SX1512BIULTRT Semtech, SX1512BIULTRT Datasheet - Page 4

• Manufacturer Part Number: SX1512BIULTRT
• Description: 16-chan GPIO With Independent I/O Voltages (SPI)
• Manufacturer: Semtech

ADVANCED COMMUNICATIONS & SENSING
1
1.1
Rev 3 – 9
P
IN DESCRIPTION
SX1510B 4-channel SPI GPIO with LED Driver
D/I/O/P: Digital/Input/Output/Power
(*1)
th
This pin is programmable through the SPI interface
Sept. 2010
Pin
10
11
12
14
13
1
2
3
4
5
6
7
8
9
Symbol
NRESET
OSCIO
VDDM
VCC1
NINT
I/O[0]
I/O[1]
I/O[2]
I/O[3]
GND
SCK
NSS
SO
SI
DIO
DIO
Type
DIO
DIO
DIO
DO
DO
DI
DI
DI
DI
P
P
(*1)
(*1)
(*1)
(*1)
(*1)
Figure 1 – SX1510B QFN-UT-14 Pinout
P
Table 1 – SX1510B Pin Description
Description
SPI data input
SPI clock input
Active low reset input
Active low interrupt output
SPI data output (HZ when not used)
SPI slave select input (active low)
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 supply voltage
Ground Pin
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)
Oscillator input/output, can also be used as GPO
Main supply voltage
4
World’s Lowest Voltage Level Shifting GPIO
SX1510B/SX1511B/SX1512B
with LED Driver and Keypad Engine
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