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AD7148
Rev. A | Page 37 of 56
Table 19. AMB_COMP_CTRL0 Register
Address
Data Bit
Default
Value
Type
Mnemonic
Description
0x002
[3:0]
0
R/W
FF_SKIP_CNT
Fast filter skip control (N+1)
0000 = no sequence of results is skipped
0001 = one sequence of results is skipped for every
one allowed into fast FIFO
0010 = two sequences of results are skipped for every
one allowed into fast FIFO
1011 = maximum value = 8 sequences of results are
skipped for every one allowed into fast FIFO
[7:4]
F
R/W
FP_PROXIMITY_CNT
Calibration disable period in full power mode =
FP_PROXIMITY_CNT × 16 × time taken for one
conversion sequence in full power mode
[11:8]
F
R/W
LP_PROXIMITY_CNT
Calibration disable period in low power mode =
LP_PROXIMITY_CNT × 4 × time taken for one
conversion sequence in low power mode
[13:12]
0
R/W
PWR_DOWN_TIMEOUT
Full power to low power mode time out control
00 = 1.25 × (FP_PROXIMITY_CNT)
01 = 1.50 × (FP_PROXIMITY_CNT)
10 = 1.75 × (FP_PROXIMITY_CNT)
11 = 2.00 × (FP_PROXIMITY_CNT)
[14]
0
R/W
FORCED_CAL
Forced calibration control
0 = normal operation
1 = forces all conversion stages to recalibrate
[15]
0
R/W
CONV_RESET
Conversion reset control (self-clearing)
0 = normal operation
1 = resets the conversion sequence back to STAGE0.
Table 20. AMB_COMP_CTRL1 Register
Address
Data Bit
Default
Value
Type
Mnemonic
Description
0x003
[7:0]
64
R/W
PROXIMITY_RECAL_LVL
Proximity recalibration level; value is multiplied by 16 to
get actual recalibration level
[13:8]
1
R/W
PROXIMITY_DETECTION_RATE
Proximity detection rate; value is multiplied by 16 to get
actual detection rate
[15:14]
0
R/W
SLOW_FILTER_UPDATE_LVL
Slow filter update level
Table 21. AMB_COMP_CTRL2 Register
Address
Data Bit
Default
Value
Type
Mnemonic
Description
0x004
[9:0]
3FF
R/W
FP_PROXIMITY_RECAL
Full power mode proximity recalibration time control
[15:10]
3F
R/W
LP_PROXIMITY_RECAL
Low power mode proximity recalibration time control
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| AD7151 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultra-Low Power, 1-Channel, Capacitance Converter for Proximity Sensing |
| AD7151BRMZ | 功能描述:IC CAP CONV 1CH ULT LP 10MSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 傳感器和探測器接口 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數(shù)字 輸出類型:數(shù)字 接口:JTAG，串行 電流 - 電源:100µA 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 |
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