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參數資料
| 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： | 37/73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
Revision 1.64 (01-15-09)
42
SMSC CAP1014
DATASHEET
5.13
Configuration Register
The Configuration register controls general global functionality that affects the entire device.
Bit 7 - TIMEOUT - Enables the timeout and idle functionality of the SMBus protocol.
‘0’ (default) - The SMBus timeout and idle functionality are disabled. The SMBus interface will not
time out if the clock line is held low. Likewise, it will not reset if both the data and clock lines are
held high for longer than 150us. This is used for I2C compliance.
‘1’ - The SMBus timeout and idle functionality are enabled. The SMBus interface will time out if the
clock line is held low for longer than 30ms. Likewise, it will reset if both the data and clock lines
are held high for longer than 150us.
Bit 6 - POS_VOL - Determines the behavior of the POS[6:0] status bits when a Grouped sensor is
activated - see Section 5.4.
‘0’ (default) - The POS[6:0] bits represent position information that indicates which sensor was
touched or the last sensor touched during a slide.
‘1’ - The POS[6:0] bits represent volumetric data. The Position / Volumetric Data register is read /
write.
Bit 5 - BLK_NOISE_TH - Determines whether the noise threshold is checked when determining
whether to discard samples.
Table 5.17 C_DSP Bit Decode
C_DSP[3:0]
DATA SCALING
FACTOR
32
1
0
00
0
1x
00
0
1
2x
00
1
0
4x
00
1
8x
01
0
16x
01
0
1
32x
01
1
0
64x
0
1
128x
1
0
256x
All others
256x
(default = 1111b)
Table 5.18 Configuration Register
ADDR
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
20h
R/W
Configuration
TIME
OUT
POS_
VOL
BLK
NOIS
E_TH
BLK_
NOISE
_DIS
MAX_
DUR_
EN_B
RPT_E
N_B
MAX_
DUR_
EN_G
RPT_
EN_G
2Dh
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