参数资料
| 型号： | SX1509BULTRT |
| 厂商： | Semtech |
| 文件页数： | 37/41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： | 是 |
| 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 |
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ADVANCED COMMUNICATIONS & SENSING
Rev 1 – 30
th Oct. 2009
5
www.semtech.com
SX1507/SX1508/SX1509
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
1.2
SX1508 8-channel I
2C GPIO with LED Driver and Keypad Engine
Pin
Symbol
Type
Description
1
NRESET
DIO
Active low reset
2
SDA
DIO
I
2C serial data line
3
SCL
DI
I
2C serial clock line
4
ADDR0
DI
Address input bit 0, connect to VDDM or GND
5
I/O[0]
DIO
(*1)
I/O[0], at power-on configured as an input
LED driver : Intensity control (PWM)
6
I/O[1]
DIO
(*1)
I/O[1], at power-on configured as an input
LED driver : Intensity control (PWM)
7
VCC1
P
Supply voltage for Bank A I/O[3-0]
8
GND
P
Ground Pin
9
I/O[2]
DIO
(*1)
I/O[2], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
10
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)
11
NINT
DO
Active low interrupt output
12
ADDR1
DI
Address input bit 1, connect to VDDM or GND
13
OSCIO
DIO
Oscillator input/output, can also be used as GPO
14
VDDM
P
Main supply voltage
15
I/O[4]
DIO
(*1)
I/O[4], at power-on configured as an input
LED driver : Intensity control (PWM)
16
I/O[5]
DIO
(*1)
I/O[5], at power-on configured as an input
LED driver : Intensity control (PWM)
17
VCC2
P
Supply voltage for Bank B I/O[7-4]
18
GND
P
Ground Pin
19
I/O[6]
DIO
(*1)
I/O[6], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
20
I/O[7]
DIO
(*1)
I/O[7], 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 2 – SX1508 Pin Description
Figure 1 – SX1508 QFN-UT-20 Pinout
NRESET
SDA
SCL
ADDR0
I/O[0]
I/
O
[1
]
V
C
1
G
N
D
I/
O
[2
]
I/
O
[3
]
I/O[4]
VDDM
OSCIO
ADDR1
NINT
I/
O
[7
]
I/
O
[6
]
G
N
D
V
C
2
I/
O
[5
]
GND
(PAD)
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| SX1509EVK | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Worlds Lowest Voltage Level |
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