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參數(shù)資料
| 型號： | CAP1014-1-EZK |
| 廠商： | STANDARD MICROSYSTEMS CORP |
| 元件分類： | 模擬信號調理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, QCC32 |
| 封裝： | 5 X 5 MM, 0.50 MM PITCH, ROHS COMPLIANT, QFN-32 |
| 文件頁數(shù)： | 64/73頁 |
| 文件大?。?/td> | 945K |
| 代理商： | CAP1014-1-EZK |
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Multiple Channel Capacitive Touch Sensor and LED Driver
Datasheet
SMSC CAP1014
67
Revision 1.64 (01-15-09)
DATASHEET
The LED Pulse and Breathe Duty Cycle registers determine the minimum and maximum duty cycle
settings used for the LED for each LED behavior. These settings affect the brightness of the LED when
it is fully off and fully on.
The LED driver duty cycle will ramp up from the minimum duty cycle (see Section 5.39) to the
maximum duty cycle and back down again.
APPLICATION NOTE: Changes to the Duty Cycle settings will be applied immediately. When the respective register
is written, the LED output will be reset to the minimum (or maximum) setting and restarted
at the updated settings.
APPLICATION NOTE: Upon power on reset (or upon release of the RESET pin), the first breath will breathe from
100% (or 0% duty cycle as determined by the polarity registers) to the programmed minimum
(or maximum as determined by the polarity registers) and then proceed normally.
Bits 7 - 4 - LED_X_MAX_DUTY[3:0] - Determines the maximum PWM duty cycle for the LED drivers
as shown in Table 5.58
Bits 3 - 0 - LED_X_MIN_DUTY[3:0] - Determines the minimum PWM duty cycle for the LED drivers
as shown in Table 5.58.
Table 5.58 LED Duty Cycle Decode
LED_X_MAX/MIN_DUTY [3:0]
DUTY CYCLE
32
1
0
00
0
0%
00
0
1
12.5%
0
1
0
18.75%
01
1
25.0%
0
1
0
31.25%
01
0
1
37.5%
0
1
0
43.75%
01
1
50.0%
1
0
56.25%
10
0
1
62.5%
1
0
1
0
68.75%
10
1
75.0%
1
0
81.25%
11
0
1
87.5%
1
0
93.75%
1
100%
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CAP1014-1-EZK-TR | 制造商:SMSC 制造商全稱:SMSC 功能描述:Multiple Channel Capacitive Touch Sensor and LED Driver |
| CAP1014-2-EZK-TR | 制造商:SMSC 制造商全稱:SMSC 功能描述:Multiple Channel Capacitive Touch Sensor and LED Driver |
| CAP1026 | 制造商:SMSC 制造商全稱:SMSC 功能描述:6 Channel Capacitive Touch Sensor with 2 LED Drivers |
| CAP1026-1-AP-TR | 制造商:SMSC 制造商全稱:SMSC 功能描述:6 Channel Capacitive Touch Sensor with 2 LED Drivers |
| CAP1028 | 制造商:SMSC 制造商全稱:SMSC 功能描述:8 Channel Capacitive Touch Sensor with 2 LED Drivers |
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