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參數(shù)資料
| 型號： | EVAL-AD7877EB |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Touch Screen Controller |
| 中文描述： | 觸摸屏控制器 |
| 文件頁數(shù)： | 39/44頁 |
| 文件大?。?/td> | 1002K |
| 代理商： | EVAL-AD7877EB |
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AD7877
Register Name: DAC Register
Write Address: 1110; Read Address: 01110; Default Value: 0x000.
Table 21.
Read/
Write
Description
0
RANGE
R/W
Output range of the DAC in voltage mode
0 = 0 to V
CC
/2
1 = 0 to V
CC
1
Not Used
R/W
This bit is not used.
2
V/I
R/W
Voltage output and current output
0 = Voltage
1 = Current
3
PD
R/W
DAC power-down
0 = DAC on
1 = DAC powered down
4
DAC0
LSB of DAC data
5
DAC1
Bit 1 of DAC data
6
DAC2
Bit 2 of DAC data
7
DAC3
Bit 3 of DAC data
8
DAC4
Bit 4 of DAC data
9
DAC5
Bit 5 of DAC data
10
DAC6
Bit 6 of DAC data
11
DAC7
MSB of DAC data
Rev. A | Page 39 of 44
Bit
Name
Register Name: Y Position
Write Address: N/A; Read Address: 10000; Default Value: 0x000; Type: Read Only.
This register contains the 12-bit result of the measurement at the X+ input with Y layer excited (Y position measurement).
Register Name: X Position
Write Address: N/A; Read Address: 10001; Default Value: 0x000; Type: Read Only.
This register contains the 12-bit result of the measurement at the Y+ input with X layer excited (X position measurement).
Register Name: Z2
Write Address: N/A; Read Address: 10010; Default Value: 0x000; Type: Read Only.
This register contains the 12-bit result of the measurement at the Y input with excitation voltage applied to Y+ and X (used for touch-
pressure calculation).
Register Name: AUX1
Write Address: N/A; Read Address: 10011; Default Value: 0x000; Type: Read Only.
This register continues the 12-bit result of the measurement at Auxiliary Input 1.
Register Name: AUX2
Write Address: N/A; Read Address: 10100; Default Value: 0x000; Type: Read Only.
This register continues the 12-bit result of the measurement at Auxiliary Input 2.
Register Name: AUX3
Write Address: N/A; Read Address: 10101; Default Value: 0x000; Type: Read Only.
This register continues the 12-bit result of the measurement at Auxiliary Input 3.
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| EVAL-AD7877EBZ | 功能描述:BOARD EVALUATION FOR AD7877 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 主要目的:電信，線路接口單元（LIU） 嵌入式:- 已用 IC / 零件:IDT82V2081 主要屬性:T1/J1/E1 LIU 次要屬性:- 已供物品:板，電源，線纜，CD 其它名稱:82EBV2081 |
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| EVAL-AD7887CB4 | 制造商:AD 制造商全稱:Analog Devices 功能描述:2.7 V to 5.25 V, Micropower, 2-Channel, 125 kSPS, 12-Bit ADC in 8-Lead MSOP |
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