LM8300IMT9B/NOPB National Semiconductor, LM8300IMT9B/NOPB Datasheet - Page 3
![IC TOUCHSCREEN CTLR 48-TSSOP](/photos/6/59/65904/pkg_mtd48_sml.jpg)
LM8300IMT9B/NOPB
Manufacturer Part Number
LM8300IMT9B/NOPB
Description
IC TOUCHSCREEN CTLR 48-TSSOP
Manufacturer
National Semiconductor
Type
Resistiver
Datasheet
1.LM8500IMT9BNOPB.pdf
(20 pages)
Specifications of LM8300IMT9B/NOPB
Touch Panel Interface
4-Wire
Number Of Inputs/keys
1 TSC
Resolution (bits)
10 b
Data Interface
UART
Data Rate/sampling Rate (sps, Bps)
38.4k
Voltage - Supply
2.7 V ~ 5.5 V
Current - Supply
11.5mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
48-TSSOP
Voltage Supply Source
Single Supply
For Use With
LM8300-REF-01 - BOARD EVALUATION LM8300
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Sampling Rate (per Second)
-
Other names
LM8300IMT9B
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM8300IMT9B/NOPB
Manufacturer:
NS/TI
Quantity:
8
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
Table of Contents
3
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