PT6314 Datasheet, PDF (24/49 Pages) Texas Instruments – 3 Amp Adjustable Positive Step-down Integrated Switching Regulators

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Dot Character VFD Controller/Driver IC
“CLEAR DISPLAY” INSTRUCTION
PT6314
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
CODE 0 0 0 0 0 0 0 0 0 1
During Reset,
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
00000001
The CLEAR DISPLAY Instruction performs the following operations:
1. Fills all Display Data RAM (DDRAM) location with 20H (Blank Character).
2. Clears the contents of the Address Counter (ACC) to 00H.
3. Sets the display for Zero Character Shift (Returns to original position.)
4. Sets the Address Counter to point to the Display Data RAM (DDRAM).
5. If the cursor is displayed, this instruction will move the cursor to the left most character in the upper
display line.
6. Sets the Address Counter (ACC) to increment on each access of the DDRAM or CGRAM.
“CURSOR HOME” INSTRUCTION
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
CODE 0 0 0 0 0 0 0 0 1 X
The CURSOR HOME Instruction performs the following operations:
1. Clears the contents of the Address Counter (ACC) to 00H.
2. Sets the Address Counter to point to the Display Data RAM (DDRAM).
3. Sets the Display for Zero Character Shift (Returns to the original position).
4. If the cursor is displayed, this instruction moves the cursor to the left most character in the upper line
display.
PT6314 V1.3
- 24 -
March, 2006