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SI1005-C-GM 参数 Datasheet PDF下载

SI1005-C-GM图片预览
型号: SI1005-C-GM
PDF下载: 下载PDF文件 查看货源
内容描述: 超低功耗, 64/32 KB , 10位ADC, MCU ,集成了240-960兆赫的EZRadioPRO收发器 [Ultra Low Power, 64/32 kB, 10-Bit ADC MCU with Integrated 240-960 MHz EZRadioPRO Transceiver]
分类和应用:
文件页数/大小: 376 页 / 2369 K
品牌: SILICON [ SILICON ]
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Si1000/1/2/3/4/5  
10.2. Special Function Registers  
The special function register used for configuring XRAM access is EMI0CN.  
SFR Definition 10.1. EMI0CN: External Memory Interface Control  
Bit  
7
6
5
4
3
2
1
0
PGSEL[3:0]  
R/W  
Name  
Type  
Reset  
R
0
R
0
R
0
R
0
0
0
0
0
SFR Page = 0x0; SFR Address = 0xAA  
Bit  
7:4  
3:0  
Name  
Unused  
PGSEL  
Function  
Read = 0000b; Write = Don’t Care.  
XRAM Page Select.  
The EMI0CN register provides the high byte of the 16-bit external data memory  
address when using an 8-bit MOVX command, effectively selecting a 256-byte page  
of RAM. Since the upper (unused) bits of the register are always zero, EMI0CN deter-  
mines which page of XRAM is accessed.  
For Example:  
If EMI0CN = 0x01, addresses 0x0100 through 0x01FF will be accessed.  
If EMI0CN = 0x0F, addresses 0x0F00 through 0x0FFF will be accessed.  
122  
Rev. 1.0