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56F8367_09 参数 Datasheet PDF下载

56F8367_09图片预览
型号: 56F8367_09
PDF下载: 下载PDF文件 查看货源
内容描述: 16位数字信号控制器 [16-bit Digital Signal Controllers]
分类和应用: 控制器
文件页数/大小: 182 页 / 1852 K
品牌: FREESCALE [ Freescale ]
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Table 2-2 Signal and Package Information for the 160-Pin LQFP and MBGA (Continued)  
State  
During  
Reset  
Signal  
Name  
Pin  
No.  
Ball No.  
Type  
Signal Description  
EXTBOOT  
124  
B11  
Schmitt  
Input  
Input,  
pull-up  
enabled  
External Boot — This input is tied to VDD to force the device to  
boot from off-chip memory (assuming that the on-chip Flash  
memory is not in a secure state). Otherwise, it is tied to ground.  
For details, see Table 4-4.  
Note: When this pin is tied low, the customer boot software  
should disable the internal pull-up resistor by setting the XBOOT  
bit of the SIM_PUDR; see Part 6.5.6.  
EMI_MODE  
159  
B2  
Schmitt  
Input  
Input,  
pull-up  
enabled  
External Memory Mode — This input is tied to VDD in order to  
enable an extra four address lines, for a total of 20 address lines  
out of reset. This function is also affected by EXTBOOT and the  
Flash security mode. For details, see Table 4-4.  
If a 20-bit address bus is not desired, then this pin is tied to  
ground.  
Note: When this pin is tied low, the customer boot software  
should disable the internal pull-up resistor by setting the  
EMI_MODE bit of the SIM_PUDR; see Part 6.5.6.  
56F8367 Technical Data, Rev. 9  
38  
Freescale Semiconductor  
Preliminary  
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