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參數資料
| 型號： | TSC2301IPAGRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | GREEN, PLASTIC, TQFP-64 |
| 文件頁數： | 38/95頁 |
| 文件大小： | 1322K |
| 代理商： | TSC2301IPAGRG4 |
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Conversion Controlled by TSC2301 Initiated By Host Responding to PENIRQ
TSC2301
SLAS371D – SEPTEMBER 2002 – REVISED AUGUST 2004
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 TSC2301 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 53 through Figure 57.
The main difference between this mode and the previous mode is that the host, not the TSC2301, 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 6 in the case of single conversions, or from 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.
43
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TSC2301IZQZ | 功能描述:觸摸屏轉換器和控制器 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 數據速率: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 |
| TSC2301IZQZR | 功能描述:觸摸屏轉換器和控制器 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 數據速率: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 |
| TSC2301PAG | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC |
| TSC2301PAGR | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC |
| TSC2302 | 制造商:BB 制造商全稱:BB 功能描述:PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC |
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