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参数资料
| 型号： | TSC2301PAG |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | SIGN, EYE PROTECTION MUST BE WORN; RoHS Compliant: NA |
| 中文描述： | 可编程触摸屏控制器，立体声编解码器 |
| 文件页数： | 37/92页 |
| 文件大小： | 1161K |
| 代理商： | TSC2301PAG |
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Bit 13 — PLLO
PLL Output on GPIO_0. This bit allows the user to receive the output of the audio codec internal PLL. This bit is
provided so the host processor can use the output of the PLL, to generate its I
2
S signals in sync with an external
MCLK or crystal oscillator. Writing a 0 to this bit connects the output of the PLL to the GPIO_0 pin. Otherwise,
the GPIO_0 pin operates as normal.
TSC2301
SLAS371D–SEPTEMBER 2002–REVISED AUGUST 2004
Bit 15 — SDAV (write only)
SPI Data Available. This read-only bit mirrors the function of the DAV pin. This bit is provided so that the host
processor can poll the SPI interface to see whether data is available, without dedicating a GPIO pin from the host
processor to the TSC2301 DAV pin. This bit is normally high, goes low when touch screen or keypad data is
available, and is reset high when all the new data has been read. When written to, this bit becomes KBC1,
operation detailed below.
Table 24. SPI Data Available (Read Only)
SDAV
0
1
Description
Touchscreen data is available.
No new data available (default)
Bits [15:14] — KBC1-KBC0 (write mode)
KBIRQ Control (write-only mode). These bits control the behavior of the KBIRQ signal. There are four possible
ways to de-assert the KBIRQ signal once it goes low. These bits control which particular events cause the
KBIRQ signal to be de-asserted (go high). The four de-assertion possibilities are:
A. Hardware or software reset. Hardware reset—RESET pin asserted (high) and subsequently de-asserted.
Software reset—writing BB00h to register 04h, page 1.
B. Writing 1 to the SCS bit. Bit 14 of register 01h, page 1
C. Releasing the pressed key on the keypad.
D. Reading the keypad data register (register 04h, page0).
Refer to the table below to see which settings of the KBC1 - KBC0 correspond to the KBIRQ reset events. When
read, KBC1 becomes SDAV operation detailed above. KBC0 operates the same as in read and write modes.
Table 25. KBIRQ Behavior Possibilities
KBC1 KBC0 KBIRQ Reset Event
0
0
De-assertion possibility A or B or C.
0
1
De-assertion possibility A or B.
1
0
De-assertion possibility A or B or C or D.
1
1
De-assertion possibility A or B or D (default).
Table 26. PLL Output
PLLO
0
1
Description
Output PLL on GPIO_0.
GPIO_0 operates as normal (default).
37
相关PDF资料 |
PDF描述 |
|---|---|
| TSC2301PAGR | PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC |
| TSC2301IGQZR | PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC |
| TSC303 | Power NAND Gates |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TSC2301PAGR | 制造商:TI 制造商全称:Texas Instruments 功能描述:PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC |
| TSC2302 | 制造商:BB 制造商全称:BB 功能描述:PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC |
| TSC2302IRGZ | 功能描述:触摸屏转换器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec 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 |
| TSC2302IRGZG4 | 功能描述:触摸屏转换器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec 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 |
| TSC2302IRGZR | 功能描述:触摸屏转换器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec 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 |
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