參數(shù)資料
型號(hào)： MAX7456
廠(chǎng)商： Maxim Integrated Products, Inc.
英文描述： Single-Channel Monochrome On-Screen Display with Integrated EEPROM
中文描述： 集成了EEPROM的單通道、單色隨屏顯示器
文件頁(yè)數(shù)： 29/43頁(yè)
文件大?。?/td> 604K
代理商： MAX7456
M
Single-Channel Monochrome On-Screen
Display with Integrated EEPROM
______________________________________________________________________________________
29
Display Memory Mode Register (DMM) (continued)
BIT
DEFAULT
FUNCTION
2
0
Clear Display Memory
0 = Inactive
1 = Clear (fill all display memories with zeros)
Note:
This bit is automatically cleared after the operation is completed (the operation requires
20μs). The user does not need to write a 0 afterwards. The status of the bit can be checked by
reading this register.
This operation is automatically performed:
a) On power-up
b) Immediately following the rising edge of
RESET
c) Immediately following the rising edge of
CS
after VM0[1] has been set to 1
Vertical Sync Clear
Valid only when clear display memory = 1, (DMM[2] = 1)
0 = Immediately applies the clear display-memory command, DMM[2] = 1
1 = Applies the clear display-memory command, DMM[2] = 1, at the next
VSYNC
time
Auto-Increment Mode
Auto-increment mode increases the speed at which the display memory can be written by
automatically incrementing the character address for each successive character written. This mode
reduces the number of SPI commands, and thus the time needed to write a string of adjacent
characters. This mode is useful when writing strings of characters written from left-to-right, top-to-
bottom, on the display (see Table 5).
1
0
0
0
0 = Disabled
1 = Enabled
When this bit is enabled for the first time, data in the Display Memory Address (DMAH[0] and
DMAL[7:0]) registers are used as the starting location to which the data is written. When performing
the auto-increment write for the display memory, the 8-bit address is internally generated, and
therefore only 8-bit data is required by the SPI-compatible interface (Figure 21). The content is to
be interpreted as a Character Address byte if DMAH[1] = 0 or a Character Attribute byte if
DMAH[1] = 1. This mode is disabled by writing the escape character 1111 1111.
If the Clear Display Memory bit is set, this bit is reset internally.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX7456EUI/GH9 制造商:Maxim Integrated Products 功能描述:SINGLE-CHANNEL MONOCHROME ON-SCREEN DISPLAY - Rail/Tube
MAX7456EUI+ 功能描述:視頻 IC Monochrome On Scrn Display Generator RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
MAX7456EUI+T 功能描述:視頻 IC Monochrome On Scrn Display Generator RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
MAX7456EUI+W 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MAX7456EVKIT 功能描述:顯示開(kāi)發(fā)工具 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(lèi)型:Serial 工作電源電壓:5 V
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