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F20 Datasheet(PDF) 97 Page - List of Unclassifed Manufacturers

Part # F20
Description  8-ch normal DMA controllers and 8-ch dedicated DMA controllers
PDF  111 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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F20 Datasheet(HTML) 97 Page - List of Unclassifed Manufacturers

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Boxchip F20 Datasheet
Boxchip. All rights reserved.
Ver 1.01
Page 97
34.
Touch Panel
34.1.
TP Description
TPADC is 11-bit for touch screen application or for normal ADC application. The TPADC can
work up to maximum conversion rate of 8 KHz. The TPADC can also used for 4-channels
normal ADC application.
Touch Panel Controller’s features are listed below:
Interrupt support
11-bit Resolution
Voltage input range between 0V to 2/3AVCC(2.0V)
Sample rate up to 128K
32-level FIFO for touch Panel data
Software configured sample FIFO trigger level
Software configured sample period for Touch Screen application
4 channels auxiliary analog input for normal ADC application
Normal DMA support
34.2.
Touch Panel Signal Description
Table 34-1. Touch Panel Signal Description
Signal
Name
Description
Type
Pin
Name
Ball#
X1
Touch Pane ADC input(11bit)
AI
X1
U13
X2
Touch Pane ADC input(11bit)
AI
X2
T13
Y1
Touch Pane ADC input(11bit)
AI
Y1
R13
Y2
Touch Pane ADC input(11bit)
AI
Y2
P13



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