dsp56858 Freescale Semiconductor, Inc, dsp56858 Datasheet - Page 26

• Manufacturer Part Number: dsp56858
• Description: 16-bit Digital Signal Controllers
• Manufacturer: Freescale Semiconductor, Inc

4.3 Supply Voltage Sequencing and Separation Cautions
Figure 4-2
Note: 1. V
26
Figure 4-1 Maximum Run I
2. V
3.3V
1.8V
DD
DDIO
shows two situations to avoid in sequencing the V
0
rising before V
, V
Figure 4-2 Supply Voltage Sequencing and Separation Cautions
90
60
120
DDA
150
30
0
rising much faster than V
DDIO
1
, V
DDA
20
EMI Mode
DDTOTAL
56858 Technical Data, Rev. 6
DD
5
40
vs. Frequency (see Notes
MAC Mode
2
1
60
DD
and V
80
Supplies Stable
DDIO,
1.
V
and
DDA
100
Freescale Semiconductor
5.
supplies.
in
V
Table
DDIO,
V
Time
120
DD
V
DDA
4-4)