AT91SAM9G45(2009) Просмотр технического описания (PDF) - Atmel Corporation
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AT91SAM9G45 Datasheet PDF : 1159 Pages
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9.8 Tightly-Coupled Memory Interface ..................................................................48
9.9 Bus Interface Unit ............................................................................................49
10 AT91SAM9G45 Debug and Test ........................................................... 51
10.1 Description .......................................................................................................51
10.2 Embedded Characteristics ..............................................................................51
10.3 Block Diagram .................................................................................................52
10.4 Application Examples ......................................................................................53
10.5 Debug and Test Pin Description ......................................................................54
10.6 Functional Description .....................................................................................55
11 Boot Strategies ...................................................................................... 57
11.1 Boot Program ..................................................................................................57
11.2 Flow Diagram ..................................................................................................58
11.3 Device Initialization ..........................................................................................59
11.4 NVM Boot ........................................................................................................60
11.5 SAM-BA Monitor ..............................................................................................66
12 Reset Controller (RSTC) ........................................................................ 71
12.1 Description .......................................................................................................71
12.2 Embedded Characteristics ..............................................................................71
12.3 Block Diagram .................................................................................................71
12.4 Functional Description .....................................................................................72
12.5 Reset Controller (RSTC) User Interface ..........................................................80
13 Real-time Timer (RTT) ............................................................................ 85
13.1 Description .......................................................................................................85
13.2 Embedded Characteristics ..............................................................................85
13.3 Block Diagram .................................................................................................85
13.4 Functional Description .....................................................................................85
13.5 Real-time Timer (RTT) User Interface .............................................................88
14 Real-time Clock (RTC) ........................................................................... 93
14.1 Description .......................................................................................................93
14.2 Embedded Characteristics ..............................................................................93
14.3 Block Diagram .................................................................................................93
14.4 Product Dependencies ....................................................................................94
14.5 Functional Description .....................................................................................94
14.6 Reset Controller (RTC) User Interface ............................................................97
ii AT91SAM9G45
6438D–ATARM–13-Oct-09
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