sx8675iwltrt Semtech Corporation, sx8675iwltrt Datasheet - Page 3

• Manufacturer Part Number: sx8675iwltrt
• Description: Haptics Enabled Multitouch 4/5-wire Resistive Touchscreen Controller With Proximity Sensing
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
6
7
8
9
10
11
12
13
14
Rev 1 – 25
5.4
6.1
6.2
6.3
6.4
8.1
8.2
8.3
10.1
10.2
10.3
11.1
11.2
11.3
11.4
11.5
11.6
13.1
13.2
13.3
14.1
14.2
5.3.4
5.3.5
5.3.6
5.4.1
5.4.2
5.4.3
H
6.2.1
6.2.2
6.2.3
6.3.1
6.3.2
6.3.3
T
I
8.2.1
8.2.2
8.2.3
A
R
I2C I
R
A
13.3.1
13.3.2
P
NTERRUPT
EMPERATURE
ACKAGING
APTICS
UXILIARY
ESET
EGISTERS
PPLICATION
th
Host Operation
Introduction
ERM Load
LRA Load
Short-Circuit Protection
Introduction
Registers Overview
Host Procedure
Hardware (POR and NRST)
Software (RegReset)
ESD Event (RESETSTAT)
Introduction
I2C Address
Write Register
Read Register
Write Command (Touchscreen Interface)
Read Channel (Touchscreen Interface)
Typical Application Circuit
External Components Recommended Values
Multitouch Gestures
QFN Package
CSP Package
NTERFACE
July 2011
...................................................................................................................................... 43
PROXAVG Update
PROXDIFF Update
PROXSTAT Update
General Description
Proximity Sensing vs Touch Operations
Minimum Scan Period (i.e. PROXSCANPERIOD)
Introduction
PWM Mode
I2C Mode
Introduction
PWM Mode
I2C Mode
RegIrqMsk
RegIrqSrc
RegStat
Pinch/Stretch
Rotate
I
NTERFACE
P
(NIRQ) .................................................................................................................. 41
D
INS
I
NFORMATION
ETAILED
I
NFORMATION
........................................................................................................................ 44
S
(AUX1/AUX2/AUX3)...................................................................................... 42
ENSOR
(SX8674/75) .......................................................................................... 37
D
.......................................................................................................... 40
ESCRIPTION
..................................................................................................... 62
................................................................................................... 60
...................................................................................... 48
Resistive Touchscreen Controller with Proximity Sensing
3
SX8674/SX8675/SX8676
Haptics Enabled Multitouch 4/5-Wire
www.semtech.com
31
33
33
34
34
34
36
37
37
37
38
38
38
38
39
39
39
41
41
41
41
41
41
43
43
43
44
44
44
45
45
46
60
60
60
60
61
62
63