参数资料
型号: MAX1233ETI+
厂商: Maxim Integrated Products
文件页数: 32/44页
文件大小: 0K
描述: IC CNTRLR TOUCH 28-TQFN
其它有关文件: Automotive Product Guide
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
类型: 电阻
触摸面板接口: 4 线
输入数/键: 1,4 x 4 小键盘
分辨率(位): 8,10,12 b
数据接口: MICROWIRE?,QSPI?,串行,SPI?
数据速率/采样率 (SPS,BPS): 50k
电压基准: 外部,内部
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 管件
MAX1233/MAX1234
±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
38
______________________________________________________________________________________
YES
SCREEN
TOUCH
START CLOCK
HOST WRITES
ADC CONTROL REGISTER
(PENSTS = ADSTS = 0)
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?
STORE X- COORDINATES
IN X- REGISTER
YES
NO
POWER DOWN ADC
POWER UP ADC
TURN ON DRIVERS: X+, X-
CONVERT Y- COORDINATES
IS TOUCH-SCREEN
SETTLING DONE?
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 Y- COORDINATES IN
Y- REGISTER
RESET PENIRQ HIGH
HOST-INITIATED
X- AND Y- SCREEN SCAN
POWER DOWN ADC
GO TO
TOUCH-INITIATED
SCAN
(FIGURE 21)
YES
Figure 23. Host-Initiated X- and Y- Coordinate Screen Scan
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相关代理商/技术参数
参数描述
MAX1233ETI+ 功能描述:触摸屏转换器和控制器 4Ch uWire QSPI/SPI Touch Interface RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20
MAX1233ETI+T 功能描述:触摸屏转换器和控制器 4Ch uWire QSPI/SPI Touch Interface RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20
MAX1234EGI 功能描述:触摸屏转换器和控制器 RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20
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:触摸屏转换器和控制器 RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20