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SX1512BIULTRT Datasheet(PDF) 5 Page - Semtech Corporation

Part No. SX1512BIULTRT
Description  World’s Lowest Voltage Level Shifting GPIO with LED Driver and Keypad Engine
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Maker  SEMTECH [Semtech Corporation]
Homepage  http://www.semtech.com
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SX1512BIULTRT Datasheet(HTML) 5 Page - Semtech Corporation

 
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ADVANCED COMMUNICATIONS & SENSING
Rev 4 – 26
th April 2011
5
www.semtech.com
SX1511B/SX1512B
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
1.2
SX1512B 16-channel SPI GPIO with LED Driver and Keypad Engine
Pin
Symbol
Type
Description
1
I/O[2]
DIO
(*1)
I/O[2], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
2
I/O[3]
DIO
(*1)
I/O[3], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
3
GND
P
Ground Pin
4
VCC1
P
Supply voltage for Bank A I/O[7-0]
5
I/O[4]
DIO
(*1)
I/O[4], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
6
I/O[5]
DIO
(*1)
I/O[5], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
7
I/O[6]
DIO
(*1)
I/O[6], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
8
I/O[7]
DIO
(*1)
I/O[7], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
9
NINT
DO
Active low interrupt output
10
NSS
DI
SPI slave select input (active low)
11
OSCIO
DIO
(*1)
Oscillator input/output, can also be used as GPO
12
VDDM
P
Main supply voltage
13
I/O[8]
DIO
(*1)
I/O[8], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
14
I/O[9]
DIO
(*1)
I/O[9], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
15
I/O[10]
DIO
(*1)
I/O[10], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
16
I/O[11]
DIO
(*1)
I/O[11], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
17
GND
P
Ground Pin
18
VCC2
P
Supply voltage for Bank B I/O[15-8]
19
I/O[12]
DIO
(*1)
I/O[12], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
20
I/O[13]
DIO
(*1)
I/O[13], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
21
I/O[14]
DIO
(*1)
I/O[14], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
22
I/O[15]
DIO
(*1)
I/O[15], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
23
NRESET
DI
Active low reset input
24
SO
DO
SPI data output (HZ when not used)
25
SCK
DI
SPI clock input
26
SI
DI
SPI data input
27
I/O[0]
DIO
(*1)
I/O[0], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
28
I/O[1]
DIO
(*1)
I/O[1], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
D/I/O/P: Digital/Input/Output/Power
(*1) This pin is programmable through the SPI interface
Table 2 – SX1512B Pin Description
Figure 2 – SX1512B QFN-UT-28 Pinout
I/O[2]
I/O[3]
GND
VCC1
I/O[4]
I/O[5]
I/O[6]
I/O[14]
I/O[13]
I/O[12]
VCC2
GND
I/O[11]
I/O[10]
TOP VIEW
GND
(PAD)
21
20
19
18
17
16
15
1
2
3
4
5
6
7


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