General Description:
What is the advantage of using the BAR_x_WR and BAR_x_RD signals
generated from the BASE_HIT[x] signal to decode the target transactions
as opposed to using the S_WRDN signal in combination with uniquely
decoded address signals (which have the same timing as BAR_x_WR and
BAR_x_RD)?
Base_Hit[x] denotes the starting address of the any BAR[x] to which
application is configured to(either to memory or I/O space). The
application address range is determined by BAR[x] size
(from 16 bytes to 2GB bytes). By using BASE_HIT[x], application need
not decode the full address and saves some logic by just decoding
{log(BAR[x] size)} bits.
| AR# 5129 | |
|---|---|
| 日期 | 05/14/2014 |
| 状态 | Archive |
| Type | 综合文章 |