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73S1217F-IMR/F 参数 Datasheet PDF下载

73S1217F-IMR/F图片预览
型号: 73S1217F-IMR/F
PDF下载: 下载PDF文件 查看货源
内容描述: 总线供电80515的系统级芯片, USB , ISO 7816 / EMV ,密码键盘和更多 [Bus-Powered 80515 System-on-Chip with USB, ISO 7816 / EMV, PINpad and More]
分类和应用: 多功能外围设备微控制器和处理器时钟
文件页数/大小: 140 页 / 1066 K
品牌: TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
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DS_1217F_002  
73S1217F Data Sheet  
Clock Control Register (CKCON): 0x8E Å 0x01  
Table 78: The CKCON Register  
MSB  
LSB  
CKWT.2 CKWT.1 CKWT.0  
Bit  
Symbol  
Function  
CKCON.7  
CKCON.6  
CKCON.5  
CKCON.4  
CKCON.3  
These three bits determine the number of wait states (machine cycles) to  
insert when accessing the USB SFRs:  
000 = 0 (not to be used).  
CKCON.2  
CKCON.1  
CKWT.2  
CKWT.1  
001 = 1 wait state.  
Use when MPU clock is <12MHz.  
010 = 2 wait states. Use when MPU clock is between 12 and 16MHz.  
011 = 3 wait states. Use when MPU clock is 24MHz.  
100 = 4 wait states.  
101 = 5 wait states.  
110 = 6 wait states.  
CKCON.0  
CKWT.0  
111 = 7 wait states.  
Rev. 1.2  
77  
 
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