Filter
Top Products
i
1745D–ATARM–04-Nov-05
AT91M55800A
Table of Contents
Features ..................................................................................................... 1
1 Description ............................................................................................... 1
2 Pin Configurations ................................................................................... 3
3 Pin Description ......................................................................................... 7
4 Block Diagram .......................................................................................... 9
5 Architectural Overview .......................................................................... 10
5.1 Memory ..............................................................................................................10
5.2 Peripherals .........................................................................................................10
6 Associated Documentation ................................................................... 12
7 Product Overview .................................................................................. 13
7.1 Power Supplies ..................................................................................................13
7.2 Input/Output Considerations ...............................................................................13
7.3 Master Clock ......................................................................................................14
7.4 Reset ..................................................................................................................14
7.5 Emulation Functions ...........................................................................................15
7.6 Memory Controller ..............................................................................................15
7.7 External Bus Interface ........................................................................................17
8 Peripherals ............................................................................................. 18
8.1 Peripheral Registers ...........................................................................................18
8.2 Peripheral Interrupt Control ................................................................................18
8.3 Peripheral Data Controller ..................................................................................18
8.4 System Peripherals ............................................................................................19
8.5 User Peripherals .................................................................................................20
9 Memory Map ........................................................................................... 22
10 Peripheral Memory Map ........................................................................ 23
11 EBI: External Bus Interface ................................................................... 24
11.1 External Memory Mapping ...............................................................................25
11.2 EBI Pin Description ..........................................................................................26
11.3 Data Bus Width ................................................................................................27
11.4 Byte-write or Byte-select Access .....................................................................27
11.5 Boot on NCS0 ..................................................................................................29