參數(shù)資料
型號: SX8652IWLTRT
廠商: Semtech
文件頁數(shù): 10/29頁
文件大?。?/td> 0K
描述: IC TOUCH SCREEN CTRLR 14DFN
標(biāo)準(zhǔn)包裝: 1
類型: 電阻
觸摸面板接口: 4 線,5 線
輸入數(shù)/鍵: 2
分辨率(位): 12 b
數(shù)據(jù)接口: 串行,SPI?
數(shù)據(jù)速率/采樣率 (SPS,BPS): 74k
電壓基準(zhǔn): 內(nèi)部
電源電壓: 1.65 V ~ 3.7 V
電流 - 電源: 10mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 14-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 14-DFN
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: SX8652IWLDKR
Revision V1.7/October 2010
2010 Semtech Corp.
SX8652
www.semtech.com
Page 18
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
15kV ESD Low Power 4-Wire / 5-Wire Resistive
Touchscreen Controller with SPI Interface
Figure 16. AUTO, PENDET and PENTRIG Mode Flowchart
Touch Detected ?
Start channel conversion
Set interrupt
NIRQ=0
Release Interrupt
NIRQ=1
All channel
data read
All conversion
finished
yes
no
PENTRIGMODE
CONDIRQ=1 ?
Touch Detected ?
Set timer=RATE
Start timer
Start channel conversion
Set interrupt
NIRQ=0
Release Interrupt
NIRQ=1
yes
Timer expire
All channel
data read
All conversion
finished
yes
no
AUTOMODE
Touch Detected ?
Set interrupt
NIRQ=0
Release Interrupt
NIRQ=1
RegStat read
yes
no
PENDETMODE
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