参数资料
型号: MPC8313ZQADDB
厂商: Freescale Semiconductor
文件页数: 80/99页
文件大小: 0K
描述: MPU POWERQUICC II PRO 516-PBGA
标准包装: 40
系列: MPC83xx
处理器类型: 32-位 MPC83xx PowerQUICC II Pro
速度: 267MHz
电压: 0.95 V ~ 1.05 V
安装类型: 表面贴装
封装/外壳: 516-BBGA 裸露焊盘
供应商设备封装: 516-PBGAPGE(27x27)
包装: 托盘
MPC8313E PowerQUICC II Pro Processor Hardware Specifications, Rev. 4
Freescale Semiconductor
81
20.2
Core PLL Configuration
RCWL[COREPLL] selects the ratio between the internal coherent system bus clock (csb_clk) and the e300
core clock (core_clk). This table shows the encodings for RCWL[COREPLL]. COREPLL values that are
not listed in this table should be considered as reserved.
NOTE
Core VCO frequency = core frequency
VCO divider. The VCO divider,
which is determined by RCWLR[COREPLL], must be set properly so that
the core VCO frequency is in the range of 400–800 MHz.
Table 67. e300 Core PLL Configuration
RCWL[COREPLL]
core_clk : csb_clk Ratio1
VCO Divider (VCOD)3
0–1
2–5
6
nn
0000
0
PLL bypassed
(PLL off, csb_clk clocks core directly)
PLL bypassed
(PLL off, csb_clk clocks core directly)
11
nnnn
nn/a
n/a
00
0001
01:1
2
01
0001
01:1
4
10
0001
01:1
8
00
0001
1
1.5:1
2
01
0001
1
1.5:1
4
10
0001
1
1.5:1
8
00
0010
02:1
2
01
0010
02:1
4
10
0010
02:1
8
00
0010
1
2.5:1
2
01
0010
1
2.5:1
4
10
0010
1
2.5:1
8
00
0011
03:1
2
01
0011
03:1
4
10
0011
03:1
8
Note:
1. For core_clk:csb_clk ratios of 2.5:1 and 3:1, the core_clk must not exceed its maximum operating frequency of 333 MHz.
2. Core VCO frequency = core frequency
VCO divider. Note that VCO divider has to be set properly so that the core VCO
frequency is in the range of 400–800 MHz.
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