Details

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BUY TMS9928ANL https://www.utsource.net/itm/p/12610561.html

Parameter	Description	Value
Device Type	Video Display Processor (VDP)	-
Package	Ceramic Dual Inline Package (DIP)	40-pin
Operating Voltage (Vcc)	Supply Voltage	5V 卤 5%
Operating Temperature Range	Operating Temperature	0掳C to 70掳C
Storage Temperature Range	Storage Temperature	-65掳C to 150掳C
Data Bus Width	Data Bus	8-bit
Address Bus Width	Address Bus	14-bit
Video Output	Composite Video Output	NTSC or PAL
Memory Interface	VRAM Interface	64K x 8 bits (8K x 8 bits internal)
Clock Frequency	System Clock	3.58 MHz (NTSC) / 3.55 MHz (PAL)
Refresh Rate	Screen Refresh Rate	60 Hz (NTSC) / 50 Hz (PAL)
Resolution	Maximum Resolution	256 x 192 pixels
Color Palette	Total Colors	16 colors on screen, 256 colors total
Sprite Capabilities	Maximum Sprites	32 sprites, 4 per scan line
Sprite Size	Sprite Size	8x8 or 16x16 pixels
Text Mode	Text Modes	40x24 characters (8x8 pixels) or 32x24 characters (16x8 pixels)
Graphics Mode	Graphics Modes	256x192 pixels (Mode 0-3)
Interlaced Mode	Interlaced Display	Supported
Power Consumption	Typical Power Consumption	1.5W

Instructions for Using TMS9928ANL

1. Power Supply:

   • Connect the Vcc pin (pin 40) to a 5V 卤 5% power supply.
   • Connect the GND pins (pins 20, 21) to ground.

2. Clock Input:

   • Connect a 3.58 MHz (NTSC) or 3.55 MHz (PAL) clock signal to the CLK pin (pin 39).

3. Data and Address Buses:

   • Connect the data bus (D0-D7) to the corresponding data lines of your microprocessor.
   • Connect the address bus (A0-A13) to the corresponding address lines of your microprocessor.

4. Control Signals:

   • Connect the control signals (RD, WR, CS, RS) to the appropriate control lines of your microprocessor.
     • RD (Read): Active low, indicates a read operation.
     • WR (Write): Active low, indicates a write operation.
     • CS (Chip Select): Active low, enables the TMS9928ANL.
     • RS (Register Select): Active high, selects register access mode.

5. Memory Interface:

   • Connect the VRAM (Video RAM) to the VRAM interface pins (A0-A12, D0-D7).
   • Ensure the VRAM is properly initialized and configured according to the TMS9928ANL specifications.

6. Video Output:

   • Connect the composite video output (VIDEO OUT) to a monitor or display device.
   • Set the MODE pin (pin 38) to select NTSC or PAL mode.

7. Initialization:

   • Initialize the TMS9928ANL by writing to the appropriate registers to set up the display mode, color palette, and other parameters.

8. Programming:

   • Use the data and address buses to read from and write to the TMS9928ANL registers and VRAM.
   • Refer to the TMS9928ANL datasheet for detailed register addresses and functions.

9. Testing:

   • After setup, test the display by loading a simple pattern or image into VRAM and verifying the output on the monitor.

10. Safety and Handling:

    • Handle the TMS9928ANL with care to avoid static damage.
    • Ensure proper heat dissipation and cooling if operating in high-temperature environments.

For more detailed information, refer to the official TMS9928ANL datasheet and application notes.

(For reference only)