參數(shù)資料
型號： CAP1014-1-EZK
廠商： STANDARD MICROSYSTEMS CORP
元件分類： 模擬信號調(diào)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)： 42/73頁
文件大?。?/td> 945K
代理商： CAP1014-1-EZK
Multiple Channel Capacitive Touch Sensor and LED Driver
Datasheet
SMSC CAP1014
47
Revision 1.64 (01-15-09)
DATASHEET
The Group Configuration 2 register controls timings associated with the Capacitive Sensor channels 8
- 14 that are included in the group.
Bits 7 - 4 - MAX_DUR_G [3:0] - (default 1101b) - Determines the maximum time that a button is
allowed to be pressed until the Capacitive Touch sensor is recalibrated as shown in Table 5.21.
Bits 3 - 0 - RPT_RATE_SL[3:0] - (default 0100b) Determines the time duration between interrupt
assertions when auto repeat is enabled. This setting applies when a slide is detected on the Grouped
Sensors and acts as the base repeat rate that is adjusted based on the slide speed (see Section 4.5.3).
The resolution is 35ms the range is from 35ms to 560ms as shown in Table 5.22.
5.18
Calibration Enable Registers
The Calibration Enable registers control whether the indicated Capacitive Touch Sensor input is
automatically re-calibrated. If a sensor is not enabled then the corresponding calibration enable bit is
ignored.
Bit 7- G_CEN - Enables all sensors in the group to be re-calibrated simultaneously.
‘0’ - None of the grouped channels are automatically re-calibrated. They can be re-calibrated
manually by setting the G_CAL bit.
‘1’ (default) - All of the grouped channels are automatically re-calibrated as the CAP1014 samples.
Bit 6 - S7_CEN - Enables the CS7 input to be re-calibrated automatically.
‘0’ - The CS7 input is not automatically re-calibrated.
‘1’ (default) - The CS7 input is automatically re-calibrated as the CAP1014 samples.
Bit 5 - S6_CEN - Enables the CS6 input to be re-calibrated automatically.
Bit 4 - S5_CEN - Enables the CS5 input to be re-calibrated automatically.
Bit 3 - S4_CEN - Enables the CS4 input to be re-calibrated automatically.
Bit 2 - S3_CEN - Enables the CS3 input to be re-calibrated automatically.
Bit 1 - S2_CEN - Enables the CS2 input to be re-calibrated automatically.
Bit 0 - S1_CEN - Enables the CS1 input to be re-calibrated automatically.
5.19
Calibration Activate Registers
The Calibration Activate register force the respective sensors to be re-calibrated. When a bit is set,
the corresponding Capacitive Touch Sensor will be re-calibrated and the bit will be automatically
Table 5.25 Calibration Enable Registers
ADDR
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
25h
R/W
Calibration
Enable
G_CE
N
S7_CE
N
S6_C
EN
S5_C
EN
S4_C
En
S3_C
EN
S2_C
EN
S1_C
EN
FFh
Table 5.26 Calibration Activate Registers
ADDR
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
26h
R/W
Calibration
Activate
G_CA
L
S7_CA
L
S6_C
AL
S5_C
AL
S4_C
AL
S3_C
AL
S2_C
AL
S1_C
AL
00h
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