sx1511iultrt Semtech Corporation, sx1511iultrt Datasheet - Page 27

• Manufacturer Part Number: sx1511iultrt
• Description: World
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
5.2
Rev 1 – 24
*Bits set as output take “1” as default value.
Device and IO Banks
Debounce and Keypad Engine
LED Driver (PWM, blinking, breathing)
Miscellaneous
Software Reset
Test (not to be written)
SX1511 8-channel GPIO with LED Driver and Keypad Engine
Address
0x0C
0x0D
0x1C
0x1D
0x7D
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0E
0x0F
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
0x1A
0x1B
0x1E
0x1F
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
0x2A
0x7E
0x7F
th
Feb. 2010
Name
RegInputDisable
RegLongSlew
RegLowDrive
RegPullUp
RegPullDown
RegOpenDrain
RegPolarity
RegDir
RegData
RegInterruptMask
RegSenseHigh
RegSenseLow
RegInterruptSource
RegEventStatus
RegLevelShifter
RegClock
RegMisc
RegLEDDriverEnable
RegDebounceConfig
RegDebounceEnable
RegKeyConfig
RegKeyData
RegIOn0
RegIOn1
RegTOn2
RegIOn2
RegOff2
RegTOn3
RegIOn3
RegOff3
RegTRise3
RegTFall3
RegIOn4
RegIOn5
RegTOn6
RegIOn6
RegOff6
RegTOn7
RegIOn7
RegOff7
RegTRise7
RegTFall7
RegHighInput
RegReset
RegTest1
RegTest2
Table 10 – SX1511 Configuration Registers Overview
Description
Input buffer disable register
Output buffer long slew register
Output buffer low drive register
Pull-up register
Pull-down register
Open drain register
Polarity register
Direction register
Data register
Interrupt mask register
Sense register for I/O[7:4]
Sense register for I/O[3:0]
Interrupt source register
Event status register
Level shifter register
Clock management register
Miscellaneous device settings register
LED driver enable register
Debounce configuration register
Debounce enable register
Key scan configuration register
Key value
ON intensity register for I/O[0]
ON intensity register for I/O[1]
ON time register for I/O[2]
ON intensity register for I/O[2]
OFF time/intensity register for I/O[2]
ON time register for I/O[3]
ON intensity register for I/O[3]
OFF time/intensity register for I/O[3]
Fade in register for I/O[3]
Fade out register for I/O[3]
ON intensity register for I/O[4]
ON intensity register for I/O[5]
ON time register for I/O[6]
ON intensity register for I/O[6]
OFF time/intensity register for I/O[6]
ON time register for I/O[7]
ON intensity register for I/O[7]
OFF time/intensity register for I/O[7]
Fade in register for I/O[7]
Fade out register for I/O[7]
High input enable register
Software reset register
Test register
Test register
27
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
SX1510/SX1511/SX1512
www.semtech.com
1111 1111
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
1111 1111
1111 1111
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
1111 1111
1111 1111
1111 1111
0000 0000
1111 1111
0000 0000
0000 0000
1111 1111
0000 0000
0000 0000
0000 0000
1111 1111
1111 1111
0000 0000
1111 1111
0000 0000
0000 0000
1111 1111
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
Default
*