sx8675iwltrt Semtech Corporation, sx8675iwltrt Datasheet - Page 6

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

ADVANCED COMMUNICATIONS & SENSING
1.3
Rev 1 – 25
AUX1/WIPER
MOUTP
MOUTN
MGND
MVDD
X+/BR
Y+/TR
Pin Description
VREG
ADDR
NRST
Name
AUX2
AUX3
NIRQ
X-/TL
Y-/BL
GND
VDD
SDA
SCL
MIN
A/D/I/O/P: Analog/Digital/Power/Input/Output
th
July 2011
Type
DIO
D/A
D/A
D/A
DO
AO
AO
DI
DI
DI
DI
P
P
P
P
P
A
A
A
A
Description
Main Power Supply
Main Ground
Internal Regulator Output (must be connected to an external capacitor; see § 13)
SX8674/75 : Haptics Motor Power Supply
SX8676 : Not used, connect to VDD.
SX8674/75 : Haptics Motor Ground (must be electrically connected to GND)
SX8676 : Not used, connect to GND.
SX8674/75 : Haptics Motor Positive Drive
SX8676 : Not used, do not connect.
SX8674/75 : Haptics Motor Negative Drive
SX8676 : Not used, do not connect.
SX8674/75 : Haptics Motor PWM/Clock Input
SX8676 : Not used, connect to GND.
Second Programmable Auxiliary Function (see § 9)
Third Programmable Auxiliary Function (see § 9)
I2C Address Selection (QFN only, internally connected to GND on CSP)
I2C Clock Input
I2C Data Input/Output
Interrupt Output (active low)
Reset Input (active low)
4-wire Touchscreen : X+ Electrode
5-wire Touchscreen : Bottom Right (BR) Electrode
4-wire Touchscreen : Y+ Electrode
5-wire Touchscreen : Top Right (TR) Electrode
4-wire Touchscreen : X- Electrode
5-wire Touchscreen : Top Left (TL) Electrode
4-wire Touchscreen : Y- Electrode
5-wire Touchscreen : Bottom Left (BL) Electrode
4-wire Touchscreen : First Programmable Auxiliary Function (see § 9)
5-wire Touchscreen : WIPER Electrode
Table 1 – Pin Description
Resistive Touchscreen Controller with Proximity Sensing
6
SX8674/SX8675/SX8676
Haptics Enabled Multitouch 4/5-Wire
www.semtech.com