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參數(shù)資料
| 型號： | MK712RLF |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數(shù)： | 20/21頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TOUCH SCREEN CTLR 28-SSOP |
| 標準包裝： | 48 |
| 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 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 電源電壓： | 3 V ~ 5.5 V |
| 電流 - 電源： | 5mA |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SSOP（0.154"，3.90mm 寬） |
| 供應商設(shè)備封裝： | 28-QSOP |
| 包裝： | 管件 |
MK712
TOUCH SCREEN CONTROLLER
TOUCH SCREEN CONTROL
IDT TOUCH SCREEN CONTROLLER
8
MK712
REV N 051310
Recommended Method for Reading Points
If the user is pressing lightly on the touch screen, it is likely that the screen contact will be intermittent. The screen
will bounce, causing false points. This effect can be reduced by insuring that the screen is touched both before and
after a conversion. By doing this, the first and last point in a series of points are discarded. The following algorithm
checks that a point has valid touches both before and after a conversion, and it distinguishes between
change-in-touch interrupts and conversion complete interrupts. Register 6 bits 0, 1, and 2 must all be true (logical
1) in order to use this method.
Warning–When Using a Switching Regulator Power Supply
When using the MK712 in a system where the power is supplied by a switching regulator, do not perform screen
conversions when the regulator is operating in the power saving mode. Some switching regulators feature a low
power mode (for example, Linear Technology’s “Burst Mode”) where the output is turned on and off in order to save
power. The extra power supply noise generated when using this mode causes spurious data points to be returned
from the MK712, so it should be disabled when the MK712 is doing screen conversions.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MK712RLFTR | 功能描述:IC TOUCH SCREEN CTLR 28-SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 觸摸屏控制器 系列:- 標準包裝:96 系列:- 類型:- 觸摸面板接口:- 輸入數(shù)/鍵:- 分辨率（位）:- 評估套件:* 數(shù)據(jù)接口:- 數(shù)據(jù)速率/采樣率 (SPS，BPS):- 電壓基準:- 電源電壓:- 電流 - 電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| MK712RTR | 功能描述:IC TOUCH SCREEN CTLR 28-SSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 觸摸屏控制器 系列:- 標準包裝:96 系列:- 類型:- 觸摸面板接口:- 輸入數(shù)/鍵:- 分辨率（位）:- 評估套件:* 數(shù)據(jù)接口:- 數(shù)據(jù)速率/采樣率 (SPS，BPS):- 電壓基準:- 電源電壓:- 電流 - 電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| MK712RWLF | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:TOUCH SCREEN CONTROLLER |
| MK712RWLFTR | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:TOUCH SCREEN CONTROLLER |
| MK712S | 功能描述:IC TOUCH SCREEN CTLR 28-SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 觸摸屏控制器 系列:- 標準包裝:96 系列:- 類型:- 觸摸面板接口:- 輸入數(shù)/鍵:- 分辨率（位）:- 評估套件:* 數(shù)據(jù)接口:- 數(shù)據(jù)速率/采樣率 (SPS，BPS):- 電壓基準:- 電源電壓:- 電流 - 電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
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