參數(shù)資料
型號: EVAL-AD7156EBZ
廠商: Analog Devices Inc
文件頁數(shù): 7/28頁
文件大小: 0K
描述: BOARD EVAL FOR AD7156
標準包裝: 1
傳感器類型: 觸摸,電容式
接口: I²C
電源電壓: 1.8 V ~ 3.6 V
嵌入式:
已供物品: 板,CD
已用 IC / 零件: AD7156
AD7156
Rev. 0 | Page 15 of 28
REGISTER DESCRIPTIONS
Table 5. Register Summary1
Register
Addr Pointer
R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Dec
Hex
Status
0
0x00
R
PwrDown
DacStep2
OUT2
DacStep1
OUT1
C1/C2
RDY2
RDY1
(0)
(1)
(0)
(1)
(0)
(1)
Ch 1 Data High
1
0x01
R
0x00
Ch 1 Data Low
2
0x02
R
0x00
Ch 2 Data High
3
0x03
R
0x00
Ch 2 Data Low
4
0x04
R
0x00
Ch 1 Average High
5
0x05
R
0x00
Ch 1 Average Low
6
0x06
R
0x00
Ch 2 Average High
7
0x07
R
0x00
Ch 2 Average Low
8
0x08
R
0x00
Ch 1 Sensitivity/
Ch 1 Threshold High
9
0x09
R/W
Ch 1 sensitivity (in adaptive threshold mode)/Ch 1 threshold high byte (in fixed threshold mode)
0x08
Ch 1 Timeout/
Ch 1 Threshold Low
10
0x0A
R/W
Ch 1 timeout (in adaptive threshold mode)/CH 1threshold low byte (in fixed threshold mode)
0x86
Ch 1 Setup
11
0x0B
R/W
RngH1
RngL1
Hyst1
ThrSettling1 (4-bit value)
(0)
(0x0B)
Ch 2 Sensitivity/
Ch 2 Threshold High
12
0x0C
R/W
Ch 2 sensitivity (in adaptive threshold mode)/Ch 2 threshold high byte (in fixed threshold mode)
0x08
Ch 2 Timeout/
Ch 2 Threshold Low
13
0x0D
R/W
Ch 2 timeout (in adaptive threshold mode)/Ch 2 threshold low byte (in fixed threshold mode)
0x86
Ch 2 Setup
14
0x0E
R/W
RngH2
RngL2
Hyst2
ThrSettling2 (4-bit value)
(0)
(0x0B)
Configuration
15
0x0F
R/W
ThrFixed
ThrMD1
ThrMD0
EnCh1
EnCh2
MD2
MD1
MD0
(0)
(1)
(0)
(1)
Power-Down Timer
16
0x10
R/W
Power-down timeout (6-bit value)
(0)
(1)
(0x00)
Ch 1 CAPDAC
17
0x11
R/W
DacEn1
DacAuto1
DacValue1 (6-bit value)
(1)
(0x00)
Ch 2 CAPDAC
18
0x12
R/W
DacEn2
DacAuto2
DacValue2 (6-bit value)
(1)
(0x00)
Serial Number 3
19
0x13
R
Serial number—Byte 3 (MSB)
Serial Number 2
20
0x14
R
Serial number—Byte 2
Serial Number 1
21
0x15
R
Serial number—Byte 1
Serial Number 0
22
0x16
R
Serial number—Byte 0 (LSB)
Chip ID
23
0x17
R
Chip identification code
1 The default values are given in parentheses.
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