sx1508bevk Semtech Corporation, sx1508bevk Datasheet - Page 4

• Manufacturer Part Number: sx1508bevk
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
1
1.1
Rev 3 – 9
P
IN DESCRIPTION
SX1507B 4-channel I
D/I/O/P: Digital/Input/Output/Power
(*1)
th
This pin is programmable through the I
Sept. 2010
Pin
10
11
12
14
13
1
2
3
4
5
6
7
8
9
Symbol
NRESET
ADDR0
ADDR1
OSCIO
VDDM
VCC1
NINT
I/O[0]
I/O[1]
I/O[2]
I/O[3]
GND
SDA
SCL
2
C GPIO with LED Driver
DIO
DIO
DIO
DIO
DIO
Type
DIO
DO
DI
DI
DI
DI
P
P
P
(*1)
(*1)
(*1)
(*1)
(*1)
Figure 1 – SX1507B QFN-UT-14 Pinout
Table 1 – SX1507B Pin Description
Description
I
I
Active low reset input
Active low interrupt output
Address input bit 0, connect to VDDM or GND
Address input bit 1, connect to VDDM or GND
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
2
2
2
C interface
C serial data line
C serial clock line
4
World’s Lowest Voltage Level Shifting GPIO
SX1507B/SX1508B/SX1509B
with LED Driver and Keypad Engine
www.semtech.com