th Oct. 2009 6 www.semtech.com SX1507/SX1508/SX1509 Wo" />
參數(shù)資料
型號： SX1509BULTRT
廠商： Semtech
文件頁數(shù)： 38/41頁
文件大?。?/td> 0K
描述： IC GPIO EXPANDER I2C 16CH 28QFN
特色產(chǎn)品： SX1508/SX1509 GPIO Expanders
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： 1.2 V ~ 3.6 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
包括： LED 驅(qū)動器 / 小鍵盤引擎
其它名稱： SX1509IULDKR
SX1509IULDKR-ND
ADVANCED COMMUNICATIONS & SENSING
Rev 1 – 30
th Oct. 2009
6
www.semtech.com
SX1507/SX1508/SX1509
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
1.3
SX1509 16-channel I
2C GPIO with LED Driver and Keypad Engine
Pin
Symbol
Type
Description
1
I/O[2]
DIO
(*1)
I/O[2], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
2
I/O[3]
DIO
(*1)
I/O[3], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
3
GND
P
Ground Pin
4
VCC1
P
Supply voltage for Bank A I/O[7-0]
5
I/O[4]
DIO
(*1)
I/O[4], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
6
I/O[5]
DIO
(*1)
I/O[5], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
7
I/O[6]
DIO
(*1)
I/O[6], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
8
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)
9
NINT
DO
Active low interrupt output
10
ADDR1
DI
Address input bit 1, connect to VDDM or GND
11
OSCIO
DO
Oscillator input/output, can also be used as GPO
12
VDDM
P
Main supply voltage
13
I/O[8]
DIO
(*1)
I/O[8], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
14
I/O[9]
DIO
(*1)
I/O[9], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
15
I/O[10]
DIO
(*1)
I/O[10], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
16
I/O[11]
DIO
(*1)
I/O[11], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
17
GND
P
Ground Pin
18
VCC2
P
Supply voltage for Bank B I/O[15-8]
19
I/O[12]
DIO
(*1)
I/O[12], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
20
I/O[13]
DIO
(*1)
I/O[13], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
21
I/O[14]
DIO
(*1)
I/O[14], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
22
I/O[15]
DIO
(*1)
I/O[15], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
23
NRESET
DIO
Active low reset
24
SDA
DIO
I
2C serial data line
25
SCL
DI
I
2C serial clock line
26
ADDR0
DI
Address input bit 0, connect to VDDM or GND
27
I/O[0]
DIO
(*1)
I/O[0], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
28
I/O[1]
DIO
(*1)
I/O[1], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
(*1) This pin is programmable through the I2C interface
Table 3 – SX1509 Pin Description
Figure 2 – SX1509 QFN-UT-28 Pinout
I/O[2]
I/O[3]
GND
VCC1
I/O[4]
I/O[5]
I/O[6]
I/
O
[7
]
N
IN
T
A
D
R
1
O
S
C
IO
V
D
M
I/
O
[8
]
I/
O
[9
]
I/O[14]
I/O[13]
I/O[12]
VCC2
GND
I/O[11]
I/O[10]
I/
O
[1
]
I/
O
[0
]
A
D
R
0
S
C
L
S
D
A
N
R
E
S
E
T
I/
O
[1
5
]
TOP VIEW
GND
(PAD)
21
20
19
18
17
16
15
2
8
2
7
2
6
2
5
2
4
2
3
2
8
9
1
0
1
2
1
3
1
4
1
2
3
4
5
6
7
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