PXD20RM Datasheet, PDF (1333/1628 Pages) Freescale Semiconductor, Inc – PXD20 Microcontroller

Table 39-4. SGMCFG Register Description
Field
Description
31
ATKFCH3
Envelope Attack style for Channel 3. This bit controls the type of interpolation used in the attack phase for
channel 3 in DDS mode.
0 linear interpolation
1 exponential interpolation
30
ATKFCH2
Envelope Attack style for Channel 2. This bit controls the type of interpolation used in the attack phase for
channel 2 in DDS mode.
0 linear interpolation
1 exponential interpolation
29
ATKFCH1
Envelope Attack style for Channel 1. This bit controls the type of interpolation used in the attack phase for
channel 1 in DDS mode.
0 linear interpolation
1 exponential interpolation
28
ATKFCH0
Envelope Attack style for Channel 0. This bit controls the type of interpolation used in the attack phase for
channel 0 in DDS mode.
0 linear interpolation
1 exponential interpolation
27
RELFCH3
Envelope Release style for Channel 3. This bit controls the type of interpolation used in the release phase for
channel 3 in DDS mode.
0 linear interpolation
1 exponential interpolation
26
RELFCH2
Envelope Release style for Channel 2. This bit controls the type of interpolation used in the release phase for
channel 2 in DDS mode.
0 linear interpolation
1 exponential interpolation
25
RELFCH1
Envelope Release style for Channel 1. This bit controls the type of interpolation used in the release phase for
channel 1 in DDS mode.
0 linear interpolation
1 exponential interpolation
24
RELFCH0
Envelope Release style for Channel 0. This bit controls the type of interpolation used in the release for channel
0 in DDS mode.
0 linear interpolation
1 exponential interpolation
23
NOPECH3
Envelope No-Output phase enable for Channel 3. In DDS mode this bit controls the inter-note no-output
phase.
0 Disable the no-output phase for channel 3 in DDS mode.
1 Enable the no-output phase for channel 3 in DDS mode.
22
NOPECH2
Envelope No-Output phase enable for Envelope for Channel 2. In DDS mode this bit controls the inter-note
no-output phase.
0 Disable the no-output phase for channel 2 in DDS mode.
1 Enable the no-output phase for channel 2 in DDS mode.
21
NOPECH1
Envelope No-Output phase enable for Envelope for Channel 1. In DDS mode this bit controls the inter-note
no-output phase.
0 Disable the no-output phase for channel 1 in DDS mode.
1 Enable the no-output phase for channel 1 in DDS mode.
20
NOPECH0
Envelope No-Output phase enable for Envelope for Channel 0. In DDS mode this bit controls the inter-note
no-output phase.
0 Disable the no-output phase for channel 0 in DDS mode.
1 Enable the no-output phase for channel 0 in DDS mode.
Freescale Semiconductor
PXD20 Microcontroller Reference Manual, Rev. 1
Preliminary—Subject to Change Without Notice
39-9