th Oct. 2009 2 www.semtech.com SX1507/SX1508/SX1509 Wo" />
參數(shù)資料
型號： SX1509BULTRT
廠商： Semtech
文件頁數(shù)： 12/41頁
文件大?。?/td> 0K
描述： IC GPIO EXPANDER I2C 16CH 28QFN
特色產(chǎn)品： SX1508/SX1509 GPIO Expanders
標準包裝： 1
接口： I²C
輸入/輸出數(shù)： 16
中斷輸出： 是
頻率 - 時鐘： 400kHz
電源電壓： 1.2 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 28-UFQFN 裸露焊盤
供應商設備封裝： 28-QFN-UT（4x4）
包裝： 標準包裝
包括： LED 驅(qū)動器 / 小鍵盤引擎
其它名稱： SX1509IULDKR
SX1509IULDKR-ND
ADVANCED COMMUNICATIONS & SENSING
Rev 1 – 30
th Oct. 2009
2
www.semtech.com
SX1507/SX1508/SX1509
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
Table of Contents
GENERAL DESCRIPTION ..................................................................................................................... 1
ORDERING INFORMATION................................................................................................................... 1
KEY PRODUCT FEATURES.................................................................................................................. 1
TYPICAL APPLICATIONS ..................................................................................................................... 1
1
PIN DESCRIPTION ...................................................................................................................... 4
1.1
SX1507 4-channel I
2C GPIO with LED Driver
4
1.2
SX1508 8-channel I
2C GPIO with LED Driver and Keypad Engine
5
1.3
SX1509 16-channel I
2C GPIO with LED Driver and Keypad Engine
6
1.4
I/Os Feature Summary
7
2
ELECTRICAL CHARACTERISTICS............................................................................................... 8
2.1
Absolute Maximum Ratings
8
2.2
Electrical Specifications
8
3
TYPICAL OPERATING CHARACTERISTICS ............................................................................... 11
4
BLOCK DETAILED DESCRIPTION ............................................................................................. 12
4.1
SX1507 4-channel I
2C GPIO with LED Driver
12
4.2
SX1508 8-channel I
2C GPIO with LED Driver and Keypad Engine
12
4.3
SX1509 16-channel I
2C GPIO with LED Driver and Keypad Engine
13
4.4
Reset
13
4.4.1
Hardware (NRESET)
13
4.4.2
Software (RegReset)
14
4.5
2-Wire Interface (I
2C)
14
4.5.1
WRITE
14
4.5.2
READ
15
4.6
I/O Banks
15
4.6.1
Input Debouncer
15
4.6.2
Keypad Scanning Engine
16
4.6.3
Level Shifter
16
4.6.4
Polarity Inverter
18
4.7
Interrupt (NINT)
18
4.8
Clock Management
18
4.9
LED Driver
18
4.9.1
Overview
18
4.9.2
Static Mode
19
4.9.3
Single Shot Mode
20
4.9.4
Blink Mode
20
4.9.5
LED Driver Modes
20
4.9.6
Synchronization of LED Drivers across several ICs
21
4.9.7
Tutorial
22
5
CONFIGURATION REGISTERS.................................................................................................. 23
5.1
SX1507 4-channel GPIO with LED Driver
23
5.2
SX1508 8-channel GPIO with LED Driver and Keypad Engine
26
5.3
SX1509 16-channel GPIO with LED Driver and Keypad Engine
30
6
APPLICATION INFORMATION ................................................................................................... 36
6.1
Typical Application Circuit
36
6.2
Typical LED Connection
36
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相關代理商/技術參數(shù)
參數(shù)描述
SX1509EVK 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Worlds Lowest Voltage Level
SX1509IULTRT 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Worlds Lowest Voltage Level
SX1509QB 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:World’s Lowest Voltage Level Shifting GPIO with LED Driver and Keypad Engine
SX1509QBIULTRT 制造商:Semtech Corporation 功能描述:Voltage Level Shifting GPIO with LED Driver 28-Pin QFN-UT EP T/R 制造商:Semtech Corporation 功能描述:IC ESD/EMI PROT DIODE 制造商:Semtech Corporation 功能描述:16 CHAN LOW VOLT GPIO + PWM
SX150A 功能描述:板上安裝壓力/力傳感器 0 to 150psia BUTTON UNAMP ABSOLUTE 12V RoHS:否 制造商:Honeywell 工作壓力:0 bar to 4 bar 壓力類型:Gage 準確性:+ / - 0.25 % 輸出類型:Digital 安裝風格:Through Hole 工作電源電壓:5 V 封裝 / 箱體:SIP 端口類型:Dual Radial Barbed, Same sides
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