th Oct. 2009 2 www.semtech.com SX1507/SX1508/SX1509 Wo" />
參數(shù)資料
型號(hào)： SX1508IULTRT
廠商： Semtech
文件頁(yè)數(shù)： 12/41頁(yè)
文件大小： 0K
描述： IC GPIO EXPANDER I2C 8CH 20QFN
特色產(chǎn)品： SX1508/SX1509 GPIO Expanders
標(biāo)準(zhǔn)包裝： 1
接口： I²C
輸入/輸出數(shù)： 8
中斷輸出： 是
頻率 - 時(shí)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： 20-UFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 20-QFN-UT（3x3）
包裝： 標(biāo)準(zhǔn)包裝
包括： LED 驅(qū)動(dòng)器 / 小鍵盤引擎
其它名稱： SX1508IULDKR
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(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SX1508QB 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
SX1508QBIULTRT 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
SX1509BEVK 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
SX1509BIULTRT 制造商:Semtech Corporation 功能描述: 制造商:Semtech Corporation 功能描述:IC GPIO EXPANDER I2C 16CH 28QFN 制造商:Semtech Corporation 功能描述:Low Voltage Level Shifting GPIO with LED Driver and Keypad Engine 制造商:Semtech Corporation 功能描述:16 CHAN LOW VOLT I2C GPIO +PWM
SX1509BULTRT 功能描述:IC GPIO EXPANDER I2C 16CH 28QFN RoHS:是 類別:集成電路 (IC) >> 接口 - I/O 擴(kuò)展器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 接口:I²C，JTAG 輸入/輸出數(shù):9 中斷輸出:無(wú) 頻率 - 時(shí)鐘:400kHz 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 包括:EEPROM
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