Datasheet

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AT89C5132
4173C–USB–07/04
Timer/Counter Operations .................................................................................. 48
Timer Clock Controller ........................................................................................ 48
Timer 0................................................................................................................ 49
Timer 1................................................................................................................ 51
Interrupt .............................................................................................................. 52
Registers..............................................................................................................53
Watchdog Timer .................................................................................. 56
Description.......................................................................................................... 56
Watchdog Clock Controller................................................................................. 56
Watchdog Operation............................................................................................57
Registers..............................................................................................................58
Audio Output Interface ....................................................................... 59
Description.......................................................................................................... 59
Clock Generator...................................................................................................60
Data Converter ................................................................................................... 60
Audio Buffer........................................................................................................ 61
Interrupt Request................................................................................................ 62
Voice or Sound Playing ...................................................................................... 62
Registers..............................................................................................................64
Universal Serial Bus ........................................................................... 66
Description...........................................................................................................67
USB Interrupt System ......................................................................................... 69
Registers..............................................................................................................71
MultiMedia Card Controller ................................................................ 80
Card Concept...................................................................................................... 80
Bus Concept ....................................................................................................... 80
Description.......................................................................................................... 85
Clock Generator.................................................................................................. 86
Command Line Controller................................................................................... 87
Data Line Controller.............................................................................................89
Interrupt ...............................................................................................................95
Registers..............................................................................................................96
IDE/ATAPI Interface .......................................................................... 102
Description........................................................................................................ 102
Registers........................................................................................................... 104
Serial I/O Port .................................................................................... 105
Mode Selection................................................................................................. 105
Baud Rate Generator........................................................................................ 105
Synchronous Mode (Mode 0) ........................................................................... 106
Asynchronous Modes (Modes 1, 2 and 3).........................................................108