SX1503I091TRT Semtech, SX1503I091TRT Datasheet - Page 26

• Manufacturer Part Number: SX1503I091TRT
• Description: IC GPIO EXPANDER I2C 16CH 28-QFN
• Manufacturer: Semtech

Specifications of SX1503I091TRT

• Interface: I²C
• Number Of I /o: 16
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 1.2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-UFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SX1503I091TR

Addr
0xAD
0x2A
0x2B
0x27
0x28
0x29
ADVANCED COMMUNICATIONS & SENSING
Rev 9 – 5
Name
RegPLDTable2A
RegPLDTable3B
RegPLDTable3A
RegPLDTable4B
RegPLDTable4A
RegAdvanced
th
August 2010
Default
Table 17 – SX1503 Configuration Registers Description
0x00
0x00
0x00
0x00
0x00
0x00
Bits
7:3
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
2
1
0
Value to be output on I/O[11] when I/O[10:8] = 101
Value to be output on I/O[11] when I/O[10:8] = 100
Value to be output on I/O[11] when I/O[10:8] = 011
Value to be output on I/O[11] when I/O[10:8] = 010
Value to be output on I/O[11] when I/O[10:8] = 001
Value to be output on I/O[11] when I/O[10:8] = 000
Value to be output on I/O[3] when I/O[2:0] = 111
Value to be output on I/O[3] when I/O[2:0] = 110
Value to be output on I/O[3] when I/O[2:0] = 101
Value to be output on I/O[3] when I/O[2:0] = 100
Value to be output on I/O[3] when I/O[2:0] = 011
Value to be output on I/O[3] when I/O[2:0] = 010
Value to be output on I/O[3] when I/O[2:0] = 001
Value to be output on I/O[3] when I/O[2:0] = 000
Value to be output on I/O[11] when I/O[10:8] = 111
Value to be output on I/O[11] when I/O[10:8] = 110
Value to be output on I/O[11] when I/O[10:8] = 101
Value to be output on I/O[11] when I/O[10:8] = 100
Value to be output on I/O[11] when I/O[10:8] = 011
Value to be output on I/O[11] when I/O[10:8] = 010
Value to be output on I/O[11] when I/O[10:8] = 001
Value to be output on I/O[11] when I/O[10:8] = 000
Value to be output on I/O[3] when I/O[2:0] = 111
Value to be output on I/O[3] when I/O[2:0] = 110
Value to be output on I/O[3] when I/O[2:0] = 101
Value to be output on I/O[3] when I/O[2:0] = 100
Value to be output on I/O[3] when I/O[2:0] = 011
Value to be output on I/O[3] when I/O[2:0] = 010
Value to be output on I/O[3] when I/O[2:0] = 001
Value to be output on I/O[3] when I/O[2:0] = 000
Value to be output on I/O[12] when I/O[10:8] = 111
Value to be output on I/O[12] when I/O[10:8] = 110
Value to be output on I/O[12] when I/O[10:8] = 101
Value to be output on I/O[12] when I/O[10:8] = 100
Value to be output on I/O[12] when I/O[10:8] = 011
Value to be output on I/O[12] when I/O[10:8] = 010
Value to be output on I/O[12] when I/O[10:8] = 001
Value to be output on I/O[12] when I/O[10:8] = 000
Value to be output on I/O[4] when I/O[2:0] = 111
Value to be output on I/O[4] when I/O[2:0] = 110
Value to be output on I/O[4] when I/O[2:0] = 101
Value to be output on I/O[4] when I/O[2:0] = 100
Value to be output on I/O[4] when I/O[2:0] = 011
Value to be output on I/O[4] when I/O[2:0] = 010
Value to be output on I/O[4] when I/O[2:0] = 001
Value to be output on I/O[4] when I/O[2:0] = 000
Reserved. Must be set to 0 (default value)
Autoclear NINT on RegData read (Cf. §4.6)
0: OFF.RegInterruptSource must be manually cleared directly or via RegEventStatus
1: ON.RegInterruptSource is automatically cleared when RegDataB or RegDataA is read
Boost Mode (Cf. §2.2.1)
0: OFF
1: ON
Reserved. Must be set to 0 (default value)
26
4/8/16 Channel Low Voltage GPIO
Description
SX1501/SX1502/SX1503
3-to-1 mode
Applies only when
PLDModeLowA is set to PLD
3-to-1 mode
Applies only when
PLDModeLowB is set to PLD
3-to-2 mode
Applies only when
PLDModeLowA is set to PLD
3-to-2 mode
Applies only when
PLDModeLowB is set to PLD
3-to-2 mode
Applies only when
PLDModeLowA is set to PLD
3-to-2 mode
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