150
120
90
60
30
Supply Voltage Sequencing and Separation Cautions
EMI Mode5 MAC Mode1
0
20
40
60
80
100
120
Figure 4-1 Maximum Run IDDTOTAL vs. Frequency (see Notes 1. and 5. in Table 4-4)
4.3 Supply Voltage Sequencing and Separation Cautions
Figure 4-2 shows two situations to avoid in sequencing the VDD and VDDIO, VDDA supplies.
3.3V
1.8V
1
VDDIO, VDDA
2
Supplies Stable
VDD
0
Time
Note: 1. VDD rising before VDDIO, VDDA
2. VDDIO, VDDA rising much faster than VDD
Figure 4-2 Supply Voltage Sequencing and Separation Cautions
56852 Technical Data, Rev. 8
Freescale Semiconductor
19