sx1511iultrt Semtech Corporation, sx1511iultrt Datasheet - Page 30
sx1511iultrt
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sx1511iultrt
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World
Manufacturer
Semtech Corporation
Datasheet
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0xXX
0x2A
0x7D
ADVANCED COMMUNICATIONS & SENSING
Rev 1 – 24
RegTFallX
RegHighInput
RegReset
th
Feb. 2010
Table 11 – SX1511 Configuration Registers Description
0x00
0x00
0x00
7:5
4:0
7:0
7:0
Unused
Fade Out setting of IO[X]
0 : OFF
1 - 15 : TFallX = (RegIOnX-(4xRegOffX[2:0])) * RegTFallX * (255/ClkX)
16 - 31 : TFallX = 16 * (RegIOnX-(4xRegOffX[2:0])) * RegTFallX * (255/ClkX)
Enables high input mode for each [input-configured] IO
0 : OFF. VIH max = 3.6V and VCCx min = 1.2V
1 : ON. VIH max = 5.5V and VCCx min = 1.65V
Software reset register
Writing consecutively 0x12 and 0x34 will reset the device (same as POR)
Always reads 0.
30
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
SX1510/SX1511/SX1512
www.semtech.com
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