参数资料
型号: ST40RA200XH6E
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 200 MHz, RISC PROCESSOR, PBGA372
封装: 27 X 27 MM, 2.33 MM HEIGHT, PLASTIC, BGA-372
文件页数: 42/94页
文件大小: 2144K
代理商: ST40RA200XH6E
6 Clock generation
ST40RA
47/92
6.2
Recommended operating modes
6.3
Clocks and registers at start up
Table 17: Supported operating frequencies
Mode for
CLOCKGENA and
CLOCKGENB
PLL
frequency
(MHz)
ST40RA clock domain frequencies (MHz)
PLLA
(mode)
PLLB
(mode)
PLLA
PLLB
CPU_
CLK
STBUS_
CLK
PER_
CLK
LMI_
CLK
EMI_SS_
CLK
PCI_SS_
CLK
Recommended reset configuration
0
-
200
-
100
50
25
50
Alternate reset configuration
1
-
266
-
133
88
44
88
2
-
300
-
150
100
50
100
3
-
332
-
166
111
66
111
Recommended operating modes
2
-
300
-
150
100
3
-
332
-
166
83
Low power configuration with clocks enabled (programmable after reset)
A6
bypass
-
27
-
13.5
6.75
Reset
mode
Reset
mode
MODE[2:0]
CLOCKGENA
.PLL1CR1
reset value
CLOCKGENA
core
frequency
(PLL1)
fPLL/2
CLK1
CPU_
CLK
CLK2
STBUS_
CLK
CLK3
PER_
CLK
CLK4
LMI_
CLK
0
000
0x7939 8612
200 MHz
100
1
1/2
1/4
1/2
1
001
0x7939 B112
266 MHz
133
1
2/3
1/3
2/3
2
010
0x7938 6412
300 MHz
150
1
2/3
1/3
2/3
3
011
0x7938 7B14
332 MHz
166
1
2/3
1/3
2/3
4
100
0x7938 8612
400 MHz
200
1
1/2
1/4
1/2
5
101
0x7938 A712
500 MHz
250
1
1/2
1/4
1/2
6
110
0x0938 0000
0 MHz
0
1
1/2
7
111
0x0939 8612
200 MHz
100
1/2
1/4
Table 18: CLOCKGENA PLL1 reset values
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