BU21072MUV Datasheet, PDF (10/17 Pages) Rohm – Capacitive Switch Controller ICs

BU21072MUV / BU21078MUV
VDD
VDD
VDD
VDD
Datasheet
21
22
SIN7
VDD
15
14
LED0
SIN6
INT
SIN13
SIN5
SIN14
BU21078
TOP VIEW
SDA
SCL
TEST
SIN4
SIN3
VSS
DVDD _1.0uF
28
1
8
7
VDD
HOST
(*1) Unused LED pin are OPEN.
Recommended DT number : DTC143ZE
Fig.16 Application example 2 (36-matrix switches, 4-LEDs with BU21078MUV)
VDD
VDD
VDD
VDD
VDD
VDD
18
19
SIN9
SIN8
SIN7
SIN6
SIN5
SIN4
24
1
BU21072
TOP VIEW
13
12
INT
SDA
SCL
TEST
VSS
DVDD 1.0uF
7
6
VDD
VDD
HOST
Recommended DT number : DTC143ZE
Fig.17 Application example 3 (16-matrix switches, 2-simple switches, 6-LEDs with BU21072MUV)
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TSZ22111・15・001
10/14
TSZ02201-0Y2Y0FZ00020-1-2
12.Mar.2012 Rev.001