初步W83782D

目录

1.概述.............................................. 1 ..............................................

2 。 FEATURES.......................................................................................................................2

2.1监测项目.........................................................................................................................2

2.2行动ENABLING .........................................................................................................................2

2.3一般............................................................................................................................................2

2.4包装............................................................................................................................................2

3.主要规格.............................................. .................................................. 0.3

4.引脚配置.............................................. .................................................. ..3

5. PIN DESCRIPTION.........................................................................................................4

6.功能描述.............................................. ........................................ 7

6.1一般DESCRIPTION...................................................................................................................7

6.2 ACCESS INTERFACE..........................................................................................................................7

6.2.1 ISA接口.................................................................................................................................7

6.2.2 I2C interface..................................................................................................................................9

6.2.3显示如下的第一个串行总线访问时序： .................................... ............................... 9

6.2.4 2和图3示出如下的温度的串行总线定时： ................................ ........... 11

6.3模拟输入..............................................................................................................................14

6.3.1监控过4.096V电压： ......................................................................................................15

6.3.2监测负电压： ............................................................................................................15

6.3.3监控温度thermistor:..........................................................................................16

从奔腾IITM热敏二极管或双极型晶体管2N3904 ................. 16 6.3.4温度监控

6.4风扇速度计数和风扇转速控制.......................................... ............................... 17

6.4.1风扇转速计...........................................................................................................................17

6.4.2风扇转速control.........................................................................................................................19

-I-

出版日期： 1999年4月

A1版