MSC8156 Freescale Semiconductor, Inc, MSC8156 Datasheet - Page 55

• Manufacturer Part Number: MSC8156
• Description: Six-core Digital Signal Processor
• Manufacturer: Freescale Semiconductor, Inc

3.1.4
When a debugger is not used, implement the connection scheme shown in
When a debugger is used, implement the connection scheme shown in
3.2
Each global PLL power supply must have an external RC filter for the PLLn_AVDD input (see
following components are defined as listed:
Note:
All three PLLs can connect to a single supply voltage source (such as a voltage regulator) as long as the external RC filter is
applied to each PLL separately. For optimal noise filtering, place the circuit as close as possible to its PLLn_AVDD inputs.
Freescale Semiconductor
•
•
•
R = 5 Ω ± 5%
C1 = 10 µF ± 10%, 0603, X5R, with ESL
C2 = 1.0 µF ± 10%, 0402, X5R, with ESL
A higher capacitance value for C2 may be used to improve the filter as long as the other C2 parameters do not change.
On-board PORESET source
(example: voltage monitor)
PLL Power Supply Design Considerations
Reset Guidelines
On-board TRST source
(example: OnCE)
On-board PORESET source
(example: voltage monitor)
MSC8156 Six-Core Digital Signal Processor Data Sheet, Rev. 1
Figure 35. Reset Connection in Functional Application
Figure 36. Reset Connection in Debugger Application
VDD
≤
≤
0.5 nH, low ESL Surface Mount Capacitor.
0.5 nH, low ESL Surface Mount Capacitor.
IO
10 ΚΩ
Figure
Figure
36.
35.
TRST
PORESET
MSC815x
Hardware Design Considerations
TRST
PORESET
MSC815x
Figure
37) in which the
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