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S93463SB 参数 Datasheet PDF下载

S93463SB图片预览
型号: S93463SB
PDF下载: 下载PDF文件 查看货源
内容描述: 精密电源电压监控和复位控制器 [Precision Supply-Voltage Monitor and Reset Controller]
分类和应用: 监控控制器
文件页数/大小: 14 页 / 150 K
品牌: SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
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S93462/S93463  
Ready/Busy Status  
During the internal write operation the S93462/463 memory array is inaccessible. After starting the write operation  
(taking CS low) the host can implement a 10ms timeout routine or alternatively it can employ a polling routine that tests  
the state of the DO pin.  
After starting the write, testing for the status is easily accomplished by taking CS high and testing the state of DO. If  
it is low the device is still busy with the internal write. If it is high the write operation has completed.  
For the polling routine the host has the option of toggling CS for each test of DO, or it can place CS high and then  
intermittently test DO. SK is not required for any of these operations. Once the device is ready, it will continue to drive  
DO high whenever the S93462/463 is selected. The ready state of DO can be cleared by clocking in a start bit; this  
start bit can either be the beginning of a new command sequence or it can be a dummy start bit with CS returning low  
before the host issues a new command.  
SK  
CS  
STATUS VERIFY  
t
CS  
DI  
t
t
SV  
HZ  
HIGH-Z  
DO  
BUSY  
READY  
HIGH-Z  
STATUS CLEARED  
t
EW  
2021 ILL 13 1.0  
12  
2021 4.2 1/23/01  
Summit Microelectronics, Inc.