2. ELECTRONICS SPECIFICATIONS
2.3 Description of the Main PC Board
2.3 Description of the MAIN PC Board
This PC board, the brain of the printer, is comprised of the following components.
32bit RISC CPU (U2): | Type: AT91SAM9260 |
| The 32bit RISC CPU operates the following processing: |
| Controlling the interfaces |
| • Serial Interface |
| • Parallel Interface (Centronics) |
| • Eternet (10BASET/100BASETX) |
| Controlling the Status LED |
| Detect the [Feed] key |
| Controlling the read/write operation on the memory |
| • Flash ROM |
| • SDRAM |
| • SD Card |
| Controlling the options |
| • Cutter Module |
| • Strip Module |
| Control and detect sensor statuses |
| • Ribbon Sensor |
| • Cover Open Sensor |
| • Feed Gap Sensor |
| • Black Mark Sensor |
| • Motor Temperature Thermistor |
| Controlling the Print Head |
Flash ROM (U5): | Type: |
| Capacity: 32M bit |
| The programmed data of the boot program, main program, C/G, writable |
| character are written into the flash ROM. |
SDRAM (U6): | Type: |
| Capacity: 64M bit |
| It is used for drawing the print data and used as a work area. |
