欢迎访问ic37.com |
会员登录 免费注册
发布采购

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 ]
 浏览型号7906的Datasheet PDF文件第122页浏览型号7906的Datasheet PDF文件第123页浏览型号7906的Datasheet PDF文件第124页浏览型号7906的Datasheet PDF文件第125页浏览型号7906的Datasheet PDF文件第127页浏览型号7906的Datasheet PDF文件第128页浏览型号7906的Datasheet PDF文件第129页浏览型号7906的Datasheet PDF文件第130页  
TIMER A  
7.4 Event counter mode  
7.4.2 Operation in event counter mode  
When the count start bit is set to 1,the counter starts counting of the count sources valid edge.  
When a counter underflow or overflow occurs, the reload registers contents are reloaded, and counting  
continues.  
The timer Aj interrupt request bit is set to 1at the underflow or overflow in .  
The interrupt request bit remains set to 1until the interrupt request is accepted or until the interrupt  
request bit is cleared to 0by software.  
Figure 7.4.4 shows an example of operation in the event counter mode.  
FFFF16  
Starts counting.  
n
000016  
Time  
Set to 1by software.  
Count start bit  
Set to 1by software.  
Up-down bit  
Timer Aj interrupt  
request bit  
Cleared to 0when interrupt request is accepted or cleared by software.  
n : Reload registers contents  
Note: The above applies when the up-down bits contents are selected as the up-down switching factor (i.e., up-down  
switching factor select bit = 0).  
Fig. 7.4.4 Example of operation in event counter mode (without pulse output and two-phase pulse  
signal processing functions)  
7906 Group Users Manual Rev.2.0  
7-23