參數(shù)資料
型號(hào): MPC8347ECVRAGF
廠商: FREESCALE SEMICONDUCTOR INC
元件分類(lèi): 微控制器/微處理器
英文描述: 32-BIT, 400 MHz, RISC PROCESSOR, PBGA620
封裝: 29 X 29 MM, 2.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-620
文件頁(yè)數(shù): 84/102頁(yè)
文件大?。?/td> 1094K
代理商: MPC8347ECVRAGF
MPC8347E PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 11
82
Freescale Semiconductor
Clocking
NOTE
Core VCO frequency = core frequency
× VCO divider
VCO divider must be set properly so that the core VCO frequency is in the
range of 800–1800 MHz.
19.3
Suggested PLL Configurations
Table 60 shows suggested PLL configurations for 33 and 66 MHz input clocks.
Table 59. e300 Core PLL Configuration
RCWL[COREPLL]
core_clk : csb_clk Ratio
VCO Divider1
1 Core VCO frequency = core frequency × VCO divider. The VCO divider must be set properly so that the core VCO frequency
is in the range of 800–1800 MHz.
0–1
2–5
6
nn
0000
n
PLL bypassed
(PLL off,
csb_clk clocks core directly)
PLL bypassed
(PLL off,
csb_clk clocks core directly)
00
0001
01:1
2
01
0001
01:1
4
10
0001
01:1
8
11
0001
01:1
8
00
0001
11.5:1
2
01
0001
11.5:1
4
10
0001
11.5:1
8
11
0001
11.5:1
8
00
0010
02:1
2
01
0010
02:1
4
10
0010
02:1
8
11
0010
02:1
8
00
0010
12.5:1
2
01
0010
12.5:1
4
10
0010
12.5:1
8
11
0010
12.5:1
8
00
0011
03:1
2
01
0011
03:1
4
10
0011
03:1
8
11
0011
03:1
8
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