參數資料
型號: MPC8323EVRAFDC
廠商: Freescale Semiconductor
文件頁數: 68/82頁
文件大?。?/td> 0K
描述: IC MPU POWERQUICC II 516-PBGA
產品培訓模塊: MPC8323E PowerQUICC II Pro Processor
標準包裝: 40
系列: MPC83xx
處理器類型: 32-位 MPC83xx PowerQUICC II Pro
速度: 333MHz
電壓: 1V
安裝類型: 表面貼裝
封裝/外殼: 516-BBGA
供應商設備封裝: 516-FPBGA(27x27)
包裝: 托盤
配用: MPC8323E-RDB-ND - BOARD REFERENCE DESIGN
MPC8323E PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 4
70
Freescale Semiconductor
Clocking
22.6
QUICC Engine PLL Configuration
The QUICC Engine PLL is controlled by the RCWL[CEPMF] and RCWL[CEPDF] parameters. Table 61
shows the multiplication factor encodings for the QUICC Engine PLL.
The RCWL[CEVCOD] denotes the QUICC Engine PLL VCO internal frequency as shown in Table 62.
NOTE
The VCO divider (RCWL[CEVCOD]) must be set properly so that the
QUICC Engine VCO frequency is in the range of 300–600 MHz. The
QUICC Engine frequency is not restricted by the CSB and core frequencies.
The CSB, core, and QUICC Engine frequencies should be selected
according to the performance requirements.
The QUICC Engine VCO frequency is derived from the following
equations:
ce_clk = (primary clock input × CEPMF)
÷ (1 + CEPDF)
QUICC Engine VCO Frequency = ce_clk × VCO divider × (1 + CEPDF)
Table 61. QUICC Engine PLL Multiplication Factors
RCWL[CEPMF]
RCWL[CEPDF]
QUICC Engine PLL Multiplication
Factor = RCWL[CEPMF]/
(1 + RCWL[CEPDF)
00000–00001
0
Reserved
00010
0
× 2
00011
0
× 3
00100
0
× 4
00101
0
× 5
00110
0
× 6
00111
0
× 7
01000
0
× 8
01001–11111
0
Reserved
Table 62. QUICC Engine PLL VCO Divider
RCWL[CEVCOD]
VCO Divider
00
4
01
8
10
2
11
Reserved
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MPC8323EVRAFDCA 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Integrated Communications Processor Family Hardware Specifications
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MPC8323EZQAFDCA 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Integrated Communications Processor Family Hardware Specifications