SX1508QBIULTRT Semtech, SX1508QBIULTRT Datasheet - Page 2

• Manufacturer Part Number: SX1508QBIULTRT
• Description: 8-chan GPIO W/ LED Driver & Keypad Engine (I2C)
• Manufacturer: Semtech

ADVANCED COMMUNICATIONS & SENSING
G
O
K
T
1
2
3
4
5
6
Rev 3 – 9
YPICAL
EY
ENERAL
RDERING
1.1
1.2
1.3
1.4
2.1
2.2
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5.1
5.2
5.3
6.1
6.2
P
P
E
T
B
4.4.1
4.4.2
4.5.1
4.5.2
4.6.1
4.6.2
4.6.3
4.6.4
4.9.1
4.9.2
4.9.3
4.9.4
4.9.5
4.9.6
4.9.7
C
A
RODUCT
YPICAL
IN DESCRIPTION
LECTRICAL
LOCK
ONFIGURATION
PPLICATION
th
A
SX1507QB 4-channel I
SX1508QB 8-channel I
SX1509QB 16-channel I
I/Os Feature Summary
Absolute Maximum Ratings
Electrical Specifications
SX1507QB 4-channel I
SX1508QB 8-channel I
SX1509QB 16-channel I
Reset
2-Wire Interface (I
I/O Banks
Interrupt (NINT)
Clock Management
LED Driver
SX1507QB 4-channel GPIO with LED Driver
SX1508QB 8-channel GPIO with LED Driver and Keypad Engine
SX1509QB 16-channel GPIO with LED Driver and Keypad Engine
Typical Application Circuit
Typical LED Connection
Sept. 2010
D
PPLICATIONS
I
ESCRIPTION
NFORMATION
D
Hardware (NRESET)
Software (RegReset)
WRITE
READ
Input Debouncer
Keypad Scanning Engine
Level Shifter
Polarity Inverter
Overview
Static Mode
Single Shot Mode
Blink Mode
LED Driver Modes
Synchronization of LED Drivers across several ICs
Tutorial
O
ETAILED
F
PERATING
EATURES
C
I
NFORMATION
HARACTERISTICS
R
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D
..................................................................................................................... 1
..................................................................................................................... 1
EGISTERS
................................................................................................................... 1
ESCRIPTION
.................................................................................................................. 1
2
C
C)
HARACTERISTICS
2
2
2
2
C GPIO with LED Driver
C GPIO with LED Driver and Keypad Engine
C GPIO with LED Driver
C GPIO with LED Driver and Keypad Engine
2
2
C GPIO with LED Driver and Keypad Engine
C GPIO with LED Driver and Keypad Engine
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Table of Contents
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2
SX1507QB/SX1508QB/SX1509QB
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
www.semtech.com
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