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參數(shù)資料
| 型號： | MK712SITR |
| 英文描述： | Touch Screen Controller |
| 中文描述： | 觸摸屏控制器 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 204K |
| 代理商： | MK712SITR |
MK712
Touch Screen Controller
MDS 712 I
1
Revision 100899 Printed 11/16/00
Integrated Circuit Systems, Inc.525 Race St.San JoseCA95126(408)295-9800telwww.icst.com
ICRO
C
LOC K
Pin Assignment
The MK712 Touch Screen Controller IC provides
all the screen drive, A to D converter and control
circuits to easily interface to 4-wire analog resistive
touch screens.
The IC continually monitors the screen waiting
for a touch. In this mode, the supply current is
typically 0.5μA. When the screen is touched, the
IC performs analog to digital conversions to
determine the location of the touch, stores the X
and Y locations in the registers, and issues an
interrupt. This process is repeated up to 197 times
per second until no further screen touches are
detected, at which time the low current mode is
resumed.
Block Diagram
Description
Features
XH
XL
YH
YL
Fully integrated, lowest power solution
Low standby current of 0.5μA (typical) at 5.0V
Active current while converting less than 10 mA
Resolves 350 dots/inch on 10.5” display
Maximum speed of 197 points/second
Ratiometric conversion may eliminate screen
calibration
Automatically wakes up and goes back to standby
3.3V or 5V supply
12 bit A/D converter
Simplifies the writing of software for touch screens
Extended temperature range available
Capacitors are the only external components
required
Touch screen is directly driven - no external
transistors are required
Programmable conversion rate
A to D Converter is monotonic
Parallel interface
See the MK715 for a serial interface
(14.318 MHz)
12 Bit A/D,
Screen Driver
and
Controller
D0-D7
A0-A2
CS
RD
WR
STATUS LOW
STATUS HIGH
X-LOW
X-HIGH
Y-LOW
Y-HIGH
CONTROL
RATE
0
1
2
3
4
5
6
7
INT
TOUCH
CLKIN
YH
YL
INT
XH
XL
VDD
VDD
TOUCH
GND
GND
WR
CS
NC
D0
D1
D2
GND
D6
D7
CLKIN
D5
VDD
D3
D4
A2
A0
A1
REGISTERS
RD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
8
3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MK712SLF | 功能描述:時鐘驅(qū)動器及分配 TOUCH SCREEN CONTROLLER RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
| MK712SLFTR | 功能描述:IC TOUCH SCREEN CTLR 28-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 觸摸屏控制器 系列:- 標(biāo)準(zhǔn)包裝:96 系列:- 類型:- 觸摸面板接口:- 輸入數(shù)/鍵:- 分辨率（位）:- 評估套件:* 數(shù)據(jù)接口:- 數(shù)據(jù)速率/采樣率 (SPS，BPS):- 電壓基準(zhǔn):- 電源電壓:- 電流 - 電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| MK712STR | 功能描述:IC TOUCH SCREEN CTLR 28-SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 觸摸屏控制器 系列:- 標(biāo)準(zhǔn)包裝:96 系列:- 類型:- 觸摸面板接口:- 輸入數(shù)/鍵:- 分辨率（位）:- 評估套件:* 數(shù)據(jù)接口:- 數(shù)據(jù)速率/采樣率 (SPS，BPS):- 電壓基準(zhǔn):- 電源電壓:- 電流 - 電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| MK715 | 制造商:ICS 制造商全稱:ICS 功能描述:Touch Screen Controller |
| MK7151F | 制造商:Ohmite Mfg Co 功能描述: |
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