sx1511b Semtech Corporation, sx1511b Datasheet - Page 6

• Manufacturer Part Number: sx1511b
• Description: World??s Lowest Voltage Level Shifting Gpio With Driver Keypad Engine
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
1.3
Rev 3 – 9
D/I/O/P: Digital/Input/Output/Power
(*1)
SX1512B 16-channel SPI GPIO with LED Driver and Keypad Engine
This pin is programmable through the SPI interface
th
Sept. 2010
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
Symbol
NRESET
OSCIO
I/O[10]
I/O[11]
I/O[12]
I/O[13]
I/O[14]
I/O[15]
VDDM
VCC1
VCC2
I/O[2]
I/O[3]
I/O[4]
I/O[5]
I/O[6]
I/O[7]
I/O[8]
I/O[9]
I/O[0]
I/O[1]
GND
NINT
GND
NSS
SCK
SO
SI
Type
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DO
DO
DI
DI
DI
DI
P
P
P
P
P
VCC1
I/O[2]
I/O[3]
I/O[4]
I/O[5]
I/O[6]
GND
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
Figure 3 – SX1512B QFN-UT-28 Pinout
Table 3 – SX1512B Pin Description
Description
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
Ground Pin
Supply voltage for Bank A I/O[7-0]
I/O[4], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
I/O[5], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
I/O[6], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
I/O[7], 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[8], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
I/O[9], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
I/O[10], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
I/O[11], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
Ground Pin
Supply voltage for Bank B I/O[15-8]
I/O[12], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
I/O[13], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
I/O[14], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
I/O[15], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
Active low reset input
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), Blinking
I/O[1], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
1
2
3
4
5
6
7
TOP VIEW
(PAD)
GND
6
World’s Lowest Voltage Level Shifting GPIO
SX1510B/SX1511B/SX1512B
21
20
19
18
17
16
15
I/O[14]
I/O[13]
I/O[12]
VCC2
GND
I/O[11]
I/O[10]
with LED Driver and Keypad Engine
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