-SOIC(0.209",5.30mm 寬)
供應商設備封裝: 20-SOIC
包裝: 帶卷 (TR)
2009-2012 Microchip Technology Inc.
Preliminary
DS41393B-page 13
AR1000 SERIES RESISTIVE TOUCH SCREEN CONTROLLER
3.4
5-Wire Touch Sensor Interface
Sensor tail pinouts can vary by manufacturer and part
number. Ensure sensor tail pins for one pair of
diagonally related sensor corners are connected to the
controller’s X-/X+ pins and the tail pins for the other pair
of diagonally related corners are connected to the
controller’s Y-/Y+ pins.
The controller’s X-/X+ and Y-/Y+ pin pairs do not need
to connect to a specific sensor axis. The orientation of
controller pins X- and X+ to the two selected diagonal
sensor corners is not important.
Likewise, the orientation of controller pins Y- and Y+ to
the other two selected diagonal sensor corners is not
important. The sensor tail pin connected to its top layer
must be connected to the controller’s 5WSX- pin.
Connections to a 5-wire touch sensor are shown in
FIGURE 3-3:
5-WIRE TOUCH SENSOR INTERFACE
Tie unused controller pins SX+, SY-, and SY+ to VSS.
See
and
information regarding the capacitance of the controller
schematic hardware.
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