SX1502(2008) データシートの表示（PDF） - Semtech Corporation
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SX1502 Datasheet PDF : 34 Pages
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SX1501/SX1502/SX1503
4/8/16 Channel Low Voltage GPIO
ADVANCED COMMUNICATIONS & SENSING
1.2 SX1502 8-channel GPIO
Pin Symbol Type Description
A: Analog
D: Digital
I: Input
O: Output
P: Power
1
NRESET
2
SDA
3
NC1
4
SCL
5
I/O[0]
6
I/O[1]
7
VCC1
8
GND
9
I/O[2]
10
I/O[3]
11
NINT
12
ADDR
13
NC2
14
VDDM
15
I/O[4]
16
I/O[5]
17
VCC2
18
GND
19
I/O[6]
20
I/O[7]
DIO
DIO
-
DI
DIO (*1)
DIO (*1)
P
P
DIO (*1)
DIO (*1)
DO
DI
-
P
DIO (*1)
DIO (*1)
P
P
DIO (*1)
DIO (*1)
Active low reset
I2C serial data line
Leave open, not connected
I2C serial clock line
I/O[0], at power-on configured as an input
I/O[1], at power-on configured as an input
Supply voltage for Bank A I/O[0-3]
Ground Pin
I/O[2], at power-on configured as an input
High sink I/O.
I/O[3], at power-on configured as an input
High sink I/O.
Active low interrupt output
Address input, connect to VDDM or GND
Leave open, not connected
Main supply voltage
I/O[4], at power-on configured as an input
I/O[5], at power-on configured as an input
Supply voltage for Bank B I/O[4-7]
Ground Pin
I/O[6], at power-on configured as an input
I/O[7], at power-on configured as an input
(*1) This pin is programmable through the I2C interface
Table 2 – SX1502 Pin Description
NRESET
SDA
NC1
SCL
I/O[0]
GND
(PAD)
I/O[4]
VDDM
NC2
ADDR
NINT
Figure 2 – SX1502 QFN-UT-20 Pinout
Rev 7 – 2nd Oct. 2008
5
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