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參數(shù)資料
| 型號(hào)： | TSC2046EIZQCR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA48 |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, PLASTIC, VFBGA-48 |
| 文件頁(yè)數(shù)： | 9/32頁(yè) |
| 文件大小： | 755K |
| 代理商： | TSC2046EIZQCR |
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TSC2046E
SBAS417B JUNE 2007 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. (16 clocks cycles are 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 TSC2046E 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 TSC2046E.
15 Clocks-per-Conversion
Figure 13
provides
the
fastest
way
to
clock
the
TSC2046E. 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
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TSC2046EIZQCT | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4-Wire Touch Screen Controller RoHS:否 制造商:Microchip Technology 類(lèi)型:Resistive Touch Controllers 輸入類(lèi)型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類(lèi)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 |
| TSC2046E-Q1 | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:LOW-VOLTAGE I/O TOUCH SCREEN CONTROLLER |
| TSC2046EQPWRQ1 | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 AC 2-Ph Interleaved CCM PFC Controller RoHS:否 制造商:Microchip Technology 類(lèi)型:Resistive Touch Controllers 輸入類(lèi)型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類(lèi)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 |
| TSC2046EVM | 功能描述:觸摸傳感器開(kāi)發(fā)工具 TSC2046 Eval Mod RoHS:否 制造商:Cypress Semiconductor 工具用于評(píng)估: 接口類(lèi)型: 工作電壓: 最大工作溫度: |
| TSC2046EVM-PDK | 功能描述:觸摸傳感器開(kāi)發(fā)工具 TSC2046 Product Dev Kit RoHS:否 制造商:Cypress Semiconductor 工具用于評(píng)估: 接口類(lèi)型: 工作電壓: 最大工作溫度: |
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