Controllers with I2C/SP" />
參數(shù)資料
型號(hào)： MAX11802ETC+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 30/59頁(yè)
文件大?。?/td> 0K
描述： IC CTRLR TOUCH-SCREEN 12-TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 75
類(lèi)型： 電阻
觸摸面板接口： 4 線
輸入數(shù)/鍵： 1 TSC
分辨率（位）： 12 b
數(shù)據(jù)接口： 串行，SPI?
數(shù)據(jù)速率/采樣率 (SPS，BPS)： 105k
電源電壓： 1.7 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 12-WQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 12-TQFN-EP（4x4）
包裝： 管件
產(chǎn)品目錄頁(yè)面： 1424 (CN2011-ZH PDF)
MAX11800–MAX11803
Low-Power, Ultra-Small Resistive Touch-Screen
Controllers with I2C/SPI Interface
36
______________________________________________________________________________________
04
8
12
16
20
4
8
12
16
6
7
24
INTERRUPT TIMING WAVEFORM 1 (ASSUMING FREQUENT SERVICING EVENTS WITH APERTURE MODE ENABLED)
PANEL TOUCH SPATIAL WAVEFORM
ONE DRAG EVENT (1:5)
AND ONE PRESS EVENT (6:7)
INTERRUPT TIMING WAVEFORM 3 (ASSUMING INFREQUENT SERVICING EVENTS)
NOTE: POSITION 5 IS LOGGED EVEN THOUGH POSITION 5 APPEARS IN APER4 BECAUSE POSITION 5 IS A RELEASE DATA POINT.
IT IS THE SAME FOR POSITION 7. IF THE POSITION 6 TOUCH EVENT INITIATES WITHIN THE FINAL APERTURE FROM THE
PREVIOUS EVENT (APER4), POSITION 6 IS LOGGED AS AN INITIAL TOUCH EVENT.
(1) IRQ ISSUED
(SERVICED) IRQ RELEASED
INTERRUPT TIMING WAVEFORM 2 (ASSUMING FREQUENT SERVICING EVENTS WITH APERTURE MODE DISABLED)
1
2
3
45
7
6
1
2
34
5
7
6
1
2
4
5
3
INITIAL
TOUCH
INITIAL
RELEASE
SECOND
RELEASE
SECOND
TOUCH
DRAG
APER6
APER4
APER3
APER2
APER1
TIRQ
Figure 16. Aperture Usage Example Waveforms—MAX11800/MAX11801
When the MAX11800/MAX11801 operate in autonomous
conversion mode with low or no aperture ranges, the
FIFO and interrupt activity occur frequently with the AP
servicing the devices frequently to avoid loss of data
due to limited FIFO depth. For this reason, do not per-
form autonomous conversion for applications where a
high resolution in either space or time is required. Use
direct conversion mode when requiring a high resolu-
tion in either space or time.
Examples of Using Aperture Mode
Figure 16 shows an example of a touch sequence. A
dragged touch sequence is initiated at position 1 and
continues through to position 5. While multiple samples
are taken during this sequence, only those samples
that meet aperture requirements are enumerated and
are shown with the corresponding aperture ranges.
Positions 6 and 7 show a subsequent momentary press
event.
Figure 16 shows the anticipated interrupt waveforms in
several operating modes. The first waveform shows
interrupt operation assuming that aperture mode is
enabled (with
ΔX = ΔY = 4 LSBs), assuming that the AP
service interrupts at a frequency faster than the select-
ed TSC sample rate. Each qualifying sample induces a
FIFO event and an interrupt pulse as shown. Timing
between FIFO events can be timed by the AP to deter-
mine duration information. Table 14 shows the read-
back data assuming that the FIFO does not fill up.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX11802ETC+ 功能描述:觸摸屏轉(zhuǎn)換器和控制器 SPI 4Ch 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
MAX11802ETC+T 功能描述:觸摸屏轉(zhuǎn)換器和控制器 SPI 4Ch 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
MAX11802EWC+T 功能描述:觸摸屏轉(zhuǎn)換器和控制器 SPI 4Ch 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
MAX11803ETC/V+ 制造商:Maxim Integrated Products 功能描述:LOW-POWER, ULTRA-SMALL RESISTIVE TOUCH-SCREEN CONTROLLERS W/ - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC CTRLR TOUCH-SCREEN 12-QFN
MAX11803ETC/V+T 制造商:Maxim Integrated Products 功能描述:LOW-POWER, ULTRA-SMALL RESISTIVE TOUCH-SCREEN CONTROLLERS W/ - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC CTRLR TOUCH-SCREEN 12-QFN
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