参数资料
型号: MC7448VU867NC
厂商: Freescale Semiconductor
文件页数: 50/60页
文件大小: 0K
描述: IC MPU RISC 32BIT 360-FCCBGA
标准包装: 44
系列: MPC74xx
处理器类型: 32-位 MPC74xx PowerPC
速度: 867MHz
电压: 1V
安装类型: 表面贴装
封装/外壳: 360-CBGA,FCCBGA
供应商设备封装: 360-FCCBGA(25x25)
包装: 托盘
MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4
54
Freescale Semiconductor
System Design Information
Table 16. Valid Divide Ratio Configurations
DFS mode disabled
DFS divide-by-2 mode enabled
(HID1[DFS2] = 1 or DFS2 =0)
DFS divide-by-4 mode enabled
(HID1[DFS4] = 1 or DFS4 =0)
Bus-to-Core Multiplier
Configured by
PLL_CFG[0:5]
(see Table 12)
HID1[PC0-5] 3
Bus-to-Core
Multiplier
HID1[PC0-5] 3
Bus-to-Core
Multiplier
HID1[PC0-5] 3
2x 4
010000
N/A (unchanged) 1
unchanged 1
N/A (unchanged) 1
unchanged 1
3x 4
100000
N/A (unchanged) 1
unchanged 1
N/A (unchanged) 1
unchanged 1
4x 4
101000
2x 4
010000
N/A (unchanged) 1
unchanged 1
5x
101100
2.5x 4
010101
N/A (unchanged) 1
unchanged 1
5.5x
100100
2.75x 4
110101 2
N/A (unchanged) 1
unchanged 1
6x
110100
3x 4
100000
N/A (unchanged) 1
unchanged 1
6.5x
010100
3.25x 4
100000 2
N/A (unchanged) 1
unchanged 1
7x
001000
3.5x 4
110101
N/A (unchanged) 1
unchanged 1
7.5x
000100
3.75x 4
110101 2
N/A (unchanged) 1
unchanged 1
8x
110000
4x 4
101000 4
2x 4
010000
8.5x
011000
4.25x 4
101000 2
N/A (unchanged) 1
unchanged 1
9x
011110
4.5x 4
011101
2.25x 4
010000 2
9.5x
011100
4.75x 4
011101 2
N/A (unchanged) 1
unchanged 1
10x
101010
5x
101100
2.5x 4
010101
10.5x
100010
5.25x
101100 2
N/A (unchanged) 1
unchanged 1
11x
100110
5.5x
100100
2.75x 4
010101 2
11.5x
000000
5.75x
100100 2
N/A (unchanged) 1
unchanged 1
12x
101110
6x
110100
3x 4
100000
12.5x
111110
6.25x
110100 2
N/A (unchanged) 1
unchanged 1
13x
010110
6.5x
010100
3.25x 4
100000 2
13.5x
111000
6.75
010100 2
N/A (unchanged) 1
unchanged 1
14x
110010
7x
001000
3.5x 4
110101
15x
000110
7.5x
000100
3.75x 4
110101 2
16x
110110
8x
110000
4x 4
101000
17x
000010
8.5x
011000
4.25x 4
101000 2
18x
001010
9x
011110
4.5x 4
011101
20x
001110
10x
101010
5x
101100
21x
010010
10.5x
100010
5.25x
101100 2
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