sx1508bevk Semtech Corporation, sx1508bevk Datasheet - Page 6

• Manufacturer Part Number: sx1508bevk
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
1.3
Rev 3 – 9
SX1509B 16-channel I
(*1)
This pin is programmable through the I
th
Sept. 2010
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
Symbol
NRESET
ADDR1
ADDR0
OSCIO
VDDM
I/O[10]
I/O[11]
I/O[12]
I/O[13]
I/O[14]
I/O[15]
VCC1
VCC2
I/O[2]
I/O[3]
I/O[4]
I/O[5]
I/O[6]
I/O[7]
NINT
I/O[8]
I/O[9]
I/O[0]
I/O[1]
GND
GND
SDA
SCL
2
C GPIO with LED Driver and Keypad Engine
DIO
Type
VCC1
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
DIO
I/O[2]
I/O[3]
I/O[4]
I/O[5]
I/O[6]
DIO
GND
DO
DI
DI
DI
DI
P
P
P
P
P
(*1)
Figure 3 – SX1509B QFN-UT-28 Pinout
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
(*1)
Table 3 – SX1509B Pin Description
1
2
3
4
5
6
7
2
C interface
Description
I/O[2], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
I/O[3], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
Ground Pin
Supply voltage for Bank A I/O[7-0]
I/O[4], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
I/O[5], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
I/O[6], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
I/O[7], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
Active low interrupt output
Address input bit 1, connect to VDDM or GND
Oscillator input/output, can also be used as GPO
Main supply voltage
I/O[8], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
I/O[9], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
I/O[10], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
I/O[11], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
Ground Pin
Supply voltage for Bank B I/O[15-8]
I/O[12], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
I/O[13], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
I/O[14], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
I/O[15], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking, Breathing (Fade In/Out)
Active low reset input
I
I
Address input bit 0, connect to VDDM or GND
I/O[0], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
I/O[1], at power-on configured as an input
LED driver : Intensity control (PWM), Blinking
2
2
C serial data line
C serial clock line
TOP VIEW
(PAD)
GND
6
World’s Lowest Voltage Level Shifting GPIO
SX1507B/SX1508B/SX1509B
21
20
19
18
17
16
15
with LED Driver and Keypad Engine
I/O[14]
I/O[13]
I/O[12]
VCC2
GND
I/O[11]
I/O[10]
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