
8201, 8202, 8203, 8204 Acceleration Processor Data Sheet, DS-0157-05
Page 162
Exar Confidential
FPR_SIZE[2:0]
6:4
0
Free Pool Ring Size.
Sets the maximum number of entries in the free
pool ring.
Note: the free pool is shared by commands in the
CPR0 or CPR1.
000
4
001
8
010
16
011
32
100
64
101
128
110
256
111
512
HOST_EF[1:0]
3:2
0
Host Endian Format.
Sets the endian format of the host command pointer
ring, command structure, result ring and free pool
ring.
00 No swap
01 Byte swap in word
10 Word swap, no byte swap in word
11 Word swap and byte swap in word
TWO_CPR_EN
10
Two Command Ring Pointer Enable.
0
Only Command Ring Pointer 0 enabled
1
Both Command Ring Pointer 0 and 1 enabled
ADDR64_MODE
00
DMA Addressing Mode.
0
32-bit addressing mode
1
64-bit addressing mode
Field Name
Bits
Reset
Description