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參數(shù)資料
| 型號： | SX8652IWLTRT |
| 廠商： | Semtech |
| 文件頁數(shù)： | 13/29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 鍵 |
| 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 |
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Revision V1.7/October 2010
2010 Semtech Corp.
SX8652
www.semtech.com
Page 20
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
15kV ESD Low Power 4-Wire / 5-Wire Resistive
Touchscreen Controller with SPI Interface
9.3. SPI Host Commands
.The host can issue commands to change the operation mode or perform manual actions as defined in Table 13.
9.4. SPI implementation and multiple Read/Write
The SPI implemented on the SX8652 is set to the common setting CPOL=0 and CPHA=0 which means data are sampled
on the rising edge of the clock, and shifted on the falling one.
The default state of the clock when NCS gets asserted is low. If a host send a command while the system is busy, the
command is discarded.
The SPI protocol is designed to be able to do multiple read/write during a transaction. During one single operation, as long
as NCS stay asserted, the register address is automatically increased to allow sequential read/write (or sequential retrieval
of data). Between each different operation though (READ/WRITE/READCHAN), the communication should be restarted.
This is described in Figure 17.
command name
CR(7:0)
Function
7
6
5
4
3
2
1
0
SELECT(CHAN)
1
0
x
CHAN(2:0)
Bias channel (see Table 12 for CHAN)
CONVERT(CHAN)
1
0
1
x
CHAN(2:0)
Bias channel (see Table 12 for CHAN)
MANAUTO
1
0
1
x
Enter manual or automatic mode.
PENDET
1
0
x
Enter pen detect mode.
PENTRG
1
0
x
Enter pen trigger mode.
Table 13.
Host Commands
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SX8653 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Multitouch 15kV ESD protection 4-Wire / 5-Wire Resistive Touchscreen Controller with SPI Interface |
| SX8653ICSTRT | 制造商:Semtech Corporation 功能描述: |
| SX8653ICSTRT1 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Multitouch 15kV ESD protection 4-Wire / 5-Wire Resistive Touchscreen Controller with SPI Interface |
| SX8653IWLTRT | 制造商:Semtech Corporation 功能描述: 制造商:Semtech Corporation 功能描述:TAPE & REEL 4/5 WIRE RESISTIVE TOUCH |
| SX8653IWLTRT1 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Multitouch 15kV ESD protection 4-Wire / 5-Wire Resistive Touchscreen Controller with SPI Interface |
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