Rainbow Electronics AT91CAP9S250A - Manual (Page 999)

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6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
13.5 Functional Description .......................................................................... 70
14 Boot Program ............................................................................. 73
14.1 Description ........................................................................................... 73
14.2 Flow Diagram ....................................................................................... 73
14.3 Device Initialization ............................................................................... 75
14.4 DataFlash Boot ..................................................................................... 76
14.5 NANDFlash Boot .................................................................................. 78
14.6 SAM-BA Boot ....................................................................................... 79
14.7 Hardware and Software Constraints .................................................... 82
15 Reset Controller (RSTC) ............................................................ 85
15.1 Description ........................................................................................... 85
15.2 Block Diagram ...................................................................................... 85
15.3 Functional Description .......................................................................... 85
15.4 Reset Controller (RSTC) User Interface ............................................... 95
16 Real-time Timer (RTT) ................................................................ 99
16.1 Overview .............................................................................................. 99
16.2 Block Diagram ...................................................................................... 99
16.3 Functional Description .......................................................................... 99
16.4 Real-time Timer (RTT) User Interface ................................................ 101
17 Periodic Interval Timer (PIT) ................................................... 105
17.1 Overview ............................................................................................ 105
17.2 Block Diagram .................................................................................... 105
17.3 Functional Description ........................................................................ 106
17.4 Periodic Interval Timer (PIT) User Interface ....................................... 108
18 Watchdog Timer (WDT) ........................................................... 113
18.1 Description ......................................................................................... 113
18.2 Block Diagram .................................................................................... 113
18.3 Functional Description ........................................................................ 114
18.4 Watchdog Timer (WDT) User Interface .............................................. 116
19 Shutdown Controller (SHDWC) ..............................................121
19.1 Description ......................................................................................... 121
19.2 Block Diagram .................................................................................... 121
19.3 I/O Lines Description .......................................................................... 121
19.4 Product Dependencies ....................................................................... 121