參數(shù)資料
型號(hào): SX8652IWLTRT
廠商: Semtech
文件頁(yè)數(shù): 29/29頁(yè)
文件大?。?/td> 0K
描述: IC TOUCH SCREEN CTRLR 14DFN
標(biāo)準(zhǔn)包裝: 1
類(lèi)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(lèi)型: 表面貼裝
封裝/外殼: 14-WFDFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 14-DFN
包裝: 標(biāo)準(zhǔn)包裝
其它名稱(chēng): SX8652IWLDKR
Revision V1.7/October 2010
2010 Semtech Corp.
SX8652
www.semtech.com
Page 9
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
15kV ESD Low Power 4-Wire / 5-Wire Resistive
Touchscreen Controller with SPI Interface
2.5. Host Interface Specifications
(i) All timing specifications refer to voltage levels (50% VDD, VOH, VOL) defined in Table 6 unless otherwise mentioned.
Table 6. Host Interface Specifications
2.6. Host Interface Timing Waveforms
Figure 4. SPI Timing Waveform
Parameter
Symbol
Condition
Min
Typ
Max
Unit
SPI TIMING SPECIFICATIONS
(i)
SCLK
Clock Frequency
Duty Cycle
fSCLK
duty
40
5000
60
kHz
%
NCS edge to first SCLK “↑”
TCSS
50
ns
NCS edge to DOUT Low
TDCD
100
SCLK High Pulse Width
TCKH
80
SCLK Low Pulse Width
TCKL
80
Data Setup Time
TDS
40
Data Valid to SCLK Hold Time
TDH
70
Data Output Delay after SCLK “↓”
TDOD
70
NCS “↑” to SCLK Ignored
TCSI
50
NCS “↑” to DOUT Hi-Z state
TCCZ
90
NCS Hold Time
TCSW
150
tCKH
tDS
tDH
tCSS
tCKL
tDCD
tDOD
tCSW
tCSI
tCCZ
CSN
SCLK
DIN
DOUT
D11
VOL
VOH
50%VDD
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