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參數(shù)資料
| 型號(hào)： | PPC7457RX600NB |
| 廠商： | Motorola, Inc. |
| 英文描述： | PPC7457RX1000NB |
| 中文描述： | PPC7457RX1000NB |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大?。?/td> | 280K |
| 代理商： | PPC7457RX600NB |
MOTOROLA
MPC7457 Part Number Speci
fi
cation for the MPC74x7RXnnnnNx Series
For More Information On This Product,
Go to: www.freescale.com
5
General Parameters
Table 8 provides the clock AC timing specifications for the MPC7457 part numbers described herein.
Table 8. Clock AC Timing Speci
fi
cations
At recommended operating conditions. See Table 4.
Characteristic
Symbol
Maximum Processor Core Frequency
Unit
Notes
600 MHz
733 MHz
867 MHz
1000 MHz
Min
Max
Min
Max
Min
Max
Min
Max
Processor frequency
f
core
500
600
500
733
500
867
500
1000
MHz
1
VCO frequency
f
VCO
1000
1200
1000
1466
1000
1733
1000
2000
MHz
1
SYSCLK frequency
f
SYSCLK
33
167
33
167
33
167
33
167
MHz
SYSCLK cycle time
t
SYSCLK
6.0
30
6.0
30
6.0
30
6.0
30
ns
Note:
1.
Caution
frequency, CPU (core) frequency, and PLL (VCO) frequency do not exceed their respective maximum or minimum
operating frequencies. Refer to the PLL_CFG[0:4] signal description in Section 1.9.1, “PLL Con
fi
guration,” for valid
PLL_CFG[0:4] settings.
: The SYSCLK frequency, PLL_CFG[0:4] settings must be chosen such that the resulting SYSCLK (bus)
F
Freescale Semiconductor, Inc.
n
.
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