Element: cdp1878
CDP1878 Dual Counter-Timer I/O definition.
| child element | attribute | value | description |
|---|---|---|---|
| clock | counter | number / fraction (0 > value > 500) | CDP1878 counter clock speed. The counter attribute indicates counter a or b. |
| ef | pol, q | ef flag (1 to 4) | CDP1878 EF flag definition. For details about attribute and value usage see XML - I/O |
| in | counter, mask, q, type | port (1 to 7) | CDP1878 input port definition. The counter attribute indicates counter a or b. The type attribute indicates the input function: type="interrupt" to read interrupt status. For details about attribute and value usage see XML - I/O |
| io | counter, mask, q, type | port (1 to 7) | CDP1878 input port definition. The counter attribute indicates counter a or b. The type attribute indicates the input function: type="low" to read/write low byte counter value, type="high" to read/write high byte counter value. For details about attribute and value usage see XML - I/O |
| int | CDP1877 PIC interrupt number | Specify PIC interrupt number (if used). | |
| iogroup | group number (8 bit) | CDP1878 iogroup definition. For details about value usage see XML - I/O | |
| out | counter, mask, q, type | port (1 to 7) | CDP1878 output port definition. The counter attribute indicates counter a or b. The type attribute indicates the output function: type="control" to write control. For details about attribute and value usage see XML - I/O |