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BU21180FS Datasheet(PDF) 4 Page - Rohm

Part # BU21180FS
Description  Capacitive Switch Controller IC
PDF  43 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BU21180FS Datasheet(HTML) 4 Page - Rohm

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© 2017 ROHM Co., Ltd. All rights reserved.
www.rohm.com
TSZ22111
• 15 • 001
BU21180FS
TSZ02201-0L5L0F300930-1-2
06.Aug.2018 Rev.002
Pin Description - continued
Pin
No.
Pin
Name
I/O
Type
Function
Power
Initial
Condition
(RSTB=L)
I/O Equivalent
Circuit
17
CS11
IN/OUT
Sensor pin(Note 3)
AVDD
HIZ
Figure 5
18
CS10
IN/OUT
Sensor pin(Note 3)
AVDD
HIZ
Figure 5
19
CS9
IN/OUT
Sensor pin(Note 3)
AVDD
HIZ
Figure 5
20
CS8
IN/OUT
Sensor pin(Note 3)
AVDD
HIZ
Figure 5
21
CS7
IN/OUT
Sensor pin(Note 3)
AVDD
HIZ
Figure 5
22
CS6
IN/OUT
Sensor pin(Note 3)
AVDD
HIZ
Figure 5
23
CS5
IN/OUT
Sensor pin(Note 3)
AVDD
HIZ
Figure 5
24
CS4
IN/OUT
Sensor pin(Note 3)
AVDD
HIZ
Figure 5
25
CS3
IN/OUT
Sensor pin(Note 3)
AVDD
HIZ
Figure 5
26
CS2
IN/OUT
Sensor pin(Note 3)
AVDD
HIZ
Figure 5
27
CS1
IN/OUT
Sensor pin(Note 3)
AVDD
HIZ
Figure 5
28
CS0
IN/OUT
Sensor pin(Note 3)
AVDD
HIZ
Figure 5
29
AVDD
OUT
LDO output pin for sensor block
-
0V
-
30
VDD
-
Power
-
-
-
31
NC
-
No Connect pin with pull-down resistor
This pin should be left as open circuit
-
-
-
32
DVDD
OUT
LDO output pin for digital block
-
1.5V
-
(Note 3) If not used, this pin must be left as an open circuit.
I/O Equivalent Circuit
AIN
ASW
PAD
I
OEN
AVDD
PAD
CIN
I
OEN
PAD
I
VDD
VDD
Figure 3. I/O Equivalent Circuit
Figure 4. I/O Equivalent Circuit
Figure 5. I/O Equivalent Circuit



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