LSI Logic Confidential
8-3
Copyright © 2001, 2002 by LSI Logic Corporation. All rights reserved.
Figure 8.1
Host Interface (Showing Slave Pins Only)
The Host DMA and Secondary Bitstream interfaces support peak
transfer rates up to 50 Mbytes/s. The microcode must ensure that the
internal DMA channel is programmed to match the transfers being
performed by the host. Each interface is described in the following
sections
Bitstream IO Port
Local DRAM
(External to
DoMiNo Device)
E5
Bitstream FIFO
1 of 7 Select
DMA
H_DATA[31:16]
H_DATA[15:0]
H_ADDR[2:0]
3
16
Host Interface
Local Registers
Internal
Bus
Host Interface
Control Logic
H_CS
H_RD/WR
H_WR
H_RD
H_DTACK
Multiplexed Mode
Individual Mode
H_WAIT
HIO6
HIO5
HIO4
HIO3
HIO2
HIO1
HIO0
16
Memory
Space
Address