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參數(shù)資料
| 型號： | PT6314-002L |
| 廠商： | Princeton Technology Corporation |
| 英文描述： | Dot Character VFD Controller/Driver IC |
| 中文描述： | 字符點VFD控制器/驅(qū)動器IC |
| 文件頁數(shù)： | 25/49頁 |
| 文件大?。?/td> | 1028K |
| 代理商： | PT6314-002L |
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URL: http://www.princeton.com.tw
Fax: 886-2-29174598
Tel: 886-2-66296288
“ENTRY MODE” INSTRUCTION
CODE
The “I/D” Bit provides a way to modify the contents of the address counter after every access to the
DDRAM or CGRAM. When I/D is set to “1” the Address Counter is incremented after the DDRAM or
CGRAM has been accessed. When the I/D is set to “0” the Address Counter is decremented after the
DDRAM or CGRAM has been accessed.
The “S” Bit controls the display or cursor shift after each read or write operation to the DDRAM. If S is
set to “1” the “Display Shift” Instruction is enabled. If the S is set to “0” the “Cursor Shift” Instruction is
enabled.
The direction in which the display is shifted is opposite to that of the cursor. For example, if S=”0” and
I/D=”1” the cursor will shift one character to the right after the MCU writes to the DDRAM. But, if the
S=”1” and I/D=”1” the display will shift one character to the left and the cursor will remain in the same
position in the panel display. The cursor has already been shifted in the direction selected by the I/D
during the reading of the DDRAM irrespective of the value of “S”. Reading and writing the CGRAM
always shifts the cursor. Both lines are shifted at the same time.
The table below shows the various cursor and display shift movements by the “Entry Mode Set”.
I/D
S
After Writing DDRAM Data
0
0
Cursor moves one character to the left.
1
0
Cursor moves one character to the right. Cursor moves one character to the right.
Display shifts one character to the right
without any cursor movement.
Display shifts one character to the left
without any cursor movement.
During Reset,
DB7
DB6
DB5
DB4
0
0
0
0
PT6314 V1.3
- 25 -
March, 2006
Dot Character VFD Controller/Driver IC
PT6314
RS
0
R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
0
0
0
0
0
1
I/D
S
After Reading DDRAM Data
Cursor moves one character to the left.
0
1
Cursor moves one character to the left.
1
1
Cursor moves one character to the right.
DB3
0
DB2
1
DB1
1
DB0
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PT6314-007 | 制造商:PTC 制造商全稱:Princeton Technology Corp 功能描述:Dot Character VFD Controller/Driver IC |
| PT6314-008 | 制造商:PTC 制造商全稱:Princeton Technology Corp 功能描述:Dot Character VFD Controller/Driver IC |
| PT6314-16 | 制造商:PTC 制造商全稱:Princeton Technology Corp 功能描述:Dot Character VFD Controller/Driver IC |
| PT6314-16L | 制造商:PTC 制造商全稱:Princeton Technology Corp 功能描述:Dot Character VFD Controller/Driver IC |
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