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CAP1114 датащи(PDF) 92 Page - Microchip Technology

номер детали CAP1114
подробное описание детали  Multiple Channel Capacitive Touch Sensor and LED Driver
PDF  102 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

CAP1114 датащи(HTML) 92 Page - Microchip Technology

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Multiple Channel Capacitive Touch Sensor and LED Driver
Datasheet
Revision 1.1 (02-04-11)
92
SMSC CAP1114
DATASHEET
APPLICATION NOTE:
If a non-zero fall time is desired, the rise rate must be set to be equal to the desired fall rate.
This should be done as a register write after the LED has been actuated and before it is
unactuated.
Bits 2 - 0 - FALL_RATE[2:0] - Determines the falling edge time of an LED when it transitions from its
maximum drive state to its minimum drive state as shown in Table 6.79.
6.55
LED Off Delay Register
The LED Off Delay Register determines the amount of time an LED in Direct behavior mode remains
active after it is no longer actuated (such as after a release has been detected or the drive state has
been changed).
Bits 2 - 0 - DIR_OFF_DLY[2:0] - Determines the turn-off delay, as shown in Table 6.81, for all LEDs
that are configured to operate in Direct behavior mode.
Table 6.79 Rise / Fall Rate Cycle Decode
RISE/FALL_RATE [2:0]
RISE / FALL TIME (TRISE / TFALL)
21
0
00
0
0
0
0
1
250ms
0
1
0
500ms
0
1
1
750ms
10
0
1s
10
1
1.25s
11
0
1.5s
11
1
2s
Table 6.80 LED Off Delay Register
ADDR
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
95h
R/W
LED Off Delay
Register
-
-
-
-
-
DIR_OFF_DLY [2:0]
00h
Table 6.81 Off Delay Settings
DIR_OFF_DLY [2:0
OFF DELAY
TOFF_DLY
21
0
00
0
0
00
1
0.5s
01
0
1.0s
01
1
1.5s



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