LM8500-REF-01 National Semiconductor, LM8500-REF-01 Datasheet - Page 3

• Manufacturer Part Number: LM8500-REF-01
• Description: BOARD EVALUATION LM8500
• Manufacturer: National Semiconductor

Specifications of LM8500-REF-01

• Main Purpose: Interface, Touch Screen Controller
• Utilized Ic / Part: LM8500
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -

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
10.0 Oscillator .................................................................................................................................................. 12
11.0 Power Save Mode (Low Power Stand-by) ............................................................................................... 13
12.0 Averaging Algorithm ................................................................................................................................. 13
13.0 Brownout Reset ........................................................................................................................................ 14
14.0 Calibration ................................................................................................................................................ 15
15.0 Revision History ....................................................................................................................................... 18
16.0 Physical Dimensions ................................................................................................................................ 19
9.1 GENERAL ................................................................................................................................................. 8
9.2 ADVANCED PIN DESCRIPTIONS ............................................................................................................ 8
9.3 USART FRAMING FORMAT ..................................................................................................................... 9
12.1 DELTA ALGORITHM ............................................................................................................................. 13
12.2 FOCUS ALGORITHM ............................................................................................................................ 14
12.3 COMMUNICATION MODES ................................................................................................................. 14
14.1 GENERAL CALIBRATION PROCEDURES .......................................................................................... 16
14.2 CALIBRATION PROCEDURES WITH COORDINATES CHECKING ENABLED ................................. 17
14.3 CALIBRATION PROCEDURES WITH COORDINATES CHECKING DISABLED ................................ 18
9.3.1 Data packet format table ..................................................................................................................... 9
9.3.2 Command Bytes .................................................................................................................................. 9
9.3.3 Advanced Command Bytes Descriptions .......................................................................................... 10
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