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參數資料
型號: TSC2046IRGVT
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC16
封裝: 4 X 4 MM, 1MM HEIGHT, GREEN, PLASTIC, QFN-16
文件頁數: 9/33頁
文件大小: 774K
代理商: TSC2046IRGVT
TSC2046
SBAS265G OCTOBER 2002 REVISED JANUARY 2008
www.ti.com
17
16 Clocks-per-Conversion
The control bits for conversion n + 1 can be overlapped
with conversion n to allow for a conversion every 16 clock
cycles, as shown in Figure 11. This figure also shows
possible serial communication occurring with other serial
peripherals between each byte transfer from the processor
to the converter. This is possible, provided that each
conversion completes within 1.6ms of starting. Otherwise,
the signal that is captured on the input sample-and-hold
may droop enough to affect the conversion result. Note
that the TSC2046 is fully powered while other serial
communications are taking place during a conversion.
Digital Timing
Figure 9, Figure 12, and Table 6 provide detailed timing for
the digital interface of the TSC2046.
15 Clocks-per-Conversion
Figure 13 provides the fastest way to clock the TSC2046.
This method does not work with the serial interface of most
microcontrollers and digital signal processors, as they are
generally not capable of providing 15 clock cycles per
serial transfer. However, this method can be used with
field-programmable gate arrays (FPGAs) or application-
specific integrated circuits (ASICs). Note that this
effectively increases the maximum conversion rate of the
converter beyond the values given in the specification
tables, which assume 16 clock cycles per conversion.
1
DCLK
CS
81
11
DOUT
BUSY
S
DIN
Control Bits
S
Control Bits
10
98765
4
3
2
1
0
11 10
9
81
1
8
Figure 11.
Conversion Timing, 16 Clocks-per-Conversion, 8-Bit Bus Interface.
No DCLK delay required with dedicated serial port
PD0
t
BDV
t
DH
t
CH
t
CL
t
DS
t
CSS
t
DV
t
BD
t
BD
t
TR
t
BTR
t
DO
t
CSH
DCLK
CS
11
DOUT
BUSY
DIN
10
Figure 12. Detailed Timing Diagram
相關PDF資料
PDF描述
TSC2046IGQCR-90 SPECIALTY CONSUMER CIRCUIT, PBGA48
TSC2046IZQCR-90 SPECIALTY CONSUMER CIRCUIT, PBGA48
TSC2046IZQCR SPECIALTY CONSUMER CIRCUIT, PBGA48
TSC2046IPWRG4 SPECIALTY CONSUMER CIRCUIT, PDSO16
TSC2046IRGVRG4 SPECIALTY CONSUMER CIRCUIT, PQCC16
相關代理商/技術參數
參數描述
TSC2046IRGVTG4 功能描述:觸摸屏轉換器和控制器 4-Wire w/low voltage digital I/O 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
TSC2046IZQCR 功能描述:觸摸屏轉換器和控制器 4-Wire w/low voltage digital I/O 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
TSC2046IZQCR-90 功能描述:觸摸屏轉換器和控制器 4-Wire w/low voltage digital I/O 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
TSC2046IZQCT 功能描述:觸摸屏轉換器和控制器 4-Wire w/low voltage digital I/O 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
TSC2059 制造商:TSC 制造商全稱:Taiwan Semiconductor Company, Ltd 功能描述:General Purpose NPN Transistor
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