參數(shù)資料
型號： MAX1234EGI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 消費家電
英文描述： 【15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller
中文描述： SPECIALTY CONSUMER CIRCUIT, QCC28
封裝： 5 X 5 MM, 0.80 MM HEIGHT, QFN-28
文件頁數(shù)： 37/44頁
文件大小： 706K
代理商： MAX1234EGI
M
±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
______________________________________________________________________________________
37
YES
SCREEN
TOUCH
START CLOCK
GO TO
HOST-INITIATED
SCAN
(FIGURE 24)
NO
YES
POWER UP ADC
YES
SET
PENIRQ LOW
ARE THERE
UNREAD SCAN
RESULTS
NO
CONVERT X- COORDINATES
IS TOUCH-SCREEN
SETTLING DONE
NO
IS DATA
AVERAGING DONE
TURN ON DRIVERS: X+, X-
YES
NO
POWER UP ADC
CONVERT Y- COORDINATES
IS TOUCH-SCREEN
SETTLING DONE
YES
NO
STORE Y- COORDINATES IN
Y- REGISTER
POWER DOWN ADC
IS DATA
AVERAGING DONE
CONVERT Z
1
- COORDINATES
YES
NO
IS DATA
AVERAGING DONE
IS PENSTS
BIT = 1
SET BUSY LOW
TURN ON DRIVERS: Y+, Y-
DONE
TURN OFF CLOCK
SET BUSY HIGH
STORE Z
1
- COORDINATES
IN Z
1
- REGISTER
YES
NO
IS DATA
AVERAGING DONE
CONVERT Z
2
COORDINATES
STORE Z
2
- COORDINATES
IN Z
2
- REGISTER
RESET PENIRQ HIGH
PENIRQ-INITIATED
X, Y, AND Z SCREEN SCAN
POWER UP ADC
STORE X- COORDINATES
IN X- REGISTER
POWER DOWN ADC
TURN ON DRIVERS: Y+, X-
YES
NO
POWER UP ADC
IS TOUCH-SCREEN
SETTLING DONE
Figure 22. Touch-Initiated X- , Y-, and Z- Coordinate Screen Scan
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1234EGI+ 制造商:Maxim Integrated Products 功能描述:TOUCH SCREEN CONTROLLER 28-PIN QFN EP - Rail/Tube
MAX1234EGI-T 功能描述:觸摸屏轉(zhuǎn)換器和控制器 RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
MAX1234ETI+ 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4Ch uWire QSPI/SPI Touch Interface RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
MAX1234ETI+T 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4Ch uWire QSPI/SPI Touch Interface RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
MAX1234EVC16 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX1233/34 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
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