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BU21024FV-E2 数据表(PDF) 11 Page - Rohm

部件名 BU21024FV-E2
功能描述  Resistive Type Touch Screen Controller ICs
Download  20 Pages
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制造商  ROHM [Rohm]
网页  http://www.rohm.com
标志 ROHM - Rohm

BU21024FV-E2 数据表(HTML) 11 Page - Rohm

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BU21023GUL
BU21023MUV
BU21024FV-M
11/16
Datasheet
Datasheet
TSZ02201-0L5L0F300190-1-2
© 2014 ROHM Co., Ltd. All rights reserved.
31.Mar.2014 Rev.003
www.rohm.com
TSZ22111・15・001
BU21024FV-M
BU21024FV-M has monitor terminals(XPM, YPM, XNM, YNM) another interface terminals(XP, YP, XN, YN). The monitor
terminals are used in touch screen voltage monitor that 4PORT(0x30[2]) set to “0”.
The monitor terminals open and 4PORT(0x30[2]) set to “1” If they are not being used.
The monitor terminals also helps in increasing the screen’s dynamic range by reducing error due to PCB wiring resistance.
BU21024FV-M
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
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19
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17
16
15
INT
SEL_CSB
SDA_SI
SCL_SCK
EDA
ECL
YNM
XNM
YPM
XPM
YN
XN
YP
XP
VSS
VDD
DVDD_EXT
DVDD
AVDD
T4
PVDD
SO
IFSEL
T3
T2
T1
CLK_EXT
RSTB
EEPROM
panel
VDD
10kohm
10kohm
VDD
VDD
(10kohm)
0.1uF
1.0uF
1.0uF
TVS diode
Host
VDD
10kohm
option(*1)
(*1) EEPROM interface PIN.In using case: 10kohm pull-up. no-use case: connect to GND.
(*2) For higher ESD protection.
(*3) For LCD-noise protection.
(*4) For RF-noise protection.
470pF
10 ohm
10 ohm
10 ohm
10 ohm
470pF
470pF
470pF
option(*4)
1.0uF
option(*2)
1nF
10 ohm
1nF
10 ohm
1nF
10 ohm
1nF
10 ohm
option(*3)
Example 5: BU21024FV-M Application Circuit (4-wireSPI, using monitor terminals)
BU21024FV-M
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5
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9
10
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12
13
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28
27
26
25
24
23
22
21
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19
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17
16
15
INT
SEL_CSB
SDA_SI
SCL_SCK
EDA
ECL
YNM
XNM
YPM
XPM
YN
XN
YP
XP
VSS
VDD
DVDD_EXT
DVDD
AVDD
T4
PVDD
SO
IFSEL
T3
T2
T1
CLK_EXT
RSTB
0.1uF
1.0uF
1.0uF
VDD
Host
(*1) EEPROM interface PIN.In using case: 10kohm pull-up. no-use case: connect to GND.
(*2) For higher ESD protection.
(*3) For LCD-noise protection.
(*4) For RF-noise protection.
(*5) Please connect to VDD when use as slave address = “BAh(7bit:5Dh+W/R bit)”.
1.0uF
VDD
IO VDD
10kohm
option(*5)
EEPROM
VDD
10kohm
10kohm
VDD
option(*1)
panel
TVS diode
470pF
10 ohm
10 ohm
10 ohm
10 ohm
470pF
470pF
470pF
option(*4)
option(*2)
1nF
10 ohm
1nF
10 ohm
1nF
10 ohm
1nF
10 ohm
option(*3)
Example 6: BU21024FV-M Application Circuit (2-wire Serial bus, using monitor terminals)


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