LM8400 National Semiconductor, LM8400 Datasheet - Page 16
LM8400
Manufacturer Part Number
LM8400
Description
Four Wire Resistive Touchscreen Controller with Brownout
Manufacturer
National Semiconductor
Datasheet
1.LM8400.pdf
(20 pages)
- Current page: 16 of 20
- Download datasheet (320Kb)
www.national.com
9.0 Calibration
FIGURE 7. Thirteen Points Calibration Mapping
FIGURE 6. Five Points Calibration Mapping
FIGURE 5. Two Points Calibration Mapping
(Continued)
20037207
20037208
20037209
16
Calibration point Theoretical X-value Theoretical Y-value
Calibration point Theoretical X-value Theoretical Y-value
Calibration point Theoretical X-value Theoretical Y-value
10
11
12
13
1
2
1
2
3
4
5
1
2
3
4
5
6
7
8
9
TABLE 6. Thirteen Points Calibration
TABLE 5. Five Points Calibration
TABLE 4. Two Points Calibration
127
895
127
895
127
511
895
127
895
127
511
895
895
511
127
511
623
623
319
319
127
895
127
895
895
127
127
895
895
127
895
127
319
623
623
319
511
511
511
511
Related parts for LM8400
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
National Semiconductor [8-Bit D/A Converter]
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
National Semiconductor [Media Coprocessor]
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Digitally Controlled Tone and Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage and National 3D Sound
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Digitally Controlled Tone and Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage and National 3D Sound
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
AC97 Rev 2 Codec with Sample Rate Conversion and National 3D Sound
Manufacturer:
National Semiconductor
Part Number:
Description:
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
General Purpose, Low Voltage, Low Power, Rail-to-Rail Output Operational Amplifiers
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
8-bit 20 MSPS flash A/D converter.
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Low Noise Quad Operational Amplifier
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Quad Differential Line Receivers
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Quad High Speed Trapezoidal? Bus Transceiver
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
Dual Line Receiver
Manufacturer:
National Semiconductor
Datasheet:
Part Number:
Description:
TTL to 10k ECL Level Translator with Latch
Manufacturer:
National Semiconductor
Datasheet: