SCA3000 Series
3 Addressing Space.............................................................................................................. 15
3.1 Register Description................................................................................................................15
3.2 Non-volatile memory ...............................................................................................................16
3.3 Output Registers......................................................................................................................16
3.4 Configuration Registers..........................................................................................................20
4 Serial Interfaces ................................................................................................................. 26
4.1 SPI Interface .............................................................................................................................26
4.1.1 SPI frame format................................................................................................................26
4.1.2 SPI bus error conditioning ...............................................................................................27
4.1.3 Examples of SPI communication.....................................................................................27
4.1.3.1
4.1.3.2
4.1.3.3
Example of register read...........................................................................................................27
Example of decremented register read ...................................................................................28
Example of ring buffer read......................................................................................................28
4.1.4 Multiple slave devices in SPI bus ....................................................................................28
4.1.4.1
4.1.4.2
SCA3000-D03 in SPI bus with other slave devices ................................................................29
SCA3000-L01 in SPI bus with other slave devices.................................................................29
4.2 I2C Interface..............................................................................................................................29
4.2.1 I2C frame format.................................................................................................................29
4.2.1.1
4.2.1.2
4.2.1.3
I2C write mode............................................................................................................................29
I2C read mode.............................................................................................................................30
Decremented register read.......................................................................................................30
4.2.2 Examples of I2C communication......................................................................................30
5 Electrical Characteristics .................................................................................................. 31
5.1 Absolute maximum ratings.....................................................................................................31
5.2 Power Supply ...........................................................................................................................31
5.3 Digital I/O Specification...........................................................................................................31
5.3.1 Digital I/O DC characteristics...........................................................................................31
5.3.2 Digital I/O level shifter.......................................................................................................31
5.3.3 SPI AC characteristics......................................................................................................31
5.3.4 I2C AC characteristics.......................................................................................................33
6 Package Characteristics.................................................................................................... 33
6.1 Dimensions...............................................................................................................................33
7 Application information..................................................................................................... 34
7.1 Pin Description.........................................................................................................................34
7.2 Recommended circuit diagram ..............................................................................................34
7.3 Recommended PWB layout ....................................................................................................35
7.4 Assembly instructions ............................................................................................................37
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