| 摘要 |
A control device is provided for controlling a buffer memory that can store n data words and is capable of being used for data transfer between a first system and a second system. The control device includes a write pointer and a read pointer. The control device also includes a write management circuit and a read management circuit. The write management circuit compares the content of the write pointer and the content of the read pointer, and authorizes or does not authorize a write operation in the memory. The read management circuit compares the content of the write pointer and the content of the read pointer, and authorizes or does not authorize a read operation in the memory.
|
