MT6301 Datasheet PDF - MediaTek
| Part Number | MT6301 | |
| Description | Touch-Screen Controller | |
| Manufacturers | MediaTek | |
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MTK Confidential A (機密)
(宇陽MediaTek
6301 Touch-Screen Controller
聯發機Sp密ecifi不cati得ons洩漏
MediaTek Inc.
MTK CONFIDENTIAL
NO DISCLOSUREConfidential Information
This document is issued by MediaTek Inc. in confidence and is not to be reproduced in
whole or in part without the prior written permission of MediaTek Inc. and is to be used
only for the purpose for which it is submitted and is not to be released in whole or in part
宇陽)without the prior written permission of MediaTek Inc.
Rev. 1.1, Date: Feb., 21, 2006
Free Datasheet http://www.datasheetlist.com/
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6301 TSC Specification
Commercial Confidential
MTK Confidential A (機密)
MediaTek Inc.
3 Functional Description
3.1 General
The MT6301 is a 12-bit single supply successive approximation ADC. The architecture is a low-power
comparator with capacitive DAC including sample-and-hold function. The single supply ranges from 2.6V to
5.5V. The throughput rate could be up to 125kSPS with 2MHz clock.
There are two selected modes for the sources of positive and negative references of ADC. One is the
(宇陽single-ended reference mode. In this mode, the references are from Vref pin and GND pin. The other is
differential reference mode. In this mode, the references are sampled from X+/X- or Y+/Y- depending on
register settings, and the ADC performs ratio-metric conversion which avoids frequently system calibration
that happened in single-ended reference mode. With the proprietary power-saving technique, the ON time
of the driver switches are the same in the both mode. Thus saving the power dissipation greatly when
operates in differential reference mode.
The 2 auxiliary inputs facilitate system applications and saving the system cost. It could only be single-
ended reference mode when either of the 2 auxiliary inputs is selected.
The pen interrupt function clearly indicates the touch/un-touch status of the screen. It is a continuous
function with no ambiguity that facilitates the software programming. The /PENIRQ output is free from the
discrete pull-up resistor.
The register settings are accomplished by the serial data interface, and also the outputting of the
conversion result.
Figure.1 shows the block diagram of MT6301.
聯發機密不得洩漏Vdd Vref
PENIRQ
PEN
INTERRUPT
MTKX+
X-
CONFS/H IDENTIAL
Y+
Y- +REF
NO DISCLOSURE4-channel
Multiplexer
CONVERTER
-REF
IN3
IN4
S/H
宇陽)DIGITAL INTERFACE
Vdd GND
CS
DCLK
DIN
BUSY
Figure 1 MT6301 Block Diagram
DOUT
Confidential Information
Revision 1.1 – Feb. 21, 2006
© 2006 MediaTek Inc.
5 / 17
The information contained in this document cannot be distributed or reproduced without the prior written permission of MediaTek Inc.
Free Datasheet http://www.datasheetlist.com/
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