AR1010 Microchip Technology, Inc., AR1010 Datasheet - Page 4

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AR1010

Manufacturer Part Number
AR1010
Description
Manufacturer
Microchip Technology, Inc.
Datasheet

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DS41393A-Page iv
8
9
10
Figure 1: Block Diagram................................................................................................................................ 2
Figure 2 : Pin Diagrams – SOIC / SSOP and QFN Packages..................................................................... 3
Figure 3 : Main Schematic (SOIC, SSOP package pin out) ........................................................................ 4
Figure 4 : 4-wire Touch Sensor Interface..................................................................................................... 5
Figure 5 : 5-wire Touch Sensor Interface..................................................................................................... 6
Figure 6 : 8-wire Touch Sensor Interface..................................................................................................... 7
Figure 7 : I
Figure 8 : I
Figure 9 : I
Figure 10 : I
Figure 11 : SPI Timing Diagram – Bit Timing............................................................................................... 9
Figure 12 : SPI Timing Diagram – Touch Report Protocol ........................................................................10
Figure 13 : SPI Timing Diagram – Command Protocol.............................................................................. 10
Figure 14: 4-Wire Decoding ........................................................................................................................ 26
Figure 15: 8-Wire Decoding ........................................................................................................................ 27
Figure 16: 5-Wire Decoding ........................................................................................................................ 28
Figure 17 : 20 Lead SOIC Package ........................................................................................................... 30
Figure 18 : 20 Lead SSOP Package.......................................................................................................... 31
Figure 19 : 20 Lead QFN Package ............................................................................................................ 32
Table 1: Ordering Part Numbers................................................................................................................... 2
Table 2: Pin Descriptions .............................................................................................................................. 3
Table 3 : Bill of Materials.............................................................................................................................. 4
Table 4 : 4/8-wire vs 5-wire Selection .......................................................................................................... 5
Table 5 : Communication Selection ............................................................................................................. 8
Table 6 : Communication Pins ..................................................................................................................... 8
Table 7 : Touch Coordinate Reporting Protocol......................................................................................... 11
Table 8 : Configuration Registers .............................................................................................................. 12
Table 9 : Command Set Summary............................................................................................................. 18
Table 10 : Sensor Comparison .................................................................................................................. 25
8.1
8.2
8.3
8.4
8.5
8.6
9.1
10.1
10.2
10.3
BASICS OF RESISTIVE SENSORS ................................................................................................... 25
ELECTRICAL SPECIFICATIONS........................................................................................................ 29
PACKAGING .................................................................................................................................... 30
T
G
4-W
8-W
5-W
S
A
20 L
20 L
20 L
ERMINOLOGY
UMMARY
BSOLUTE
ENERAL
2
2
2
C Timing Diagram – Receive Data............................................................................................ 8
C Timing Diagram – Transmit Data........................................................................................... 8
C Timing Diagram – Touch Report Protocol ............................................................................. 9
2
IRE
IRE
IRE
EAD
EAD
EAD
C Timing Diagram – Command Protocol................................................................................. 9
S
S
S
SOIC ...............................................................................................................................................30
SSOP ..............................................................................................................................................31
QFN (ML) ........................................................................................................................................32
ENSOR
ENSOR
ENSOR
.......................................................................................................................................................25
......................................................................................................................................................28
M
AXIMUM
................................................................................................................................................25
.............................................................................................................................................26
.............................................................................................................................................27
.............................................................................................................................................28
R
ATINGS
(†).....................................................................................................................29
FIGURES
TABLES
© 2009 Microchip Technology, Inc.

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