Reference Manual

Turbo PMAC/PMAC2 Software Reference
Turbo PMAC Global I-Variables 141
If the flag register is in a PMAC-style Servo IC, the flags used are HMFLn, +LIMn, and -LIMn. Usually,
the flag register is for the “spare” (even-numbered) set of flags corresponding to the second DAC output
used for the commutation. The following table shows the values of Ixx81 used here.
Turbo PMAC Ixx81 Typical Hall Phasing Settings
(Ixx91=$800000 - $FF0000)
Hall Flag
Channel #
PMAC
First
Acc-24P/V
Second
Acc-24P/V
Third
Acc-24P/V
Fourth
Acc-24P/V
Channel 2
$078004
$078204
$079204
$07A204
$07B204
Channel 4
$07800C
$07820C
$07920C
$07A20C
$07B20C
Channel 6
$078104
$078304
$079304
$07A304
$07B304
Channel 8
$07810C
$07830C
$07930C
$07A30C
$07B30C
If the flag register is in a PMAC2-style Servo IC, the flags used are CHUn, CHVn, and CHWn. Usually
the flag register is the same register as used for the main flags as specified by Ixx25.
The following table shows the values of Ixx81 used here.
Turbo PMAC2 Ixx81 Typical Hall Phasing Settings
(Ix91=$800000 - $FF0000)
Servo
IC #
Chan. 1
Chan. 2
Chan. 3
Chan. 4
Notes
0
$078000
$078008
$078010
$078018
First IC on board PMAC2, 3U stack
1
$078100
$078108
$078010
$078018
Second IC on board PMAC2, 3U stack
2
$078200
$078208
$078210
$078218
First Acc-24E2x, first IC on first Acc-24P/V2
3
$078300
$078308
$078310
$078318
Second Acc-24E2x, second IC on first Acc-24P/V2
4
$079200
$079208
$079210
$079218
Third Acc-24E2x, first IC on second Acc-24P/V2
5
$079300
$079308
$079310
$079318
Fourth Acc-24E2x, second IC on second Acc-24P/V2
6
$07A200
$07A208
$07A210
$07A218
Fifth Acc-24E2x, first IC on third Acc-24P/V2
7
$07A300
$07A308
$07A310
$07A318
Sixth Acc-24E2x, second IC on third Acc-24P/V2
8
$07B200
$07B208
$07B210
$07B218
Seventh Acc-24E2x, first IC on fourth Acc-24P/V2
9
$07B300
$07B308
$07B310
$07B318
Eighth Acc-24E2x, second IC on fourth Acc-24P/V2
If the flag register is obtained through the MACRO ring, Ixx81 will contain the address of a MACRO
auxiliary image register in RAM. The following table shows the typical values of Ixx81 used here.