Altera Phase-Locked Loop Reconfiguration IP Core User Manual
Page 45

Specifications
Page 45
Phase-Locked Loop Reconfiguration (ALTPLL_RECONFIG) Megafunction
February 2012
Altera Corporation
lists the
counter_type
settings for Stratix III, Stratix IV, Cyclone III,
Cyclone IV, and Arria II GX devices.
scan_init_file
String No
Specifies the name of the .mif or .hex used as the initial value of the scan
chain cache. Values are
UNUSED
. If omitted, the value for
every entry in the cache is
0
. You must set the input file as shown in the
following table:
Device
Input File Size
Stratix series devices
(except Stratix III and Stratix IV
devices)
192 bits or 288 bits depending on
the
scan_chain
length
Stratix III and Stratix IV Top/Bottom
PLL devices
234 bits
Stratix III and Stratix IV Right/Left
PLL devices
180 bits
Cyclone III and Cyclone IV devices
144 bits
Arria II GX devices
180 bits
use_scanclk_sync_
register
String No
Specifies whether to use the
scanclk
port for the synchronization mode for
the register. Available for all supported devices except Stratix III, Stratix IV,
Cyclone III, Cyclone IV, HardCopy III, HardCopy IV, and Arria II GX devices.
Values are
YES
and
NO
. If omitted, the default value is
NO
.
Table 10. ALTPLL_RECONFIG Megafunction Parameters (Part 2 of 2)
Parameter
Type
Required?
Description
Table 11. counter_type[3..0] Settings for Stratix III, Stratix IV, Cyclone III, Cyclone IV, and
Arria II GX Devices (Part 1 of 2)
Counter Selection
Binary
Decimal
N
0000
0
M
0001
1
CP/LF
0010
2
VCO
0011
3
C0
0100
4
C1
0101
5
C2
0110
6
C3
0111
7
C4
1000
8
C5
1001
9
C6
1010
10
C7
1011
11
C8
1100
12
C9
1101
13
Illegal value
1110
14