8.4
8.4.1
8.4.2
Interrupt Request Register ......................................................................................8-16
8.4.3
Interrupt Mask Register ...........................................................................................8-16
8.4.4
Priority Mask Register .............................................................................................8-17
8.4.5
In-Service Register .................................................................................................8-18
8.4.6
8.4.7
8.4.8
Interrupt Status Register .........................................................................................8-22
8.5
SLAVE MODE ............................................................................................................. 8-23
8.5.1
Slave Mode Programming ......................................................................................8-25
8.5.1.1
8.5.1.2
End-Of-Interrupt Register ..............................................................................8-27
8.5.1.3
Other Registers .............................................................................................8-28
8.5.2
Interrupt Vectoring in Slave Mode ...........................................................................8-29
8.5.3
Initializing the Interrupt Control Unit for Master Mode .............................................8-30
CHAPTER 9
TIMER/COUNTER UNIT
9.1
FUNCTIONAL OVERVIEW............................................................................................ 9-1
9.2
9.2.1
Initialization Sequence ............................................................................................9-11
9.2.2
Clock Sources .........................................................................................................9-12
9.2.3
Counting Modes ......................................................................................................9-12
9.2.3.1
Retriggering ...................................................................................................9-13
9.2.4
9.2.5
9.2.6
Timer Interrupts .......................................................................................................9-16
9.2.7
9.3
TIMING ........................................................................................................................ 9-16
9.3.1
9.3.2
9.3.2.1
9.3.3
Real-Time Clock .....................................................................................................9-17
9.3.4
Square-Wave Generator .........................................................................................9-17
9.3.5
Digital One-Shot ......................................................................................................9-17
CHAPTER 10
DIRECT MEMORY ACCESS UNIT
10.1
FUNCTIONAL OVERVIEW.......................................................................................... 10-1
10.1.1
The DMA Transfer ..................................................................................................10-1
10.1.1.1
10.1.1.2
10.1.2
CONTENTS
vii