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SX1512BIULTRT Datasheet(PDF) 22 Page - Semtech Corporation |
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SX1512BIULTRT Datasheet(HTML) 22 Page - Semtech Corporation |
22 / 37 page ![]() ADVANCED COMMUNICATIONS & SENSING Rev 4 – 26 th April 2011 22 www.semtech.com SX1511B/SX1512B World’s Lowest Voltage Level Shifting GPIO with LED Driver and Keypad Engine 5 CONFIGURATION REGISTERS 5.1 SX1511B 8-channel GPIO with LED Driver and Keypad Engine Address Name Description Default Device and IO Banks 0x00 RegInputDisable Input buffer disable register 0000 0000 0x01 RegLongSlew Output buffer long slew register 0000 0000 0x02 RegLowDrive Output buffer low drive register 0000 0000 0x03 RegPullUp Pull-up register 0000 0000 0x04 RegPullDown Pull-down register 0000 0000 0x05 RegOpenDrain Open drain register 0000 0000 0x06 RegPolarity Polarity register 0000 0000 0x07 RegDir Direction register 1111 1111 0x08 RegData Data register 1111 1111 * 0x09 RegInterruptMask Interrupt mask register 1111 1111 0x0A RegSenseHigh Sense register for I/O[7:4] 0000 0000 0x0B RegSenseLow Sense register for I/O[3:0] 0000 0000 0x0C RegInterruptSource Interrupt source register 0000 0000 0x0D RegEventStatus Event status register 0000 0000 0x0E RegLevelShifter Level shifter register 0000 0000 0x0F RegClock Clock management register 0000 0000 0x10 RegMisc Miscellaneous device settings register 0000 0000 0x11 RegLEDDriverEnable LED driver enable register 0000 0000 Debounce and Keypad Engine 0x12 RegDebounceConfig Debounce configuration register 0000 0000 0x13 RegDebounceEnable Debounce enable register 0000 0000 0x14 RegKeyConfig Key scan configuration register 0000 0000 0x15 RegKeyData Key value 1111 1111 LED Driver (PWM, blinking, breathing) 0x16 RegIOn0 ON intensity register for I/O[0] 1111 1111 0x17 RegIOn1 ON intensity register for I/O[1] 1111 1111 0x18 RegTOn2 ON time register for I/O[2] 0000 0000 0x19 RegIOn2 ON intensity register for I/O[2] 1111 1111 0x1A RegOff2 OFF time/intensity register for I/O[2] 0000 0000 0x1B RegTOn3 ON time register for I/O[3] 0000 0000 0x1C RegIOn3 ON intensity register for I/O[3] 1111 1111 0x1D RegOff3 OFF time/intensity register for I/O[3] 0000 0000 0x1E RegTRise3 Fade in register for I/O[3] 0000 0000 0x1F RegTFall3 Fade out register for I/O[3] 0000 0000 0x20 RegIOn4 ON intensity register for I/O[4] 1111 1111 0x21 RegIOn5 ON intensity register for I/O[5] 1111 1111 0x22 RegTOn6 ON time register for I/O[6] 0000 0000 0x23 RegIOn6 ON intensity register for I/O[6] 1111 1111 0x24 RegOff6 OFF time/intensity register for I/O[6] 0000 0000 0x25 RegTOn7 ON time register for I/O[7] 0000 0000 0x26 RegIOn7 ON intensity register for I/O[7] 1111 1111 0x27 RegOff7 OFF time/intensity register for I/O[7] 0000 0000 0x28 RegTRise7 Fade in register for I/O[7] 0000 0000 0x29 RegTFall7 Fade out register for I/O[7] 0000 0000 Miscellaneous 0x2A RegHighInput High input enable register 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 7 – SX1511B Configuration Registers Overview |
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