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Rainbow Electronics AT89C5132 User Manual

Page 160

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160

AT8xC5132

4173A–8051–08/02

Power-down Mode.............................................................................................. 47

Registers............................................................................................................. 49

Timers/Counters ................................................................................. 50

Timer/Counter Operations .................................................................................. 50

Timer Clock Controller ........................................................................................ 50

Timer 0................................................................................................................ 51

Timer 1................................................................................................................ 53

Interrupt .............................................................................................................. 54

Registers.............................................................................................................. 55

Watchdog Timer .................................................................................. 58

Description.......................................................................................................... 58

Watchdog Clock Controller ................................................................................. 58

Watchdog Operation............................................................................................ 59

Registers.............................................................................................................. 60

Audio Output Interface ....................................................................... 61

Description.......................................................................................................... 61

Clock Generator................................................................................................... 62

Data Converter ................................................................................................... 62

Audio Buffer ........................................................................................................ 63

Interrupt Request ................................................................................................ 64

Voice or Sound Playing ...................................................................................... 64

Registers.............................................................................................................. 66

Universal Serial Bus ........................................................................... 68

Description........................................................................................................... 69

USB Interrupt System ......................................................................................... 71

Registers.............................................................................................................. 73

MultiMedia Card Controller ................................................................ 82

Card Concept...................................................................................................... 82

Bus Concept ....................................................................................................... 82

Description.......................................................................................................... 87

Clock Generator.................................................................................................. 88

Command Line Controller................................................................................... 89

Data Line Controller............................................................................................. 91

Interrupt ............................................................................................................... 97

Registers.............................................................................................................. 98

IDE/ATAPI Interface .......................................................................... 104

Description........................................................................................................ 104

Registers........................................................................................................... 106