參數(shù)資料
型號(hào): MPC8358VVAGDEA
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 400 MHz, RISC PROCESSOR, PBGA740
封裝: 37.50 X 37.50 MM, 1.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, TBGA-740
文件頁數(shù): 86/102頁
文件大?。?/td> 606K
代理商: MPC8358VVAGDEA
MPC8360E/MPC8358E PowerQUICC II Pro Processor Revision 2.x TBGA Silicon Hardware Specifications, Rev. 5
84
Freescale Semiconductor
System PLL Configuration
The RCWL[SVCOD] denotes the system PLL VCO internal frequency as shown in this table.
NOTE
The VCO divider must be set properly so that the system VCO frequency is in the range of
600–1400 MHz.
The system VCO frequency is derived from the following equations:
csb_clk = {PCI_SYNC_IN × (1 + CFG_CLKIN_DIV)} × SPMF
System VCO Frequency = csb_clk × VCO divider (if both RCWL[DDRCM] and RCWL[LBCM] are cleared)
OR
System VCO frequency = 2
× csb_clk × VCO divider (if either RCWL[DDRCM] or RCWL[LBCM] are set).
As described in Section 21, “Clocking,the LBCM, DDRCM, and SPMF parameters in the reset configuration word low and
the CFG_CLKIN_DIV configuration input signal select the ratio between the primary clock input (CLKIN or PCI_CLK) and
the internal coherent system bus clock (csb_clk). This table shows the expected frequency values for the CSB frequency for
select csb_clk to CLKIN/PCI_SYNC_IN ratios.
1100
× 12
1101
× 13
1110
× 14
1111
× 15
Table 71. System PLL VCO Divider
RCWL[SVCOD]
VCO Divider
00
4
01
8
10
2
11
Reserved
Table 72. CSB Frequency Options
CFG_CLKIN_DIV
at Reset1
SPMF
csb_clk:
Input Clock Ratio2
Input Clock Frequency (MHz)2
16.67
25
33.33
66.67
csb_clk Frequency (MHz)
Low
0010
2:1
133
Low
0011
3:1
100
200
Low
0100
4:1
100
133
266
Low
0101
5:1
125
166
333
Table 70. System PLL Multiplication Factors (continued)
RCWL[SPMF]
System PLL
Multiplication Factor
相關(guān)PDF資料
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MPC8360VVAGFHA 32-BIT, 400 MHz, RISC PROCESSOR, PBGA740
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