參數(shù)資料
型號(hào)： MAX11800TEVS+
廠商： Maxim Integrated Products
文件頁數(shù)： 37/59頁
文件大?。?/td> 0K
描述： KIT EVAL TOUCH SCREEN
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： 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(gè)板，線纜，CD
MAX11800–MAX11803
master-generated 9th clock pulse if the previous byte is
successfully received. Monitoring ACK allows for detec-
tion of unsuccessful data transfers. An unsuccessful
data transfer occurs if a receiving device is busy or if a
system fault has occurred. In the event of an unsuc-
cessful data transfer, the bus master retries communica-
tion. The master pulls down SDA during the 9th clock
cycle to acknowledge receipt of data when the
MAX11801/MAX11803 are in read mode. An acknowl-
edge is sent by the master after each read byte to allow
data transfer to continue. A not-acknowledge is sent
when the master reads the final byte of data from the
MAX11801/MAX11803, followed by a STOP condition.
Write Data Format
A minimum write sequence to the MAX11801/
MAX11803 includes transmission of a START condition,
the slave address with the R/W bit set to 0, 1 byte of
data to select the internal register address pointer, 1
byte of data written to the selected register, and a
STOP condition. Figure 25 illustrates the proper frame
format for writing 1 byte of data to the MAX11801/
MAX11803. Figure 26 illustrates the frame format for
writing N-bytes of data to the MAX11801/MAX11803.
The slave address with the R/W bit set to 0 indicates
that the master intends to write data to the
MAX11801/MAX11803. The MAX11801/MAX11803
acknowledge receipt of the address byte during the
master-generated 9th SCL pulse.
The second byte transmitted from the master config-
ures the MAX11801/MAX11803’s internal register
address pointer. The pointer tells the MAX11801/
MAX11803 where to write the next byte of data. Note
that the MAX11801/MAX11803 use a 7-bit register
pointer format, and the selection should be left-justified
within the register byte (the last bit in the register byte is
a don’t care). An acknowledge pulse is sent by the
MAX11801/MAX11803 upon receipt of the address
pointer data.
The third byte sent to the MAX11801/MAX11803 contains
the data that is written to the chosen register. An
acknowledge pulse from the MAX11801/MAX11803 sig-
nals receipt of the data byte. The MAX11801/
MAX11803 do not support autoincrement in write
mode. However, by repeating multiple register address
byte + data byte pairs (bytes 2 and 3 in Figure 25) the
user can perform multiple register writes within a single
transfer. There is no limit as to how many registers
the user can write with a single command sequence,
but only commands listed as “pairable” can be
sequenced in this manner. For example, the I2C master
can perform multiple register writes to set up all required
conversion options and then issue a separate I2C com-
mand to start a conversion process. Figure 26 illustrates
how to write to multiple registers with one frame. The
master signals the end of transmission by issuing a
STOP condition. Register addresses greater than 0x0B
are reserved. Do not write to these addresses.
Low-Power, Ultra-Small Resistive Touch-Screen
Controllers with I2C/SPI Interface
42
______________________________________________________________________________________
START
WRITE ADDRESS
BYTE 1: DEVICE ADDRESS
WRITE REGISTER NUMBER
BYTE 2: REG NUMBER = N
WRITE DATA
BYTE 3: REG(N)[7:0] DATA
STOP
W
N3 N2 N1 N0
X
D
N4
1
0
1
0
A1 A0
N5
N6
Z
X
D
Z
WRITE DATA
BYTE 5: REG(Z)[7:0] DATA
WRITE REGISTER NUMBER
BYTE 4: REG NUMBER = Z
SDA
SCL
A
AA
A
ACKNOWLEDGE GENERATED BY I2C MASTER
ACKNOWLEDGE GENERATED BY MAX11801/MAX11803
Figure 26. I2C Multiple Write Sequence
SCL
W
N3 N2 N1 N0
X
D
START
SDA
WRITE ADDRESS
BYTE 1: DEVICE ADDRESS
WRITE REGISTER NUMBER
BYTE 2: FIRST REG NUMBER = N
WRITE DATA
BYTE 3: REG(N)[7:0] DATA
STOP
N4
1
0
1
0
A1
A0
N5
N6
AA
A
ACKNOWLEDGE GENERATED BY I2C MASTER
ACKNOWLEDGE GENERATED BY MAX11801/MAX11803
Figure 25. I2C Single Write Sequence
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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(chǎn)品:4Display Shields 工具用于評(píng)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(zhuǎn)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(shù)據(jù)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(zhuǎn)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(shù)據(jù)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(zhuǎn)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(shù)據(jù)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(zhuǎn)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(shù)據(jù)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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