SX1504I087TRT Semtech, SX1504I087TRT Datasheet - Page 24

• Manufacturer Part Number: SX1504I087TRT
• Description: IC GPIO EXPANDER I2C 4CH 20QFN
• Manufacturer: Semtech

Specifications of SX1504I087TRT

• Interface: I²C
• Number Of I /o: 4
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SX1504I087TR

Addr
0x21
0x22
0x23
0x24
0x25
0x26
ADVANCED COMMUNICATIONS & SENSING
Rev 2 – 30
Name
RegPLDModeB
RegPLDModeA
RegPLDTable0B
RegPLDTable0A
RegPLDTable1B
RegPLDTable1A
RegPLDTable2B
th
August 2010
Default
0x00
0x00
0x00
0x00
0x00
0x00
Bits
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
7
6
5
4
3
2
1
0
PLDModeHighB (applies to I/O[15:12])
00 : PLD disabled – Normal GPIO mode for I/O[15:12]
01 : PLD 2-to-1 mode – I/O[14] is a decode of I/O[13:12] as defined in RegPLDTable0B
10 : PLD 3-to-1 mode – I/O[15] is a decode of I/O[14:12] as defined in RegPLDTable1B
11 : Reserved
Reserved. Must be set to 0 (default value)
PLDModeLowB (applies to I/O[11:8])
00 : PLD disabled – Normal GPIO mode for I/O[11:8]
01 : PLD 2-to-1 mode – I/O[10] is a decode of I/O[9:8] as defined in RegPLDTable0B
10 : PLD 3-to-1 mode – I/O[11] is a decode of I/O[10:8] as defined in RegPLDTable2B
11 : PLD 3-to-2 mode – I/O[12:11] are decodes of I/O[10:8] as defined in
RegPLDTable3B and RegPLDTable4B
Reserved. Must be set to 0 (default value)
PLDModeHighA (applies to I/O[7:4])
00 : PLD disabled – Normal GPIO mode for I/O[7:4]
01 : PLD 2-to-1 mode – I/O[6] is a decode of I/O[5:4] as defined in RegPLDTable0A
10 : PLD 3-to-1 mode – I/O[7] is a decode of I/O[6:4] as defined in RegPLDTable1A
11 : Reserved
Reserved. Must be set to 0 (default value)
PLDModeLowA (applies to I/O[3:0])
00 : PLD disabled – Normal GPIO mode for I/O[3:0]
01 : PLD 2-to-1 mode – I/O[2] is a decode of I/O[1:0] as defined in RegPLDTable0A
10 : PLD 3-to-1 mode – I/O[3] is a decode of I/O[2:0] as defined in RegPLDTable2A
11 : PLD 3-to-2 mode – I/O[4:3] are decodes of I/O[2:0] as defined in RegPLDTable3A
and RegPLDTable4A
Value to be output on I/O[14] when I/O[13:12] = 11
Value to be output on I/O[14] when I/O[13:12] = 10
Value to be output on I/O[14] when I/O[13:12] = 01
Value to be output on I/O[14] when I/O[13:12] = 00
Value to be output on I/O[10] when I/O[9:8] = 11
Value to be output on I/O[10] when I/O[9:8] = 10
Value to be output on I/O[10] when I/O[9:8] = 01
Value to be output on I/O[10] when I/O[9:8] = 00
Value to be output on I/O[6] when I/O[5:4] = 11
Value to be output on I/O[6] when I/O[5:4] = 10
Value to be output on I/O[6] when I/O[5:4] = 01
Value to be output on I/O[6] when I/O[5:4] = 00
Value to be output on I/O[2] when I/O[1:0] = 11
Value to be output on I/O[2] when I/O[1:0] = 10
Value to be output on I/O[2] when I/O[1:0] = 01
Value to be output on I/O[2] when I/O[1:0] = 00
Value to be output on I/O[15] when I/O[14:12] = 111
Value to be output on I/O[15] when I/O[14:12] = 110
Value to be output on I/O[15] when I/O[14:12] = 101
Value to be output on I/O[15] when I/O[14:12] = 100
Value to be output on I/O[15] when I/O[14:12] = 011
Value to be output on I/O[15] when I/O[14:12] = 010
Value to be output on I/O[15] when I/O[14:12] = 001
Value to be output on I/O[15] when I/O[14:12] = 000
Value to be output on I/O[7] when I/O[6:4] = 111
Value to be output on I/O[7] when I/O[6:4] = 110
Value to be output on I/O[7] when I/O[6:4] = 101
Value to be output on I/O[7] when I/O[6:4] = 100
Value to be output on I/O[7] when I/O[6:4] = 011
Value to be output on I/O[7] when I/O[6:4] = 010
Value to be output on I/O[7] when I/O[6:4] = 001
Value to be output on I/O[7] when I/O[6:4] = 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
24
Description
SX1504/SX1505/SX1506
4/8/16 Channel GPIO
Applies only when
PLDModeHighB is set to PLD
2-to-1 mode
Applies only when
PLDModeLowB is set to PLD
2-to-1 mode
Applies only when
PLDModeHighA is set to PLD
2-to-1 mode
Applies only when
PLDModeLowA is set to PLD
2-to-1 mode
Applies only when
PLDModeHighB is set to PLD
3-to-1 mode
Applies only when
PLDModeHighA is set to PLD
3-to-1 mode
Applies only when
PLDModeLowB is set to PLD
3-to-1 mode
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