參數(shù)資料
型號： LM8300IVA9
廠商： National Semiconductor Corporation
英文描述： Four Wire Resistive Touchscreen Controller with Brownout
中文描述： 四線電阻式觸摸屏控制器掉電
文件頁數(shù)： 3/20頁
文件大?。?/td> 327K
代理商： LM8300IVA9
Table of Contents
1.0 General Description ..................................................................................................................................... 1
2.0 Features ....................................................................................................................................................... 1
3.0 Block Diagram .............................................................................................................................................. 2
4.0 Ordering Information .................................................................................................................................... 2
5.0 Connection Diagrams ................................................................................................................................... 4
6.0 Pin Descriptions ........................................................................................................................................... 5
7.0 Absolute Maximum Ratings ......................................................................................................................... 7
8.0 Electrical Characteristics .............................................................................................................................. 7
9.0 Functional Description .................................................................................................................................. 8
9.1 GENERAL ................................................................................................................................................. 8
9.2 ADVANCED PIN DESCRIPTIONS ............................................................................................................ 8
9.3 USART FRAMING FORMAT ..................................................................................................................... 9
9.3.1 Data packet format table ..................................................................................................................... 9
9.3.2 Command Bytes .................................................................................................................................. 9
9.3.3 Advanced Command Bytes Descriptions .......................................................................................... 10
10.0 Oscillator .................................................................................................................................................. 12
11.0 Power Save Mode (Low Power Stand-by) ............................................................................................... 13
12.0 Averaging Algorithm ................................................................................................................................. 13
12.1 DELTA ALGORITHM ............................................................................................................................. 13
12.2 FOCUS ALGORITHM ............................................................................................................................ 14
12.3 COMMUNICATION MODES ................................................................................................................. 14
13.0 Brownout Reset ........................................................................................................................................ 14
14.0 Calibration ................................................................................................................................................ 15
14.1 GENERAL CALIBRATION PROCEDURES .......................................................................................... 16
14.2 CALIBRATION PROCEDURES WITH COORDINATES CHECKING ENABLED ................................. 17
14.3 CALIBRATION PROCEDURES WITH COORDINATES CHECKING DISABLED ................................ 18
15.0 Revision History ....................................................................................................................................... 18
16.0 Physical Dimensions ................................................................................................................................ 19
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