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BU21072MUV_16 Datasheet, PDF (36/40 Pages) Rohm – Capacitive Switch Controller ICs
BU21072MUV / BU21078MUV / BU21078FV
Revised history
Date
12.Mar.2012
22.Mar.2013
Revision
001
002
20.Aug.2015 003
14.Jul.2016 004
New Release
Add register map
Changes
Change VDD spec :
(old) 3.0 to 3.6V
(new) 3.0 to 5.5V
Add BU21078FV sepcification
P4 Figure 8. Block Diagram
Correct wiring error to the block PoR.
P6 Correct clerical errors
Some register‟s name and some bit‟s name on Register Map.
P10 Correct clerical error
(old) These value are assigned to each sensor by register GA_SIN included
ON_SIN.
(new) These value are assigned to each sensor by register ON_SIN included
CFG_SIN.
P13 Correct clerical error
(old) Figure 8. PWM waveform
(new) Figure 9. PWM waveform
P19 Correct clerical error
(old) Figure 9. 2-wire serial bus data format
(new) Figure 10. 2-wire serial bus data format
P19 Correct clerical error
(old) Figure 10. 2-wire serial bus timing chart
(new) Figure 11. 2-wire serial bus timing chart
P19 Correct clerical errors
All parameter names on the table of 2-wire bus specification.
P20 Add figure number
Figure 12. 2-wire serial bus protocol
P21 Correct clerical error on Figure 16.
(old) LED0-6
(new) LED0-5
P27 Correct clerical error
(old) resister
(new) register
P32 Marking Diagrams
Add LOT Number on SSOP-B28
P36 Add Revised history
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14.Jul.2016 Rev.004