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SX1512BIULTRT Datasheet(PDF) 24 Page - Semtech Corporation

Part No. SX1512BIULTRT
Description  World’s Lowest Voltage Level Shifting GPIO with LED Driver and Keypad Engine
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Maker  SEMTECH [Semtech Corporation]
Homepage  http://www.semtech.com
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SX1512BIULTRT Datasheet(HTML) 24 Page - Semtech Corporation

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ADVANCED COMMUNICATIONS & SENSING
Rev 3 – 9
th Sept. 2010
24
www.semtech.com
SX1510B/SX1511B/SX1512B
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
5
CONFIGURATION REGISTERS
5.1
SX1510B 4-channel GPIO with LED Driver
Address
Name
Description
Default
Device and IO Banks
0x00
RegInputDisable
Input buffer disable register
XXXX 0000
0x01
RegLongSlew
Output buffer long slew register
XXXX 0000
0x02
RegLowDrive
Output buffer low drive register
XXXX 0000
0x03
RegPullUp
Pull-up register
XXXX 0000
0x04
RegPullDown
Pull-down register
XXXX 0000
0x05
RegOpenDrain
Open drain register
XXXX 0000
0x06
RegPolarity
Polarity register
XXXX 0000
0x07
RegDir
Direction register
XXXX 1111
0x08
RegData
Data register
XXXX 1111
*
0x09
RegInterruptMask
Interrupt mask register
XXXX 1111
0x0A
RegSense
Sense register
0000 0000
0x0B
RegInterruptSource
Interrupt source register
XXXX 0000
0x0C
RegEventStatus
Event status register
XXXX 0000
0x0D
RegClock
Clock management register
0000 0000
0x0E
RegMisc
Miscellaneous device settings register
0000 0000
0x0F
RegLEDDriverEnable
LED driver enable register
XXXX 0000
Debounce
0x10
RegDebounceConfig
Debounce configuration register
0000 0000
0x11
RegDebounceEnable
Debounce enable register
XXXX 0000
LED Driver (PWM, blinking, breathing)
0x12
RegTOn0
ON time register for I/O[0]
0000 0000
0x13
RegIOn0
ON intensity register for I/O[0]
1111 1111
0x14
RegOff0
OFF time/intensity register for I/O[0]
0000 0000
0x15
RegTOn1
ON time register for I/O[1]
0000 0000
0x16
RegIOn1
ON intensity register for I/O[1]
1111 1111
0x17
RegOff1
OFF time/intensity register for I/O[1]
0000 0000
0x18
RegTRise1
Fade in register for I/O[1]
0000 0000
0x19
RegTFall1
Fade out register for I/O[1]
0000 0000
0x1A
RegTOn2
ON time register for I/O[2]
0000 0000
0x1B
RegIOn2
ON intensity register for I/O[2]
1111 1111
0x1C
RegOff2
OFF time/intensity register for I/O[2]
0000 0000
0x1D
RegTRise2
Fade in register for I/O[2]
0000 0000
0x1E
RegTFall2
Fade out register for I/O[2]
0000 0000
0x1F
RegTOn3
ON time register for I/O[3]
0000 0000
0x20
RegIOn3
ON intensity register for I/O[3]
1111 1111
0x21
RegOff3
OFF time/intensity register for I/O[3]
0000 0000
0x22
RegTRise3
Fade in register for I/O[3]
0000 0000
0x23
RegTFall3
Fade out register for I/O[3]
0000 0000
Software Reset
0x7D
RegReset
Software reset register
0000 0000
Test (not to be written)
0x7E
RegTest1
Test register
0000 0000
0x7F
RegTest2
Test register
0000 0000
*Bits set as output take “1” as default value.
Table 8 – SX1510B Configuration Registers Overview


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