210
4109J–8051–10/06
AT8xC51SND1C
14.8 Suspend/Resume Management ..........................................................................93
14.9 USB Interrupt System ..........................................................................................95
14.10 Registers ...........................................................................................................97
15
MultiMedia Card Controller ................................................................. 108
15.1 Card Concept ....................................................................................................108
15.2 Bus Concept ......................................................................................................108
15.3 Description ........................................................................................................113
15.4 Clock Generator ................................................................................................114
15.5 Command Line Controller .................................................................................114
15.6 Data Line Controller ..........................................................................................116
15.7 Interrupt .............................................................................................................122
15.8 Registers ...........................................................................................................123
16
IDE/ATAPI Interface ............................................................................. 130
16.1 Description ........................................................................................................130
16.2 Registers ...........................................................................................................132
17
Serial I/O Port ....................................................................................... 133
17.1 Mode Selection ..................................................................................................133
17.2 Baud Rate Generator ........................................................................................133
17.3 Synchronous Mode (Mode 0) ............................................................................134
17.4 Asynchronous Modes (Modes 1, 2 and 3) .........................................................136
17.5 Multiprocessor Communication (Modes 2 and 3) ..............................................139
17.6 Automatic Address Recognition ........................................................................140
17.7 Interrupt .............................................................................................................141
17.8 Registers ...........................................................................................................142
18
Synchronous Peripheral Interface ..................................................... 146
18.1 Description ........................................................................................................147
18.2 Interrupt .............................................................................................................150
18.3 Configuration .....................................................................................................150
18.4 Registers ...........................................................................................................155
19
Two-wire Interface (TWI) Controller ................................................... 157
19.1 Description ........................................................................................................157
19.2 Registers ...........................................................................................................171
20
Analog to Digital Converter ................................................................ 173
20.1 Description ........................................................................................................173