sx1511iultrt Semtech Corporation, sx1511iultrt Datasheet - Page 4

• Manufacturer Part Number: sx1511iultrt
• Description: World
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
1
1.1
Rev 1 – 24
P
IN DESCRIPTION
SX1510 4-channel SPI GPIO with LED Driver
D/I/O/P: Digital/Input/Output/Power
(*1)
This pin is programmable through the SPI interface
th
Pin
Feb. 2010
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Symbol
NRESET
OSCIO
VDDM
VCC1
NINT
I/O[0]
I/O[1]
I/O[2]
I/O[3]
GND
NSS
SCK
SO
SI
Type
DIO
DIO
DIO
DIO
DIO
DIO
DO
DO
DI
DI
DI
P
P
P
(*1)
(*1)
(*1)
(*1)
Table 1 – SX1510 Pin Description
Description
Active low reset
SPI slave select input (active low)
SPI clock input
SPI data input
SPI data output (HZ when not used)
Active low interrupt output
Oscillator input/output, can also be used as GPO
Main supply voltage
I/O supply voltage
Ground Pin
I/O[0], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
I/O[1], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
I/O[2], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
I/O[3], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
4
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
SX1510/SX1511/SX1512
www.semtech.com