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參數(shù)資料
| 型號： | ST7066 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Dot Matrix LCD Controller/Driver |
| 中文描述： | 點(diǎn)陣LCD控制器/驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 17/29頁 |
| 文件大?。?/td> | 318K |
| 代理商： | ST7066 |
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ST7066
!"
Read Busy Flag and Address
V1.2
2000/6/13
17
When BF = “High”, indicates that the internal operation is being processed.So during this time the next
instruction cannot be accepted.
The address Counter (AC) stores DDRAM/CGRAM addresses, transferred from IR.
After writing into (reading from) DDRAM/CGRAM, AC is automatically increased (decreased) by 1.
!"
Write Data to CGRAM or DDRAM
Write binary 8-bit data to DDRAM/CGRAM.
The selection of RAM from DDRAM, 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.
!"
Read Data from CGRAM or DDRAM
Read binary 8-bit data from DDRAM/CGRAM.
The selection of RAM is set by the previous address set instruction. If address set instruction of RAM is not
performed before this instruction, the data that read first is invalid, because the direction of AC is not determined.
If you read RAM data several times without RAM address set instruction before read operation, you can get
correct RAM data from the second, but the first data would be incorrect, because 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 transfer 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.
* In case of RAM write operation, after this AC is increased/decreased by 1 like read operation. In this time, AC
indicates the next address position, but you can read only the previous data by read instruction.
1
1
0
1
D7
D7
D6
D6
D5
D5
D4
D4
D3
D3
D2
D2
Code
Code
RS
RS
RW
RW
DB7
DB7
DB6
DB6
DB5
DB5
DB4
DB4
DB1
DB1
DB2
DB2
DB3
DB3
D1
D1
D0
D0
DB0
DB0
0
1
BF
AC6
AC5
AC4
AC3
AC2
Code
RS
RW
DB7
DB6
DB5
DB4
DB1
DB2
DB3
AC1
AC0
DB0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ST7920 | ST7920 |
| ST7920-0A | ST7920 |
| ST7920-0B | ST7920 |
| ST8016 | 160 Output LCD Common/Segment driver IC |
| ST80X-10S | Interface Connectors for Miniature, Portable Terminal Devices |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST7066-0A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Controller Miscellaneous - Datasheet Reference |
| ST7066-0B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Controller Miscellaneous - Datasheet Reference |
| ST7066U | 制造商:SITRONIX 制造商全稱:SITRONIX 功能描述:Dot Matrix LCD Controller/Driver |
| ST7070 | 制造商:SITRONIX 制造商全稱:SITRONIX 功能描述:Dot Matrix LCD Controller/Driver |
| ST7078 | 制造商:Pulse 功能描述:CMC - Bulk |
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