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| 型号： | MAX7456EUI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 22/44页 |
| 文件大小： | 0K |
| 描述： | IC DISPLAY 1CH W/EEPROM 28TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | OSD（屏幕显示）视频发生器 |
| 应用： | 安全系统，视频路由 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.173"，4.40mm 宽）裸露焊盘 |
| 供应商设备封装： | 28-TSSOP 裸露焊盘 |
| 包装： | 带卷 (TR) |
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Single-Channel Monochrome On-Screen
Display with Integrated EEPROM
Display Memory Mode Register (DMM) (continued)
BIT
DEFAULT
FUNCTION
20
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
20s). 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
10
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
00
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).
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.
MAX7456
Maxim Integrated
29
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相关代理商/技术参数 |
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| MAX7456EVKIT | 功能描述:显示开发工具 RoHS:否 制造商:4D Systems 产品:4Display Shields 工具用于评估:?OLED-160-G1, ?OLED-160-G2 接口类型:Serial 工作电源电压:5 V |
| MAX7456EVKIT+ | 功能描述:显示开发工具 MAX7456 Eval Kit RoHS:否 制造商:4D Systems 产品:4Display Shields 工具用于评估:?OLED-160-G1, ?OLED-160-G2 接口类型:Serial 工作电源电压:5 V |
| MAX7457ETE | 功能描述:视频开关 IC RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX7457ETE+ | 功能描述:视频开关 IC Video Switch for Dual SCART Connector RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX7457ETE+T | 功能描述:视频开关 IC Video Switch for Dual SCART Connector RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
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