th May 2012 www.semtech.com 2 SX1504/SX1505/SX1506 4/8/16 Channel GPI" />
參數(shù)資料
型號： SX1506I091TRT
廠商： Semtech
文件頁數(shù)： 12/31頁
文件大小： 0K
描述： IC GPIO EXP I2C 16CH 28UTQFN
標(biāo)準(zhǔn)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： 2.5 V ~ 5.5 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(yīng)商設(shè)備封裝： 28-QFN-UT（4x4）
包裝： 標(biāo)準(zhǔn)包裝
其它名稱： SX1506I091DKR
WIRELESS & SENSING
Rev 3 – 16
th May 2012
www.semtech.com
2
SX1504/SX1505/SX1506
4/8/16 Channel GPIO
Table of Contents
GENERAL DESCRIPTION ..................................................................................................................... 1
ORDERING INFORMATION................................................................................................................... 1
KEY PRODUCT FEATURES.................................................................................................................. 1
TYPICAL APPLICATIONS ..................................................................................................................... 1
1
PIN DESCRIPTION ...................................................................................................................... 4
1.1
SX1504 4-channel GPIO
4
1.2
SX1505 8-channel GPIO
5
1.3
SX1506 16-channel GPIO
6
2
ELECTRICAL CHARACTERISTICS............................................................................................... 7
2.1
Absolute Maximum Ratings
7
2.2
Electrical Specifications
7
3
TYPICAL OPERATING CHARACTERISTICS ............................................................................... 10
3.1
IDDM vs. VDDM
10
3.2
VOL vs. IOL
10
3.3
VOH vs. IOH
11
4
BLOCK DETAILED DESCRIPTION ............................................................................................. 12
4.1
SX1504 4-channel GPIO
12
4.2
SX1505 8-channel GPIO
12
4.3
SX1506 16-channel GPIO
13
4.4
Reset (NRESET)
13
4.5
2-Wire Interface (I
2C)
14
4.5.1
WRITE
14
4.5.2
READ
15
4.5.3
READ - STOP separated format (SX1504 and SX1505 only)
15
4.6
Interrupt (NINT)
16
4.7
Programmable Logic Functions (PLD)
16
4.7.1
SX1504
16
4.7.2
SX1505
17
4.7.3
SX1506
17
4.7.4
Tutorial
18
5
CONFIGURATION REGISTERS.................................................................................................. 19
5.1
SX1504 4-channel GPIO
19
5.2
SX1505 8-channel GPIO
20
5.3
SX1506 16-channel GPIO
22
6
APPLICATION INFORMATION ................................................................................................... 26
6.1
Typical Application Circuit
26
6.2
Typical LED Operation
26
6.2.1
LED ON/OFF Control
26
6.2.2
LED Intensity Control
27
6.3
Keypad Implementation
27
6.4
Level Shifter Implementation Hints
27
7
PACKAGING INFORMATION ..................................................................................................... 28
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