i
5211A–SMIC–04/07
AT88SC0104/0204/0404/0808/1616/3216/6416/12816/25616C
Features ..................................................................................................... 1
1 Pin Configuration and Package Information ......................................... 1
1.1 Pin Configuration .....................................................................................................1
1.2 Package Information ................................................................................................1
2 Description ............................................................................................... 1
2.1 Embedded Applications ...........................................................................................2
2.2 Smart Card Applications ..........................................................................................2
2.3 Scope and Purpose of This Document ....................................................................2
3 Pin Description ......................................................................................... 3
3.1 Supply Voltage (V
CC
) ...............................................................................................3
3.2 Clock (SCL/CLK) .....................................................................................................3
3.3 Serial Data (SDA/IO) ...............................................................................................3
3.4 Reset (RST) .............................................................................................................3
4 Detailed Description ................................................................................ 3
4.1 User Memory ...........................................................................................................3
4.2 Control Logic ...........................................................................................................9
4.3 Configuration Memory .............................................................................................9
5 Communication Security Modes .......................................................... 13
5.1 Security Operations ...............................................................................................13
5.2 Data Protection Features .......................................................................................16
5.3 Configuration Memory Values ...............................................................................17
5.4 Security Fuses ......................................................................................................23
6 Protocol Selection .................................................................................. 25
6.1 Synchronous Mode for Embedded Applications ..................................................25
6.2 Asynchronous Mode for Smart Card Applications ...............................................25
7 Synchronous Protocol ........................................................................... 27
7.1 Start-up Sequence .................................................................................................27
7.2 Command Set ........................................................................................................27
7.3 Command Format ..................................................................................................28
7.4 Acknowledge Polling .............................................................................................29
7.5 Device Addressing .................................................................................................31
7.6 Command Descriptions .........................................................................................31