BU21023GUL_16 Datasheet, PDF (17/21 Pages) Rohm – Resistive Type Touch Screen Controller ICs

BU21023GUL BU21023MUV BU21024FV-M
Revision History
Date
07.Oct.2013
07.Feb.2014
17.Mar.2014
7.June.2016
Revision
001
002
003
004
Changes
New Release
Remove the description of BU21024FV-M
Added 3D package image
Change description p10 from “other document” to “application note”.
P1 fix miss description Features
(old) I²C
(new) 2-wire serial
P1 fix miss description Key Specifications and Lineup
(old) Pakage
(new) Package
P3 Add the description of the thermal PAD connection.
P5 fix miss description
(old) 2-wire I²C
(new) 2-wire serial
P6 fix miss description PCB(1 layer)
(old) 70x70x1.6mm³
(new) 74.2x74.2x1.6t mm.
P8 Add condition description
(new) Condition : VDD = 3.0V Ta=25°C
P9 Add condition description
(new) Condition : VDD = 3.0V Ta=25°C
P10 fix miss description
(old) For example, a 3”x5” screen used
(new) For example, a 3.5 inch x 5 inch screen used
P10 fix miss description
(old) I²C
(new) 2-wire serial
P11 Application Examples
Example 1: BU21023GUL/MUV Application Circuit (4-wireSPI)
Add 1uF (VDD-VSS) as bypass capacitor.
Change the circuit symbol of TVS diode.
Add annotations.
Example 2: BU21023GUL/MUV Application Circuit (2-wire Serial bus)
Add 1uF (VDD-VSS) as bypass capacitor.
Change the circuit symbol of TVS diode.
Add annotations.
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TSZ22111・15・001
17/17
TSZ02201-0L5L0F300840-1-2
7.June.2016 Rev.004