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NHD-0416B1Z
Newhaven Display
12
10) Write data to RAM
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1 0 D7 D6 D5 D4 D3 D2 D1 D0
Write binary 8-bit data to DDRAM/CGRAM.
The selection of RAM from DDRAM, and CGRAM, is set by the previous address set instruction (DDRAM
address set, CGRAM address set).
RAM set instruction can also determine the AC direction to RAM.
After write operation. The address is automatically increased/decreased by 1, according to the entry mode.
11) Read data from RAM
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1 1 D7 D6 D5 D4 D3 D2 D1 D0
Read binary 8-bit data from DDRAM/CGRAM.
The selection of RAM is set by the previous address set instruction. If the address set instruction of RAM
is not performed before this instruction, the data that has been read first is invalid, as the direction of AC is not
yet determined. If RAM data is read several times without RAM address instructions set before, read operation,
the correct RAM data can be obtained from the second. But the first data would be incorrect, as there is no
time margin to transfer RAM data.
In case of DDRAM read operation, cursor shift instruction plays the same role as DDRAM address set
instruction, it also transfers RAM data to output data register.
After read operation, address counter is automatically increased/decreased by 1 according to the entry
mode.
After CGRAM read operation, display shift may not be executed correctly.
NOTE: In case of RAM write operation, AC is increased/decreased by 1 as in read operation.
At this time, AC indicates next address position, but only the previous data can be read by the read
instruction.
12. Display character address code:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F
10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F
50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F
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相关PDF资料
NHD-0416BZ-FL-GBW LCD MOD CHAR 4X16 Y/G TRANSFL
NHD-0416BZ-FL-YBW LCD MOD CHAR 4X16 Y/G TRANSFL
NHD-0416BZ-NSW-BBW LCD MOD CHAR 4X16 WHITE TRANSM
NHD-0420AZ-FL-GBW-33V3 LCD MOD CHAR 4X20 GRY TRANSF STN
NHD-0420AZ-FL-GBW-3V LCD MOD CHAR 4X20 Y/G TRANSFL
NHD-0420AZ-FL-YBW-33V3 LCD MOD CHAR 4X20 Y/G TRANSF STN
NHD-0420AZ-FL-YBW-3V LCD MOD CHAR 4X20 Y/G TRANSFL
NHD-0420AZ-FSW-GBW-33V3 LCD MOD CHAR 4X20 GRY TRANSF STN
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NHD-0416BZ-FL-YBW 功能描述:LCD字符显示模块与配件 STN- Y/G Transfl 87.0 x 60.0 RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk
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