參數(shù)資料
型號(hào)： TSC2302
元件分類： Codec
英文描述： PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC
中文描述： 可編程觸摸屏控制器，立體聲編解碼器
文件頁數(shù)： 36/81頁
文件大?。?/td> 1211K
代理商： TSC2302
www.ti.com
TSC2302
SLAS394–JULY 2003
Conversion Controlled by TSC2302 Initiated By Host Responding to PENIRQ
This mode is provided for users who want more control over the A/D conversion process. This mode requires
more overhead from the host processor, so it is generally not recommended.
In this mode, the TSC2302 detects when the touch panel is touched and causes the PENIRQ line to go low. The
host recognizes the interrupt request, and then writes to the ADC control register to select one of the touch
screen scan functions (single X-, Y-, or Z-conversions, continuous X/Y or X/Y/Z1/Z2 Conversions). The
conversion process then proceeds as described above, and as outlined in Figure 48 through Figure 52.
The main difference between this mode and the previous mode is that the host, not the TSC2302, decides when
the touch screen scan begins after responding to a PENIRQ. In this mode, the host must either monitor both
PENIRQ and DAV, or wait a minimum time after writing to the A/D converter control register. This wait time can
be calculated from equation Equation 6 in the case of single conversions, or from equations Equation 4 or
Equation 5 in the case of multiple conversions. The nominal conversion times calculated by these equations
should be extended by approximately 12% to account for variation in the internal oscillator frequency.
36
相關(guān)PDF資料
PDF描述
TSC2302IRGZ PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC
TSC2302IRGZR PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TSC2302IRGZ 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec 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
TSC2302IRGZG4 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec 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
TSC2302IRGZR 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec 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
TSC2302IRGZRG4 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec 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
TSC2303IZQZ 制造商:Texas Instruments 功能描述:
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