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參數資料
| 型號： | TSC2301IZQZR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA120 |
| 封裝： | GREEN, PLASTIC, VFBGA-120 |
| 文件頁數： | 31/95頁 |
| 文件大小： | 1322K |
| 代理商： | TSC2301IZQZR |
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Bit 13 — PLLO
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
Description
0
Touchscreen data is available.
1
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
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
De-assertion possibility A or B or D (default).
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 I2S 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.
Table 26. PLL Output
PLLO
Description
0
Output PLL on GPIO_0.
1
GPIO_0 operates as normal (default).
37
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相關代理商/技術參數 |
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| 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 |
| TSC2302IRGZ | 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 |
| TSC2302IRGZG4 | 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 |
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