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7906 参数 Datasheet PDF下载

7906图片预览
型号: 7906
PDF下载: 下载PDF文件 查看货源
内容描述: 16位单片机 [16-BIT SINGLE-CHIP MICROCOMPUTER]
分类和应用: 计算机
文件页数/大小: 531 页 / 3056 K
品牌: RENESAS [ RENESAS TECHNOLOGY CORP ]
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APPENDIX  
Appendix 2. Control registers  
Timer mode  
(b15)  
b7  
(b8)  
b0 b7  
Timer B0 register (Addresses 5116, 5016)  
Timer B1 register (Addresses 5316, 5216)  
Timer B2 register (Addresses 5516, 5416)  
b0  
Bit  
Function  
Any value in the range from “000016” to “FFFF16” can be set.  
At reset R/W  
Reference  
8-9  
15 to 0  
Undefined RW  
Assuming that the set value = n, the counter divides the count source frequency by (n + 1).  
When reading, the register indicates the counter value.  
Note: Reading from or writing to this register must be performed in a unit of 16 bits.  
b7 b6 b5 b4 b3 b2 b1 b0  
Timer Bi mode register (i = 0 to 2) (Addresses 5B16 to 5D16)  
X
X X 0 0  
X
Bit  
0
Bit name  
Function  
At reset R/W  
Reference  
b1 b0  
8-9  
Operating mode select bits  
0
0
0
0
0
RW  
RW  
RW  
RW  
RW  
0 0 : Timer mode  
1
These bits are invalid in timer mode.  
2
3
4
This bit is invalid in timer mode; its value is undefined at reading.  
5
Undefined RO  
b7 b6  
8-7  
Count source select bits  
6
7
0
0
RW  
RW  
0 0 : f2  
0 1 : f16  
1 0 : f64  
1 1 : f512  
X : It may be either “0” or “1.”  
7906 Group User’s Manual Rev.2.0  
20-26  
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