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參數(shù)資料
| 型號(hào)： | MAX1233 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 【15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller |
| 中文描述： | ±15kV ESD保護(hù)觸摸屏控制器，包含DAC及鍵盤控制器 |
| 文件頁(yè)數(shù)： | 20/44頁(yè) |
| 文件大?。?/td> | 706K |
| 代理商： | MAX1233 |
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M
±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
20
______________________________________________________________________________________
In order to read the entire first page of memory, for
example, the host processor must send the
MAX1233/MAX1234 the command 0x8000
H
. The
MAX1233/MAX1234 then begin clocking out 16-bit data
starting with the X-data register. In order to write to the
second page of memory, the host processor sends the
MAX1233/MAX1234 the command 0x0040
H
. The suc-
ceeding data is then written in 16-bit words beginning
with the ADC control register.
Figures 10a and 10b
show
a complete write and read operation, respectively,
between the processor and the MAX1233/MAX1234.
Memory Map
The MAX1233/MAX1234s
’
internal memory is divided
into two pages
—
one for data and one for control, each
of which contains thirty-two 16-bit registers.
Control Registers
Table 3
provides a summary of all registers and bit
locations of the MAX1233/MAX1234.
ADC Control Register
The ADC measures touch position, touch pressure, bat-
tery voltage, auxiliary analog inputs, and temperature.
The ADC control register determines which input is
selected and converted.
Tables 4
and
5
show the for-
mat and bit descriptions for the ADC control register.
DIN
DOUT
SCLK
D15
D15 IS READ/WRITE BIT
LOW FOR WRITE
D15–D0 COMMAND WORD
TIMING NOT TO SCALE.
D0
D15
D0
D15–D0 DATA WORD
THREE-
STATE
CS
WRITE OPERATION
THREE-
STATE
Figure 10a. Timing Diagram of Write Operation
SCLK
THREE-STATE
D15
D14
D15
–
D0 COMMAND
WORD
D0
THREE-STATE
D0
D15
DOUT
DIN
D0
D15
DATA WORD
DATA WORD
CS
READ OPERATION
Figure 10b. Timing Diagram of Read Operation
BIT15
PENSTS
BIT14
ADSTS
BIT13 BIT12 BIT11
A/D3
A/D2
BIT10
A/D0
BIT9
RES1
BIT8
RES0
BIT7
AVG1
BIT6
AVG0
BIT5
CNR1
BIT4
CNR0
BIT3
ST2
BIT2
ST1
BIT1
ST0
BIT0
RFV
A/D1
Table 4. ADC Control Register
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1233EGI | 【15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller |
| MAX1234EGI | 【15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller |
| MAX1239 | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
| MAX1239LEEE | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
| MAX1239MEEE | Circular Connector; No. of Contacts:128; Series:D38999; Body Material:Metal; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:25-35 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1233EGI | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 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 |
| MAX1233EGI+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX1233EGI-T | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 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 |
| MAX1233ETI+ | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4Ch uWire QSPI/SPI Touch Interface 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 |
| MAX1233ETI+T | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4Ch uWire QSPI/SPI Touch Interface 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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