參數(shù)資料
型號: CAP1028-1-BP-TR
廠商: STANDARD MICROSYSTEMS CORP
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, QCC20
封裝: 4 X 4 MM, ROHS COMPLAINT, QFN-20
文件頁數(shù): 20/69頁
文件大小: 948K
代理商: CAP1028-1-BP-TR
8 Channel Capacitive Touch Sensor with 2 LED Drivers
Datasheet
SMSC CAP1028
27
Revision 1.0 (06-16-09)
DATASHEET
4.1
Power States
The CAP1028 has three operating states depending on the status of the STBY and DSLEEP bits.
When the device transitions between power states, previously detected touches (for inactive channels)
are cleared and the status bits reset.
Figure 4.1 System Diagram for CAP1028
CAP1028
CS6
SM
DAT
A
/
B
C
_DAT
A
/
SP
I_
MS
IO
/SP
I_
M
ISO
SM
CLK
/
BC_
C
LK
/
S
P
I_
CL
K
Embedded Controller
VDD
ALE
R
T#
/
BC
_IR
Q
#
CS4
CS2
3.3V – 5V
CS5
CS3
CS1
W
AKE
/
SP
I_
M
O
SI
CS7
CS8
RE
SE
T
SP
I_C
S
#
ADDR_COMM
LED2
LED1
3.3V – 5V
Touch
Button
Touch
Button
Touch
Button
Touch
Button
Touch
Button
Touch
Button
Touch
Button
Touch
Button
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