Details

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BUY T6963CFG https://www.utsource.net/itm/p/12611741.html

Parameter	Symbol	Min	Typical	Max	Unit	Description
Supply Voltage	Vcc	4.5	5.0	5.5	V	Operating voltage range
Control Logic Voltage	Vdd	4.5	5.0	5.5	V	Logic input/output voltage
Power Consumption	Pd	-	200	-	mW	Maximum power consumption at 5V, 1MHz
Operating Temperature	Topr	-20	-	70	掳C	Operating temperature range
Storage Temperature	Tstg	-40	-	85	掳C	Storage temperature range
Display Memory Capacity	DM	-	8192	-	Bytes	Display memory size
CGRAM Capacity	CG	-	256	-	Bytes	Character generator RAM size
Instruction Execution	tI	-	20	-	渭s	Instruction execution time (typical)
Data Read Time	tDR	-	10	-	渭s	Data read time (typical)
Data Write Time	tDW	-	10	-	渭s	Data write time (typical)
Busy Flag Check Time	tBF	-	10	-	渭s	Time to check busy flag (typical)

Instructions

1. Initialization Sequence

• Step 1: Apply power supply (Vcc) and control logic voltage (Vdd).
• Step 2: Wait for at least 100 ms to ensure stable power-up.
• Step 3: Send the reset command (0x00) to initialize the controller.
• Step 4: Set the display mode (e.g., 0x40 for normal mode).
• Step 5: Clear the display memory (0x01).

2. Basic Commands

• Reset Command: 0x00 - Resets the controller.
• Clear Display: 0x01 - Clears the display memory and moves the cursor to the home position.
• Return Home: 0x02 - Moves the cursor to the home position without clearing the display.
• Entry Mode Set: 0x04 - Sets the entry mode (e.g., 0x06 for increment and shift display).
• Display On/Off Control: 0x08 - Controls the display on/off state (e.g., 0x0C for display on, cursor off, blink off).
• Cursor or Display Shift: 0x10 - Shifts the cursor or display (e.g., 0x14 for cursor right).
• Function Set: 0x20 - Sets the function mode (e.g., 0x28 for 4-bit interface, 2 lines, 5x7 dots).
• Set CGRAM Address: 0x40 - Sets the address for the CGRAM.
• Set DDRAM Address: 0x80 - Sets the address for the DDRAM.

3. Data Write and Read

• Write Data to DDRAM: Send the data byte to the DDRAM after setting the address.
• Read Data from DDRAM: Set the address and then read the data byte from the DDRAM.
• Write Data to CGRAM: Send the data byte to the CGRAM after setting the address.
• Read Data from CGRAM: Set the address and then read the data byte from the CGRAM.

4. Busy Flag Check

• Check Busy Flag: Before sending a new command or data, check the busy flag to ensure the controller is not busy. The busy flag is typically the most significant bit (MSB) of the status register.

5. Power Management

• Low Power Mode: Use the display off command (0x08) to reduce power consumption when the display is not needed.
• Power Down: When the device is not in use, remove power supply (Vcc) and control logic voltage (Vdd) to save energy.

Notes

• Always ensure that the power supply and control logic voltages are within the specified ranges to avoid damage to the controller.
• Proper timing is crucial for reliable operation. Ensure that all commands and data transfers respect the minimum and typical times specified in the table.

(For reference only)