th May 2012 www.semtech.com 23 SX1501/SX1502/SX1503 4/8/16 Channel L" />
參數(shù)資料
型號(hào): SX1502I087TRT
廠商: Semtech
文件頁數(shù): 16/32頁
文件大?。?/td> 0K
描述: IC GPIO EXPANDER I2C 8CH 20QFN
產(chǎn)品培訓(xùn)模塊: Low Voltage GPIO Expander Family
標(biāo)準(zhǔn)包裝: 1
接口: I²C
輸入/輸出數(shù): 8
中斷輸出:
頻率 - 時(shí)鐘: 400kHz
電源電壓: 1.2 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-UFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 20-QFN-UT(3x3)
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面: 1359 (CN2011-ZH PDF)
其它名稱: SX1502I087DKR
WIRELESS & SENSING
Rev 11 – 16
th May 2012
www.semtech.com
23
SX1501/SX1502/SX1503
4/8/16 Channel Low Voltage GPIO
Addr
Name
Default
Bits
Description
0
Value to be output on I/O[3] when I/O[2:0] = 000
7
Value to be output on I/O[4] when I/O[2:0] = 111
6
Value to be output on I/O[4] when I/O[2:0] = 110
5
Value to be output on I/O[4] when I/O[2:0] = 101
4
Value to be output on I/O[4] when I/O[2:0] = 100
3
Value to be output on I/O[4] when I/O[2:0] = 011
2
Value to be output on I/O[4] when I/O[2:0] = 010
1
Value to be output on I/O[4] when I/O[2:0] = 001
0x14
RegPLDTable3
0x00
0
Value to be output on I/O[4] when I/O[2:0] = 000
Applies only when
PLDModeLow is set to PLD 3-
to-2 mode
7
Value to be output on I/O[3] when I/O[2:0] = 111
6
Value to be output on I/O[3] when I/O[2:0] = 110
5
Value to be output on I/O[3] when I/O[2:0] = 101
4
Value to be output on I/O[3] when I/O[2:0] = 100
3
Value to be output on I/O[3] when I/O[2:0] = 011
2
Value to be output on I/O[3] when I/O[2:0] = 010
1
Value to be output on I/O[3] when I/O[2:0] = 001
0x15
RegPLDTable4
0x00
0
Value to be output on I/O[3] when I/O[2:0] = 000
Applies only when
PLDModeLow is set to PLD 3-
to-2 mode
7:2
Reserved. Must be set to 0 (default value)
1
Boost Mode (Cf. §2.2.1)
0: OFF
1: ON
0xAB
RegAdvanced
0x00
0
Reserved. Must be set to 0 (default value)
Table 15 – SX1502 Configuration Registers Description
5.3
SX1503 16-channel GPIO
Address
Name
Description
Default
0x00
RegDataB
Data register for Bank B I/O[15:8]
1111 1111
*
0x01
RegDataA
Data register for Bank A I/O[7:0]
1111 1111
*
0x02
RegDirB
Direction register for Bank B I/O[15:8]
1111 1111
0x03
RegDirA
Direction register for Bank A I/O[7:0]
1111 1111
0x04
RegPullUpB
Pull-up register for Bank B I/O[15:8]
0000 0000
0x05
RegPullUpA
Pull-up register for Bank A I/O[7:0]
0000 0000
0x06
RegPullDownB
Pull-down register for Bank B I/O[15:8]
0000 0000
0x07
RegPullDownA
Pull-down register for Bank A I/O[7:0]
0000 0000
0x08
RegInterruptMaskB
Interrupt mask register for Bank B I/O[15:8]
1111 1111
0x09
RegInterruptMaskA
Interrupt mask register for Bank A I/O[7:0]
1111 1111
0x0A
RegSenseHighB
Sense register for I/O[15:12]
0000 0000
0x0B
RegSenseHighA
Sense register for I/O[7:4]
0000 0000
0x0C
RegSenseLowB
Sense register for I/O[11:8]
0000 0000
0x0D
RegSenseLowA
Sense register for I/O[3:0]
0000 0000
0x0E
RegInterruptSourceB
Interrupt source register for Bank B I/O[15:8]
0000 0000
0x0F
RegInterruptSourceA
Interrupt source register for Bank A I/O[7:0]
0000 0000
0x10
RegEventStatusB
Event status register for Bank B I/O[15:8]
0000 0000
0x11
RegEventStatusA
Event status register for Bank A I/O[7:0]
0000 0000
0x20
RegPLDModeB
PLD mode register for Bank B I/O[15:8]
0000 0000
0x21
RegPLDModeA
PLD mode register for Bank A I/O[7:0]
0000 0000
0x22
RegPLDTable0B
PLD truth table 0 for Bank B I/O[15:8]
0000 0000
0x23
RegPLDTable0A
PLD truth table 0 for Bank A I/O[7:0]
0000 0000
0x24
RegPLDTable1B
PLD truth table 1 for Bank B I/O[15:8]
0000 0000
0x25
RegPLDTable1A
PLD truth table 1 for Bank A I/O[7:0]
0000 0000
0x26
RegPLDTable2B
PLD truth table 2 for Bank B I/O[15:8]
0000 0000
0x27
RegPLDTable2A
PLD truth table 2 for Bank A I/O[7:0]
0000 0000
0x28
RegPLDTable3B
PLD truth table 3 for Bank B I/O[15:8]
0000 0000
0x29
RegPLDTable3A
PLD truth table 3 for Bank A I/O[7:0]
0000 0000
0x2A
RegPLDTable4B
PLD truth table 4 for Bank B I/O[15:8]
0000 0000
0x2B
RegPLDTable4A
PLD truth table 4 for Bank A I/O[7:0]
0000 0000
0xAD
RegAdvanced
Advanced settings register
0000 0000
*Bits set as output take “1” as default value.
Table 16 – SX1503 Configuration Registers Overview
Addr
Name
Default
Bits
Description
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