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BU21078MUV Arkusz danych(PDF) 6 Page - Rohm

Numer części BU21078MUV
Szczegółowy opis  Capacitive Switch Controller ICs
Download  17 Pages
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Producent  ROHM [Rohm]
Strona internetowa  http://www.rohm.com
Logo ROHM - Rohm

BU21078MUV Arkusz danych(HTML) 6 Page - Rohm

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Datasheet
Datasheet
BU21072MUV / BU21078MUV
TSZ02201-0Y2Y0FZ00020-1-2
© 2012 ROHM Co., Ltd. All rights reserved.
12.Mar.2012 Rev.001
www.rohm.com
TSZ22111・15・001
Timing Charts
●Host interface
2-wire serial bus.
Compatible with I2C protocol.
Supports slave mode only.
Slave Address = 0x5C (BU21072MUV)
Slave Address = 0x5D (BU21078MUV)
Supports Standard-mode (data transfer rate of 100 kbit/s) and Fast-mode (data transfer rate of 400 kbit/s).
Supports sequential read.
START
SDA
SCL
STOP
Address
R/W
ACK
ACK
ACK
Data
Data
Standard-mode
Fast-mode
Parameter
Symbol
MIN
MAX
MIN
MAX
Unit
Hold time (repeated) START condition
fSCL
0
100
0
400
kHz
LOW period of the SCL clock
tHD;STA
4.0
-
0.6
-
usec
HIGH period of the SCL clock
tLOW
4.7
-
1.3
-
usec
Data hold time
tHIGH
4.0
-
0.6
-
usec
Data set-up time
tHD;DAT
0.1
3.45
0.1
0.9
usec
Set-up time for a repeated START condition
tSU;DAT
0.25
-
0.1
-
usec
Set-up time for STOP condition
tSU;STA
4.7
-
0.6
-
usec
Bus free time between a STOP and START condition
tSU;STO
4.0
-
0.6
-
usec
Hold time (repeated) START condition
tBUF
4.7
-
1.3
-
usec
Fig.9 2-wire serial bus timing chart
Fig.8 2-wire serial bus data format
SDA
SCL
START
Address
ACK
Data
Data
ACK
STOP
NACK
/ ACK
R/W


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