Table of Contents
Am186™CC/CH/CU Microcontrollers User’s Manual
ix
General-Purpose DMA Terminal Count . . . . . . . . . . 8-14
General-Purpose DMA Channel Operations . . . . . . 8-14
SmartDMA Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-26
8.5.7.1
SmartDMA Channels Introduction . . . . . . . . . . . . . . 8-26
SmartDMA Channel Memory Overview . . . . . . . . . . 8-28
SmartDMA Channel Usage . . . . . . . . . . . . . . . . . . . 8-31
SmartDMA Channel Cycle . . . . . . . . . . . . . . . . . . . . 8-35
SmartDMA Channel Descriptor Format . . . . . . . . . . 8-38
SmartDMA Channel Descriptor Polling . . . . . . . . . . 8-41
SmartDMA Channel Interrupts . . . . . . . . . . . . . . . . . 8-42
SmartDMA Channel Use Without CPU Intervention 8-42
DMA and USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-43
Software-Related Considerations . . . . . . . . . . . . . . . . . . . . . . 8-43
8.5.10 Comparison to Other Devices . . . . . . . . . . . . . . . . . . . . . . . . . 8-43
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
Defining the PIO Signal as Input or Output . . . . . . . . . . . . . . . . 9-5
Driving Data on the PIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6
Using PIOs as Open-Drain Outputs . . . . . . . . . . . . . . . . . . . . . . 9-6
Setting and Clearing Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6
Hardware-Related Considerations . . . . . . . . . . . . . . . . . . . . . . . 9-7
Software-Related Considerations . . . . . . . . . . . . . . . . . . . . . . . 9-7
Comparison to Other Devices . . . . . . . . . . . . . . . . . . . . . . . . . . 9-7
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3
10.5.1 Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3
10.5.2 Timer 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3
10.5.3 Timer 0 and Timer 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3
10.5.4 Requesting Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5
10.5.5 Software Polling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-6
10.5.6 Generating Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-6
10.5.7 Pulse Width Demodulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-6
Handling Short Signal Durations . . . . . . . . . . . . . . . 10-7
Handling Long Signal Durations . . . . . . . . . . . . . . . 10-7
Содержание Am186 CC
Страница 1: ...Am186 CC CH CU Microcontrollers User s Manual Order 21914B...
Страница 4: ...iv Am186 CC CH CU Microcontrollers User s Manual...
Страница 18: ...Table of Contents xviii Am186 CC CH CU Microcontrollers User s Manual...
Страница 24: ...Introduction xxiv Am186 CC CH CU Microcontrollers User s Manual...
Страница 39: ...Architectural Overview Am186 CC CH CU Microcontrollers User s Manual 1 15 Figure 1 6 32 Channel Linecard CH CC...
Страница 40: ...Architectural Overview 1 16 Am186 CC CH CU Microcontrollers User s Manual...
Страница 86: ...System Overview 3 36 Am186 CC CH CU Microcontrollers User s Manual...
Страница 92: ...Emulator Support 4 6 Am186 CC CH CU Microcontrollers User s Manual...
Страница 112: ...DRAM Controller 6 8 Am186 CC CH CU Microcontrollers User s Manual...
Страница 134: ...Interrupts 7 22 Am186 CC CH CU Microcontrollers User s Manual...
Страница 186: ...Programmable I O Signals 9 8 Am186 CC CH CU Microcontrollers User s Manual...
Страница 200: ...Watchdog Timer 11 6 Am186 CC CH CU Microcontrollers User s Manual...
Страница 232: ...Asynchronous Serial Ports UARTs 13 24 Am186 CC CH CU Microcontrollers User s Manual...
Страница 242: ...Synchronous Serial Port SSI 14 10 Am186 CC CH CU Microcontrollers User s Manual...
Страница 264: ...High Level Data Link Control HDLC 15 22 Am186 CC CH CU Microcontrollers User s Manual...
Страница 332: ...Universal Serial Bus USB 18 34 Am186 CC CH CU Microcontrollers User s Manual...
Страница 348: ...Register Summary A 16 Am186 CC CH CU Microcontrollers User s Manual...
Страница 376: ...Index Index 18 Am186 CC CH CU Microcontrollers User s Manual...