BU21028FV-M Datasheet, PDF (32/36 Pages) Rohm – 4-wire Resistive Touch Screen Controller

BU21028FV-M
Revision History
Date
13.Jan.2016
27.May.2016
Revision
001
002
Changes
New Release
Fix miss description.
P5. Absolute Maximum Ratings (Ta=25℃) -> Absolute Maximum Ratings
P5. Thermal Resistance
2 Internal Layers Copper Pattern : 74.2mm2 (Square) -> 74.2mm x 74.2mm
Bottom Copper Pattern
: 74.2mm2 (Square) -> 74.2mm x 74.2mm
In table : TO252-J5/TO252-3 -> SSOP-B20
P6. (old) Operating temperature Symbol Topr
(new) Operating temperature Symbol Tj
P6. (old) Unless otherwise specified Ta=25℃, VDD=VDDP=3.00V, GND=0.00V
(new) Unless otherwise specified Tj=25℃, VDD=VDDP=3.00V, GND=0.00V
P7. (old) Ta=25℃, VDD=VDDP=3.00V, GND=0.00V, unless otherwise noted
(new) Tj=25℃, VDD=VDDP=3.00V, GND=0.00V, unless otherwise noted
P10.RegisterMap PAGE=0, ADDR=0Ch
(old)[6:4]=PVDDLDO_OUT, [2:0]=DVDDLDO_OUT
(new)[6:4]=RSV1, [2:0]= RSV1
P12. (old) Ta=25℃, VDD=VDDP=3.00V, GND=0.00V, unless otherwise noted
(new) Tj=25℃, VDD=VDDP=3.00V, GND=0.00V, unless otherwise noted
P25.Register Description PAGE=0, ADDR=0Ch
Change to RSV1. Changed comment of setting(below).
(old)
[6:4]=PVDDLDO_OUT, [2:0]=DVDDLDO_OUT
Please set same value to PVDDLDO_OUT and DVDDLDO_OUT.
(new)
[6]=RSV1, [5:4]=RSV0, [2]= RSV1, [1:0]= RSV0
Please set 44h at initialize register in the power on sequence flow chart.
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TSZ02201-0L5L0F300720-1-2
27.May.2016 Rev.002