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參數資料
| 型號： | TSC2008IRGVT |
| 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, GREEN, PLASTIC, VQFN-16 |
| 文件頁數： | 17/40頁 |
| 文件大小： | 1028K |
| 代理商： | TSC2008IRGVT |
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12-BIT OPERATION TIMING
t
ACQ
Idle
Acquire
Conv
1
0
Idle
1
SCLK
CS
8
1
11
SDO
Drivers1and2
(1)
(SER/DFRHigh)
Drivers1and2
(1, 2)
(SER/DFRLow)
(MSB)
(START)
(LSB)
A2
S
On
Off
SDI
A1
A0 MODE
SER/
DFR
PD1 PD0
10
9
8
7
6
5
4
3
2
1
0
ZeroFilled...
8
1
8
NOTES: (1)ForY-Position,Driver1isonX+isselected,andDriver2isoff.ForX-Position,Driver1isoff,Y+isselected,andDriver2ison.Y willturnon
-
whenpower-downmodeisenteredandPD0=0.
(2)DriverswillremainonifPD0=1(nopowerdown)untilselectedinputchannel,orpower
ishigh.
-downmodeischanged,or CS
PENIRQ
HIGH: Disableor(EnableandNotTouched)
New
Definition
PENIRQ
LOW: EnableandTouched
HIGH: Disableor
(EnableandNotTouched)
LOW: EnableandTouched
1
SCLK
CS
8
1
SDO
PENIRQ
S
SDI
ControlBits
S
ControlBits
HIGH: Disableor(EnableandNotTouched)
NewPENIRQDefinition
LOW: EnableandTouched
8
1
8
11 10
9
8
7
6
5
4
3
2
1
0
11 10
9
A2
1
A1 A0 MODE
SER/
DFR
PD1 PD0
A2 A1 A0 MODE
SER/
DFR
PD1 PD0
n
n +1
n
n +1
HIGH: Disableor
(EnableandNotTouched)
LOW: EnableandTouched
Idle
Acquire Conv
Idle
Acquire Conv
Idle
SBAS406B – JUNE 2008 – REVISED MARCH 2009.......................................................................................................................................................... www.ti.com
A single touch result can be easily achieved using 24 SCLKs per cycle operation when the 12-bit ADC mode is
used, as shown in Figure 30. However, because this operation uses slightly more bus bandwidth, a more efficient
method is to overlap the control bytes with the conversion result using 16 SCLKs per cycle operation; see
Figure 30. Conversion Timing—12-Bit Mode, 24 SCLKs per Cycle, 8-Bit Bus Interface
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 31. After submitting the control bits, the TSC2008 uses the internal clock to
acquire data from seven conversions (see Figure 28). Deselecting the TSC2008 (CS = '1') during this time period
allows the host to communicate with the other peripherals using the same SPI bus before reading out the ADC
data.
Figure 31. Conversion Timing—12-Bit Mode, 16 SCLKs per Cycle, 8-Bit Bus Interface, with Earliest Start
of New Command
24
Copyright 2008–2009, Texas Instruments Incorporated
Product Folder Link(s): TSC2008
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TSC2008IYZGR | 功能描述:觸摸屏轉換器和控制器 Nano-Pwr Touch Screen Controller 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 |
| TSC2008IYZGT | 功能描述:觸摸屏轉換器和控制器 Nano-Pwr Touch Screen Controller 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 |
| TSC2008-Q1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER with SPIa?￠ |
| TSC2008RGVR | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER with SPI? |
| TSC2008RGVT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER with SPI⑩ |
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