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..........................................................................................................19
4 Serial Interfaces ............................................................................................................... 24
4.1 SPI Interface .............................................................................................................................24
4.1.1 SPI frame format................................................................................................................24
4.1.2 SPI bus error conditioning ...............................................................................................25
4.1.3 Examples of SPI communication.....................................................................................25
4.1.3.1
4.1.3.2
4.1.3.3
Example of register read...........................................................................................................25
Example of decremented register read ...................................................................................26
Example of ring buffer read......................................................................................................26
4.2 I2C Interface..............................................................................................................................27
4.2.1 I2C frame format.................................................................................................................27
4.2.1.1
4.2.1.2
4.2.1.3
I2C write mode............................................................................................................................27
I2C read mode.............................................................................................................................27
Decremented register read.......................................................................................................27
4.2.2 Examples of I2C communication......................................................................................28
5 Electrical Characteristics ................................................................................................ 29
5.1 Absolute maximum ratings.....................................................................................................29
5.2 Power Supply ...........................................................................................................................29
5.3 Digital I/O Specification...........................................................................................................29
5.3.1 Digital I/O DC characteristics...........................................................................................29
5.3.2 Digital I/O level shifter.......................................................................................................29
5.3.3 SPI AC characteristics......................................................................................................30
5.3.4 I2C AC characteristics.......................................................................................................31
6 Package Characteristics.................................................................................................. 31
6.1 Dimensions...............................................................................................................................31
7 Application information................................................................................................... 32
7.1 Pin Description.........................................................................................................................32
7.2 Recommended circuit diagram ..............................................................................................32
7.3 Recommended PWB layout ....................................................................................................33
7.4 Assembly instructions ............................................................................................................35
7.5 Tape and reel specifications...................................................................................................35
8 Data sheet references...................................................................................................... 36
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