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M32180F8TFP 参数 Datasheet PDF下载

M32180F8TFP图片预览
型号: M32180F8TFP
PDF下载: 下载PDF文件 查看货源
内容描述: 32位RISC单芯片微型计算机M32R系列M32R / ECU系列 [32-Bit RISC Single-Chip Microcomputers M32R Family M32R/ECU Series]
分类和应用: 计算机
文件页数/大小: 839 页 / 3694 K
品牌: RENESAS [ RENESAS TECHNOLOGY CORP ]
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RESET  
7.3 Internal State Immediately after Reset  
7
7.3 Internal State Immediately after Reset  
The table below lists the internal state of the microcomputer immediately after it has gotten out of a reset state. For  
details about the initial register state of each internal peripheral I/O, see each section in this manual in which the  
relevant internal peripheral I/O is described.  
Table 7.3.1 Internal State Immediately after Reset  
Register  
PSW  
CBR  
State after Reset  
(CR0)  
(CR1)  
(CR2)  
(CR3)  
(CR6)  
(CR7)  
B'0000 0000 0000 0000 ??00 000? 0000 0000 (BSM, BIE, BC bits = undefined)  
H'0000 0000 (C bits = 0)  
SPI  
Undefined  
SPU  
Undefined  
BPC  
Undefined  
FPSR  
PC  
H'0000 0100 (Only DN bit = 1)  
H'0000 0000 (Executed beginning with the address H’0000 0000) (Note 1)  
R0–R15  
Undefined  
ACC (accumulator)  
RAM  
Undefined  
Undefined when reset at power-on. (However, if the RAM is gotten out of reset after  
returning from backup mode, it retains the content it had before being reset.)  
Note 1: When in boot mode, the CPU executes the boot program.  
7.4 Things to Be Considered after Reset  
• Input/output ports  
After reset, the microcomputer’s input/output ports are disabled against input in order to prevent current from  
flowing through the port. To use any ports in input mode, set the Port Input Special Function Control Register  
(PICNT) PIEN0 bit to enable them for input. For details, see Section 8.3, “Input/Output Port Related Registers.”  
32180 Group User’s Manual (Rev.1.0)  
7-4