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SI1005 参数 Datasheet PDF下载

SI1005图片预览
型号: SI1005
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  
SFR Definition 13.2. FLKEY: Flash Lock and Key  
Bit  
7
6
5
4
3
2
1
0
FLKEY[7:0]  
R/W  
Name  
Type  
Reset  
0
0
0
0
0
0
0
0
SFR Page = 0x0; SFR Address = 0xB6  
Bit Name  
Function  
7:0 FLKEY[7:0] Flash Lock and Key Register.  
Write:  
This register provides a lock and key function for Flash erasures and writes. Flash  
writes and erases are enabled by writing 0xA5 followed by 0xF1 to the FLKEY regis-  
ter. Flash writes and erases are automatically disabled after the next write or erase is  
complete. If any writes to FLKEY are performed incorrectly, or if a Flash write or erase  
operation is attempted while these operations are disabled, the Flash will be perma-  
nently  
locked from writes or erasures until the next device reset. If an application never  
writes to Flash, it can intentionally lock the Flash by writing a non-0xA5 value to  
FLKEY from software.  
Read:  
When read, bits 1–0 indicate the current Flash lock state.  
00: Flash is write/erase locked.  
01: The first key code has been written (0xA5).  
10: Flash is unlocked (writes/erases allowed).  
11: Flash writes/erases disabled until the next reset.  
Rev. 1.0  
149