| 摘要 |
<p>A programmable sequence generator comprises a combinatorial logic matrix (10,12) and an on-chip timer (24) having count lines (26) coupled as inputs to the logic matrix (10). Combinatorial logic functions may be programmed into the matrix having as variables external inputs (14), a count number represented by the count lines (26) and internal inputs (48) fed back from outputs of he logic matrix (12). In a preferred embodiment, state registers (46) are provided, such that the programmable sequence generator can operate in any one of a plurality of different states. The programmable sequence generator can be configured as a waveform generator (92), a refresh timer (94) or a dynamic memory timing controller (96), among other programmable logic applications.</p> |
