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參數資料
| 型號： | MAX11800TEVS+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 35/59頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT EVAL TOUCH SCREEN |
| 其它有關文件： | Automotive Product Guide |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 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： | 2 個板，線纜，CD |
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MAX11800–MAX11803
Low-Power, Ultra-Small Resistive Touch-Screen
Controllers with I2C/SPI Interface
40
______________________________________________________________________________________
SPI Conversion Command (MAX11800/MAX11802)
The sequence in Figures 20 and 21 shows the required
command format for issuing conversion requests. A
conversion request cannot be paired with multiple com-
mands or instructions. Any conversion command
issued while previous commands are being executed is
ignored.
I2C-Supported Sequence
(MAX11801/MAX11803)
The MAX11801/MAX11803 feature an I2C/SMBus-
compatible, 2-wire serial interface consisting of a serial-
data line (SDA) and a serial-clock line (SCL). SDA and
SCL
facilitate
communication
between
the
MAX11801/MAX11803 and the master at clock rates up
to 400kHz. Figure 22 shows the 2-wire interface timing
diagram. The master generates SCL and initiates data
transfer on the bus.
The master device writes data to the MAX11801/
MAX11803 by transmitting the proper slave address fol-
lowed by the register address and then the data word.
Each transmit sequence is framed by a START (S) or
repeated START (Sr) condition and a STOP (P) condi-
tion. Each word transmitted to the MAX11801/
MAX11803 is 8 bits long and is followed by an acknowl-
edge clock pulse.
A master reading data from the MAX11801/MAX11803
transmits the proper slave address followed by a series
of nine SCL pulses. The MAX11801/MAX11803 trans-
mits data on SDA in sync with the master-generated
SCL pulses. The master acknowledges receipt of each
byte of data. Each read sequence is framed by a
START (S) or repeated START (Sr) condition, a not-
acknowledge, and a STOP (P) condition. SDA operates
as both an input and an open-drain output.
A pullup resistor, typically greater than 500
Ω, is
required on SDA. SCL operates only as an input. A
pullup resistor, typically greater than 500
Ω, is required
on SCL if there are multiple masters on the bus, or if the
single master has an open-drain SCL output. Series
resistors in line with SDA and SCL are optional. Series
resistors
protect
the
digital
inputs
of
the
MAX11801/MAX11803 from high-voltage spikes on the
bus lines and minimize crosstalk and undershoot of the
bus signals.
Bit Transfer
One data bit is transferred during each SCL cycle. The
data on SDA must remain stable during the high period
of the SCL pulse. Changes in SDA while SCL is high
are control signals (see the
START and STOP
Conditions section).
START and STOP Conditions
SDA and SCL idle high when the bus is not in use. A
master initiates communication by issuing a START
condition. A START condition is a high-to-low transition
CS
SCLK
DIN
1234
5678
A6
A5
A4
A3
A2
A1
W
A0
Figure 21. SPI Conversion Command—MAX11800/MAX11802
CS
SCLK
DIN
Ai[6:0]
1
9
17
25
32
724
16
DOUT
8
S
Di[7:0]
Di+1[7:0]
Di+2[7:0]
Figure 20. SPI Multiple-Byte Register Read Sequence—MAX11800/MAX11802
SMBus is a trademark of Intel Corp.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX11800TEVS+ | 功能描述:顯示開發工具 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 |
| MAX11801ETC/V+ | 功能描述:觸摸屏轉換器和控制器 I2C 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 |
| MAX11801ETC/V+T | 功能描述:觸摸屏轉換器和控制器 I2C 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 |
| MAX11801ETC+ | 功能描述:觸摸屏轉換器和控制器 I2C 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 |
| MAX11801ETC+T | 功能描述:觸摸屏轉換器和控制器 I2C 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 |
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