Service manual

masking to support single or multiple Hardware Execution Breakpoint
4. One breakpoint instruction insertion unit
• Boot Strap Mode Function
1. Allow User to initialize system and download program/data to system
memory through UART
2. Accept execution command to run program stored in system memory
3. Provide an 8-byte long Instruction Buffer for 68000 instruction storage
and execution
• Power Management
1. Fully static HCMOS technology
2. Programmable clock synthesizer using 32.768 kHz/38.4 kHz crystal for
full frequency control
3. Low power stop capabilities
4. Modules can be individually shut-down
5. Lowest power mode control
• Operation from DC To 16.58 MHz (processor clock)
• Operating Voltage of 2.7V-3.3V
• Compact 100-Lead Thin Quad Flat Pack (TQFP) and 144 Pin Ball Grid
Array (PBGA) packages
This chip’s block diagram is showing as below:
DragonBall Block Diagram
LCD module gives the user an visible interface. Detailed LCD module descriptions
can be found in LCD module circuit description. The connections between
DragonBall and LCD module are joint by J9805. There is one EL panel on LCD