th May 2012 www.semtech.com 4 SX1501/SX1502/SX1503 4/8/16 Channel Lo" />
參數(shù)資料
型號(hào): SX1503I091TRT
廠商: Semtech
文件頁數(shù): 27/32頁
文件大?。?/td> 0K
描述: IC GPIO EXPANDER I2C 16CH 28-QFN
產(chǎn)品培訓(xùn)模塊: Low Voltage GPIO Expander Family
標(biāo)準(zhǔn)包裝: 1
接口: I²C
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時(shí)鐘: 400kHz
電源電壓: 1.2 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(4x4)
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面: 1359 (CN2011-ZH PDF)
其它名稱: SX1503I091DKR
WIRELESS & SENSING
Rev 11 – 16
th May 2012
www.semtech.com
4
SX1501/SX1502/SX1503
4/8/16 Channel Low Voltage GPIO
1
PIN DESCRIPTION
1.1
SX1501 4-channel GPIO
Pin
Symbol
Type
Description
1
NRESET
DIO
Active low reset
2
SDA
DIO
I
2C serial data line
3
NC1
-
Leave open, not connected
4
SCL
DI
I
2C serial clock line
5
I/O[0]
DIO
(*1)
I/O[0], at power-on configured as an input
6
I/O[1]
DIO
(*1)
I/O[1], at power-on configured as an input
7
VCC1
P
I/O supply voltage
8
GND
P
Ground Pin
9
I/O[2]
DIO
(*1)
I/O[2], at power-on configured as an input
High sink I/O.
10
I/O[3]
DIO
(*1)
I/O[3], at power-on configured as an input
High sink I/O.
11
NINT
DO
Active low interrupt output
12
ADDR
DI
Address input, connect to VDDM or GND
13
NC2
-
Leave open, not connected
14
VDDM
P
Main supply voltage
15
NC3
-
Leave open, not connected
16
NC4
-
Leave open, not connected
17
NC7
-
Connect to VCC1
18
GND
P
Ground Pin
19
NC5
-
Leave open, not connected
20
NC6
-
Leave open, not connected
A: Analog
D: Digital
I: Input
O: Output
P: Power
(*1) This pin is programmable through the I
2C interface
Table 1 – SX1501 Pin Description
Figure 1 – SX1501 QFN-UT-20 Pinout
NRESET
SDA
NC1
SCL
I/O[0]
I/
O
[1
]
V
C
1
G
N
D
I/
O
[2
]
I/
O
[3
]
NC3
VDDM
NC2
ADDR
NINT
N
C
6
N
C
5
G
N
D
N
C
7
N
C
4
GND
(PAD)
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