sx150x_89b-datasheet

ADVANCED COMMUNICATIONS & SENSING
Rev 4 – 26
th
April 2011 27 www.semtech.com
SX1508B/SX1509B
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
Address Name Description Default
0x39
RegTFall4
Fade out register for I/O[4] 0000 0000
0x3A
RegTOn5
ON time register for I/O[5] 0000 0000
0x3B
RegIOn5
ON intensity register for I/O[5] 1111 1111
0x3C
RegOff5
OFF time/intensity register for I/O[5] 0000 0000
0x3D
RegTRise5
Fade in register for I/O[5] 0000 0000
0x3E
RegTFall5
Fade out register for I/O[5] 0000 0000
0x3F
RegTOn6
ON time register for I/O[6] 0000 0000
0x40
RegIOn6
ON intensity register for I/O[6] 1111 1111
0x41
RegOff6
OFF time/intensity register for I/O[6] 0000 0000
0x42
RegTRise6
Fade in register for I/O[6] 0000 0000
0x43
RegTFall6
Fade out register for I/O[6] 0000 0000
0x44
RegTOn7
ON time register for I/O[7] 0000 0000
0x45
RegIOn7
ON intensity register for I/O[7] 1111 1111
0x46
RegOff7
OFF time/intensity register for I/O[7] 0000 0000
0x47
RegTRise7
Fade in register for I/O[7] 0000 0000
0x48
RegTFall7
Fade out register for I/O[7] 0000 0000
0x49
RegTOn8
ON time register for I/O[8] 0000 0000
0x4A
RegIOn8
ON intensity register for I/O[8] 1111 1111
0x4B
RegOff8
OFF time/intensity register for I/O[8] 0000 0000
0x4C
RegTOn9
ON time register for I/O[9] 0000 0000
0x4D
RegIOn9
ON intensity register for I/O[9] 1111 1111
0x4E
RegOff9
OFF time/intensity register for I/O[9] 0000 0000
0x4F
RegTOn10
ON time register for I/O[10] 0000 0000
0x50
RegIOn10
ON intensity register for I/O[10] 1111 1111
0x51
RegOff10
OFF time/intensity register for I/O[10] 0000 0000
0x52
RegTOn11
ON time register for I/O[11] 0000 0000
0x53
RegIOn11
ON intensity register for I/O[11] 1111 1111
0x54
RegOff11
OFF time/intensity register for I/O[11] 0000 0000
0x55
RegTOn12
ON time register for I/O[12] 0000 0000
0x56
RegIOn12
ON intensity register for I/O[12] 1111 1111
0x57
RegOff12
OFF time/intensity register for I/O[12] 0000 0000
0x58
RegTRise12
Fade in register for I/O[12] 0000 0000
0x59
RegTFall12
Fade out register for I/O[12] 0000 0000
0x5A
RegTOn13
ON time register for I/O[13] 0000 0000
0x5B
RegIOn13
ON intensity register for I/O[13] 1111 1111
0x5C
RegOff13
OFF time/intensity register for I/O[13] 0000 0000
0x5D
RegTRise13
Fade in register for I/O[13] 0000 0000
0x5E
RegTFall13
Fade out register for I/O[13] 0000 0000
0x5F
RegTOn14
ON time register for I/O[14] 0000 0000
0x60
RegIOn14
ON intensity register for I/O[14] 1111 1111
0x61
RegOff14
OFF time/intensity register for I/O[14] 0000 0000
0x62
RegTRise14
Fade in register for I/O[14] 0000 0000
0x63
RegTFall14
Fade out register for I/O[14] 0000 0000
0x64
RegTOn15
ON time register for I/O[15] 0000 0000
0x65
RegIOn15
ON intensity register for I/O[15] 1111 1111
0x66
RegOff15
OFF time/intensity register for I/O[15] 0000 0000
0x67
RegTRise15
Fade in register for I/O[15] 0000 0000
0x68
RegTFall15
Fade out register for I/O[15] 0000 0000
Miscellaneous
0x69
RegHighInputB
High input enable register - I/O[15-8] (Bank B) 0000 0000
0x6A
RegHighInputA
High input enable register - I/O[7-0] (Bank A) 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 10 – SX1509B Configuration Registers Overview