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PXR40 데이터시트(PDF) 72 Page - Freescale Semiconductor, Inc

부품명 PXR40
상세설명  PXR40 Microcontroller
PDF  100 Pages
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제조업체  FREESCALE [Freescale Semiconductor, Inc]
홈페이지  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

PXR40 데이터시트(HTML) 72 Page - Freescale Semiconductor, Inc

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PXR40 Microcontroller Data Sheet, Rev. 1
Electrical characteristics
Freescale Semiconductor
72
Table 24. PFCPR1 settings vs. frequency of operation1
1 Illegal combinations exist. Use entries from the same row in this table.
Spec
Clock
Mode
Maximum Frequency2
(MHz)
2 This is the nominal maximum frequency of operation: platform runs at f
sys/2 in Enhanced Mode .
APC =
RWSC
WWSC
DPFEN3
3 For maximum flash performance, set to 0b1.
IPFEN3
PFLIM4
4 For maximum flash performance, set to 0b10.
BFEN5
5 For maximum flash performance, set to 0b1.
Core
fsys
Platform
fplatf
1
Enhanced
264 MHz6
6 This is the nominal maximum frequency of operation in Enhanced Mode. Max speed is the maximum speed
allowed including frequency modulation (FM). 270 MHz parts allow for 264 MHz system core clock(fsys)+2% FM
and 132 Mhz platform clock (fplatf)+ 2% FM.
132 MHz6
0b011
0b01
0b0
0b1
0b0
0b1
0b00
0b01
0b1x
0b0
0b1
2
Enhanced/
Full
200 MHz
100 MHz
0b010
0b01
0b0
0b1
0b0
0b1
0b00
0b01
0b1x
0b0
0b1
3
Legacy
132 MHz
132 MHz
0b100
0b01
0b0
0b1
0b0
0b1
0b00
0b01
0b1x
0b0
0b1
Default setting after reset:
0b111
0b11
0b00
0b00
0b00
0b0



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