參數(shù)資料
型號： MPC8270CVRMIBA
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 66.67 MHz, RISC PROCESSOR, PBGA516
封裝： 27 X 27 MM, 1 MM PITCH, LEAD FREE, PLASTIC, FBGA-516
文件頁數(shù)： 74/156頁
文件大?。?/td> 1680K
代理商： MPC8270CVRMIBA
24
MPC8280 PowerQUICC II Family Hardware Specications
MOTOROLA
Clock Conguration Modes
In each clocking mode, the conguration of bus, core, PCI, and CPM frequencies is determined by seven
bits during the power-up reset—three hardware conguration pins (MODCK[1–3]) and four bits from
hardware conguration word[28–31] (MODCK_H). Both the PLLs and the dividers are set according to the
selected MPC8280 clock operation mode as described in the following sections.
7.1
Local Bus Mode
Table 15 lists clock congurations for the MPC8280 in local bus mode. The frequencies listed are for the
purpose of illustration only. Users must select a mode and input bus frequency so that the resulting
conguration does not exceed the frequency rating of the user’s device.
NOTE
Clock congurations change only after PORESET is asserted.
Table 15. Clock Congurations for Local Bus Mode1
Mode2
Bus Clock3
(MHz)
CPM
Multiplication
Factor4
CPM Clock
(MHz)
CPU
Multiplication
Factor5
CPU Clock
(MHz)
MODCK_H-MODCK[1-3]
low
high
low
high
low
high
Default Modes (MODCK_H= 0000)
0000_000
62.5
133.3
3
187.5
400.0
4
250.0
533.3
0000_001
50.0
133.3
3
150.0
400.0
5
250.0
666.7
0000_010
62.5
100.0
4
250.0
400.0
4
250.0
400.0
0000_011
50.0
100.0
4
200.0
400.0
5
250.0
500.0
0000_100
66.7
167.0
2
133.3
334.0
2.5
166.7
417.5
0000_101
66.7
167.0
2
133.3
334.0
3
200.0
501.0
0000_110
66.7
160.0
2.5
166.7
400.0
2.5
166.7
400.0
0000_111
55.5
160.0
2.5
138.7
400.0
3
166.7
480.0
Full Conguration Modes
0001_000
66.7
167.0
2
133.3
334.0
4
266.7
668.0
0001_001
66.7
167.0
2
133.3
334.0
5
333.3
835.0
0001_010
66.7
167.0
2
133.3
334.0
6
396.0
1002.0
0001_011
Reserved
0001_100
Reserved
0001_101
62.5
133.3
3
187.5
400.0
4
250.0
533.3
0001_110
50.0
133.3
3
150.0
400.0
5
250.0
666.7
1000_111
45.5
133.3
3
136.4
400.0
5.5
250.0
733.3
0001_111
44.3
133.3
3
133.3
400.0
6
266.7
800.0
0010_000
Reserved
0010_001
Reserved
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MPC8270CVRMIBA 制造商:Freescale Semiconductor 功能描述:IC PERIPHERAL (MULTIFUNCTION) CONTROLLE
MPC8270CVRP 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC II⑩ Family Hardware Specifications
MPC8270CVRT 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC II⑩ Family Hardware Specifications
MPC8270CVVQLD 制造商:Freescale Semiconductor 功能描述:
MPC8270CVVQLDA 功能描述:微處理器 - MPU 333 MHz 632.7 MIPS RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
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