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參數資料
| 型號： | MAX11800EVKIT+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 40/59頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT EVAL TOUCH SCREEN |
| 其它有關文件： | Automotive Product Guide |
| 標準包裝： | 1 |
| 主要目的： | 接口，觸摸屏控制器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | MAX11800 |
| 主要屬性： | 圖形用戶界面（GUI） |
| 次要屬性： | USB，SPI 接口 |
| 已供物品： | 板 |
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Direct Conversion Read Operations
All direct conversion commands automatically set the
readback target register, streamlining data gathering
operations. See the register map for specific details for
all such commands. For example, if the user writes a
command requesting an XY combined measurement,
the MAX11801/MAX11803 automatically set the default
readback register pointer to the XMSB location. Thus, if
the XY command is issued and allowed to complete, it
can then be followed directly by a streamlined read
sequence of the format, as shown in Figure 29, and
newly acquired data is read back, commencing with
the XMSB register.
Note that accepted direct conversion commands
always modify the current internal register location and
effectively override the resumed readback behaviors
and any register settings made in response to previous-
ly completed direct conversion commands. Users wish-
ing to override this behavior can use still use the
standard readback sequences of the format, as shown
in Figures 28 and 29.
Read Operations Following Write Operations
If the streamlined readback sequence is issued follow-
ing a configuration write operation, data readback com-
mences from the last written register location. Thus, if
the user modifies the contents of the Operating Mode
Configuration register (0x0B) using a write sequence
and then issues a streamlined readback sequence, the
contents of register 0x0B are provided.
Note that register write operations always modify the
current internal register location and effectively override
the resumed readback behaviors.
I2C Conversion and Measurement
Commands (MAX11801/MAX11803)
Figure 30 shows the required command format for
issuing conversion and measurement requests. A
request cannot be paired with multiple commands or
instructions. Any command issued while previous com-
mands are being executed is ignored and the read-
back target register is not modified.
Command and Register Map
The command map consists of the user-configuration reg-
isters (read/write), TSC data readback commands (read
only), and TSC panel setup and conversion commands
(write only).
User-Accessible Registers
There are six blocks of user-accessible registers and
commands that control all operations of the
MAX11800–MAX11803. The register blocks and com-
mands consist of the following:
1) Status and Configuration Registers: 00h to 0Bh
Sets modes of operation––ACM or DCM
Settings to accommodate various panel sizes
(panel time constant)
Averaging and noise settings
Measurement resolution
Auxiliary settings
General part status reporting
2) FIFO Data Readback Command: 50h
Autonomous conversion mode (MAX11800/
MAX11801)
Allows reading FIFO contents when operating in
ACM (MAX11800/MAX11801)
3) Data Readback Commands: 52h to 5Bh
Direct conversion mode (MAX11800/MAX11802)
Allows reading measurement results when in DCM
4) I2C Readback Registers: 52h to 58h
Direct conversion mode (MAX11801/MAX11803)
Allows reading measurement results when in DCM
MAX11800–MAX11803
Low-Power, Ultra-Small Resistive Touch-Screen
Controllers with I2C/SPI Interface
______________________________________________________________________________________
45
START
WRITE ADDRESS
BYTE 1: DEVICE ADDRESS
STOP
W
N3
N2
N1
N0
X
CONVERSION OR MEASUREMENT COMMAND
N4
1
0
1
0
A1
A0
N5
N6
SDA
SCL
A
Figure 30. I2C Conversion and Measurement Commands
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相關代理商/技術參數 |
參數描述 |
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| MAX11800EVKIT+ | 功能描述:顯示開發(fā)工具 MAX11800 Eval Kit RoHS:否 制造商:4D Systems 產品:4Display Shields 工具用于評估:?OLED-160-G1, ?OLED-160-G2 接口類型:Serial 工作電源電壓:5 V |
| MAX11800EWC+T | 功能描述:觸摸屏轉換器和控制器 SPI 4Ch Touch Screen Controller RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數據速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
| MAX11800GTC/V+ | 功能描述:觸摸屏轉換器和控制器 SPI 4Ch Touch Screen Controller RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數據速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
| MAX11800GTC/V+T | 功能描述:觸摸屏轉換器和控制器 SPI 4Ch Touch Screen Controller RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數據速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
| MAX11800TEVS+ | 功能描述:顯示開發(fā)工具 SPI 4Ch Touch Screen Controller RoHS:否 制造商:4D Systems 產品:4Display Shields 工具用于評估:?OLED-160-G1, ?OLED-160-G2 接口類型:Serial 工作電源電壓:5 V |
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