
Description of the data path
GUPPY Technical Manual
V4.0.1
86
The table below describes the registers required:
Register
Name
Field
Bit
Description
0xF1000240
LUT_CTRL
Presence_Inq
[0]
Indicates presence of this
feature (read only)
---
[1..5]
Reserved
ON_OFF
[6]
Enable/disable this feature
---
[7..25]
Reserved
LutNo
[26..31] Use look-up table with
LutNo
number
0xF1000244
LUT_MEM_CTRL
Presence_Inq
[0]
Indicates presence of this
feature (read only)
---
[1..4]
Reserved
EnableMemWR
[5]
Enable write access
---
[6..7]
Reserved
AccessLutNo
[8..15]
Reserved
AddrOffset
[16..31] byte
0xF1000248
LUT_INFO
Presence_Inq
[0]
Indicates presence of this
feature (read only)
---
[1..2]
Reserved
BitsPerValue
[3..7]
Bits used per table item
NumOfLuts
[8..15]
Maximum number of look-up
tables
MaxLutSize
[16..31] Maximum look-up table size
(bytes)
Table 29: LUT control register