sx1511iultrt Semtech Corporation, sx1511iultrt Datasheet - Page 5

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

ADVANCED COMMUNICATIONS & SENSING
1.2
Rev 1 – 24
SX1511 8-channel SPI GPIO with LED Driver and Keypad Engine
D/I/O/P: Digital/Input/Output/Power
(*1)
This pin is programmable through the SPI interface
th
Feb. 2010
Pin
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
Symbol
NRESET
OSCIO
VDDM
VCC1
VCC2
I/O[0]
I/O[1]
I/O[2]
I/O[3]
NINT
I/O[4]
I/O[5]
I/O[6]
I/O[7]
GND
GND
SCK
NSS
SO
SI
Type
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
NRESET
DIO
DIO
DO
DO
DI
DI
DI
P
P
P
P
P
I/O[0]
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
SCK
SO
Figure 1 – SX1511 QFN-UT-20 Pinout
SI
Table 2 – SX1511 Pin Description
Description
Active low reset
SPI data output (HZ when not used)
SPI clock input
SPI data input
I/O[0], at power-on configured as an input
LED driver : Intensity control (PWM)
I/O[1], at power-on configured as an input
LED driver : Intensity control (PWM)
Supply voltage for Bank A I/O[3-0]
Ground Pin
I/O[2], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
I/O[3], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
Active low interrupt output
SPI slave select input (active low)
Oscillator input/output, can also be used as GPO
Main supply voltage
I/O[4], at power-on configured as an input
LED driver : Intensity control (PWM)
I/O[5], at power-on configured as an input
LED driver : Intensity control (PWM)
Supply voltage for Bank B I/O[7-4]
Ground Pin
I/O[6], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
I/O[7], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
(PAD)
GND
5
World’s Lowest Voltage Level Shifting GPIO
I/O[4]
VDDM
OSCIO
NSS
NINT
with LED Driver and Keypad Engine
SX1510/SX1511/SX1512
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