参数资料
型号: SX1509BULTRT
厂商: Semtech
文件页数: 34/41页
文件大小: 0K
描述: IC GPIO EXPANDER I2C 16CH 28QFN
特色产品: SX1508/SX1509 GPIO Expanders
标准包装: 1
接口: I²C
输入/输出数: 16
中断输出:
频率 - 时钟: 400kHz
电源电压: 1.2 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-UFQFN 裸露焊盘
供应商设备封装: 28-QFN-UT(4x4)
包装: 标准包装
包括: LED 驱动器 / 小键盘引擎
其它名称: SX1509IULDKR
SX1509IULDKR-ND
ADVANCED COMMUNICATIONS & SENSING
Rev 1 – 30
th Oct. 2009
4
www.semtech.com
SX1507/SX1508/SX1509
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
1
PIN DESCRIPTION
1.1
SX1507 4-channel I
2C GPIO with LED Driver
Pin
Symbol
Type
Description
X
NRESET
DIO
Active low reset
X
SDA
DIO
I
2C serial data line
X
SCL
DI
I
2C serial clock line
X
ADDR0
DI
Address input bit 0, connect to VDDM or GND
X
ADDR1
DI
Address input bit 1, connect to VDDM or GND
X
NINT
DO
Active low interrupt output
X
OSCIO
DIO
Oscillator input/output, can also be used as GPO
X
VDDM
P
Main supply voltage
X
VCC1
P
I/O supply voltage
X
GND
P
Ground Pin
X
I/O[0]
DIO
(*1)
I/O[0], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
X
I/O[1]
DIO
(*1)
I/O[1], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
X
I/O[2]
DIO
(*1)
I/O[2], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
X
I/O[3]
DIO
(*1)
I/O[3], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
D/I/O/P: Digital/Input/Output/Power
(*1) This pin is programmable through the I2C interface
Table 1 – SX1507 Pin Description
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