参数资料
型号: MPC8323CVRAFDC
厂商: Freescale Semiconductor
文件页数: 66/82页
文件大小: 0K
描述: IC MPU PWRQUICC II 516-PBGA
产品培训模块: MPC8323E PowerQUICC II Pro Processor
标准包装: 40
系列: MPC83xx
处理器类型: 32-位 MPC83xx PowerQUICC II Pro
速度: 333MHz
电压: 1V
安装类型: 表面贴装
封装/外壳: 516-BBGA
供应商设备封装: 516-FPBGA(27x27)
包装: 托盘
配用: MPC8323E-RDB-ND - BOARD REFERENCE DESIGN
MPC8323E PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 4
Freescale Semiconductor
69
Clocking
22.5
Core PLL Configuration
RCWL[COREPLL] selects the ratio between the internal coherent system bus clock (csb_clk) and the e300
core clock (core_clk). Table 60 shows the encodings for RCWL[COREPLL]. COREPLL values not listed
in Table 60 should be considered reserved.
NOTE
Core VCO frequency = core frequency × VCO divider
VCO divider (RCWL[COREPLL[0:1]]) must be set properly so that the
core VCO frequency is in the range of 500–800 MHz.
Table 60. e300 Core PLL Configuration
RCWL[COREPLL]
core_clk : csb_clk Ratio
VCO Divider
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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