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BU21049GUL 데이터시트(PDF) 10 Page - Rohm

부품명 BU21049GUL
상세설명  4-wire Resistive Touch Screen Controller
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제조업체  ROHM [Rohm]
홈페이지  http://www.rohm.com
Logo ROHM - Rohm

BU21049GUL 데이터시트(HTML) 10 Page - Rohm

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BU21049GUL
TSZ02201-0Y1Y0F300010-1-2
© 2011 ROHM Co., Ltd. All rights reserved.
31.JAN.2012 Rev.001
www.rohm.co
TSZ22111・15・001
10/23
Datasheet
Datasheet
●Power supply and reset timing specification
The BU21049GUL will be in standby state, if the RSTB pin is low, and the host processor cannot communicate with the
BU21049GUL. If pass the time(defined by Tdelay) after the RSTB pin is set to high, the BU21049GUL will be in idle state
and comes to be able to perform communication with the host processor.
The RSTB pin is connectable with power supply by the power-on-reset circuit.
VDD
PVDD
RSTB
0V
Trise
Twait
Typ. 3.0V
0V
Toff
Tdelay
‘L’(Disable)
‘H’(Enable)
‘L’(Disable)
Enable
(Internal signal)
VDD*0.2
Typ. 3.0V
Power-on-reset AC timing characteristics (Ta=25℃, VDD=PVDD=3.00V, GND=0.00V, unless otherwise noted)
Rating
Parameter
Symbol
MIN
TYP
MAX
Unit
Condition
VDD rise time
Trise
0.01
-
10
ms
RSTB delay time
Tdelay
0
-
-
ms
Enable delay time
Twait
-
-
1
ms
VREF Cload=1.0uF
RSTB time
Toff
1
-
30
us
VREF Cload=1.0uF


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