AT91 datasheet(150/153 Pages) ATMEL

150 / 153 page

AT91X40 Series

1354D–ATARM–08/02

PS: Power-saving ............................................................................... 50

Peripheral Clocks................................................................................................ 50

PS User Interface ............................................................................................... 51

PS Control Register ............................................................................................ 52

PS Peripheral Clock Enable Register ................................................................. 53

PS Peripheral Clock Disable Register ................................................................ 54

PS Peripheral Clock Status Register .................................................................. 55

AIC: Advanced Interrupt Controller .................................................. 56

Hardware Interrupt Vectoring.............................................................................. 58

Priority Controller ................................................................................................ 58

Interrupt Handling ............................................................................................... 58

Interrupt Masking ................................................................................................ 58

Interrupt Clearing and Setting............................................................................. 59

Fast Interrupt Request ........................................................................................ 59

Software Interrupt ............................................................................................... 59

Spurious Interrupt ............................................................................................... 59

Protect Mode ...................................................................................................... 60

AIC User Interface .............................................................................................. 61

AIC Source Mode Register ................................................................................. 62

AIC Source Vector Register................................................................................ 63

AIC Interrupt Vector Register.............................................................................. 64

AIC FIQ Vector Register ..................................................................................... 64

AIC Interrupt Status Register.............................................................................. 65

AIC Interrupt Pending Register ........................................................................... 65

AIC Interrupt Mask Register ............................................................................... 66

AIC Core Interrupt Status Register ..................................................................... 67

AIC Interrupt Enable Command Register ........................................................... 68

AIC Interrupt Disable Command Register .......................................................... 68

AIC Interrupt Clear Command Register.............................................................. 69

AIC Interrupt Set Command Register ................................................................. 69

AIC End of Interrupt Command Register ............................................................ 70

AIC Spurious Vector Register............................................................................. 70

Standard Interrupt Sequence.............................................................................. 71

PIO: Parallel I/O Controller................................................................. 74

Multiplexed I/O Lines .......................................................................................... 74

Output Selection ................................................................................................. 74

I/O Levels............................................................................................................ 74

Filters .................................................................................................................. 74

Interrupts............................................................................................................. 75

User Interface ..................................................................................................... 75

PIO User Interface .............................................................................................. 78

PIO Enable Register ........................................................................................... 79

PIO Disable Register .......................................................................................... 79

PIO Status Register ............................................................................................ 80

AT91 Datasheet(PDF) 150 Page - ATMEL Corporation

AT91 Datasheet(HTML) 150 Page - ATMEL Corporation

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