參數(shù)資料
型號(hào): PCX7447AVGH1000NB
廠商: Atmel
文件頁(yè)數(shù): 10/52頁(yè)
文件大小: 0K
描述: IC MPU 32BIT 1000MHZ 360CBGA
標(biāo)準(zhǔn)包裝: 44
處理器類型: PowerPC 32-位 RISC
速度: 1.0GHz
電壓: 1.1V
安裝類型: 表面貼裝
封裝/外殼: 360-CBBGA 裸露焊盤
供應(yīng)商設(shè)備封裝: 360-CBGA(25x25)
包裝: 托盤
18
0833E–HIREL–01/07
PC7447A
e2v semiconductors SAS 2007
6.4.4.5
Bus-to-Core Multiplier Constraints with DFS
DFS is not available for all bus-to-core multipliers as configured by PLL_CFG[0:4] during hard reset.
Specifically, because the PC7447A does not support quarter clock ratios or the 1x multiplier, the DFS
feature is limited to integer PLL multipliers of 4x and higher. The complete listing is shown in Table 6-5
Table 6-5.
Valid Divide Ratio Configurations
Bus-to-Core Multiplier Configured by
PLL_CFG[0:4] (see Table 12-1 on page 39)
Bus-to-Core Multiplier with
HID1[DFS1] = 1 (÷2)
2x
N/A
3x
N/A
4x
2x
5x
2.5x
5.5x
2x
6x
3x
6.5x
N/A
7x
3.5x
7.5x
N/A
8x
4x
8.5x
N/A
9x
4.5x
9.5x
N/A
10x
5x
10.5x
N/A
11x
5.5x
11.5x
N/A
12x
6x
12.5x
N/A
13x
6.5x
13.5x
N/A
14x
7x
15x
7.5x
16x
8x
17x
8.5x
18x
9x
20x
10x
21x
10.5x
24x
12x
28x
14x
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