Reference Manual

Turbo PMAC/PMAC2 Software Reference
Turbo PMAC Memory and I/O Map 539
IC# - Chan#
0-4
1-4
Board - Chan#
PMAC2-4
PMAC2-8
Address
$07801C
$07811C
IC# - Chan#
2-4
3-4
Board - Chan#
24P/V/E2
#1 - 4
24P/V/E2
#1 - 8
Address
$07821C
$07831C
IC# - Chan#
4-4
5-4
Board - Chan#
24P/V/E2
#2 - 4
24P/V/E2
#2 - 8
Address
$07921C
$07931C
IC# - Chan#
6-4
7-4
Board - Chan#
24P/V/E2
#3 - 4
24P/V/E2
#3 - 8
Address
$07A21C
$07A31C
IC# - Chan#
8-4
9-4
Board - Chan#
24P/V/E2
#4 - 4
24P/V/E2
#4 - 8
Address
$07B21C
$07B31C
X:$07xx1C Servo IC PWM, PFM, MaxPhase Control Word
(Bits 0-7 form I7m04)
Bits: 0-7: PWM Dead Time (16*PWM CLK cycles)
also PFM pulse width (PFM CLK cycles)
(Bits 8-23 form I7m00)
8-23: PWM MaxCount Value
PWM Frequency = 117.9648 MHz / [4*MaxCount + 6]
"MaxPhase" Frequency = 2*PWM Frequency
= 117.9648 MHz / [2*MaxCount + 3]