ST20-GP6 Просмотр технического описания (PDF) - STMicroelectronics
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ST20-GP6 Datasheet PDF : 123 Pages
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ST20-GP6
10 Programmable memory interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
10.1 EMI signal descriptions ......................................................................................................................... 58
10.2 External accesses ................................................................................................................................. 59
10.3 MemWait ............................................................................................................................................... 60
10.4 EMI configuration registers ................................................................................................................... 62
10.5 Boot source ........................................................................................................................................... 65
10.6 Default configuration ............................................................................................................................. 65
11 Low power controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
11.1 Low power control ................................................................................................................................. 66
11.2 Low power configuration registers ........................................................................................................ 67
12 Real time clock and watchdog timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
12.1 Power supplies ..................................................................................................................................... 70
12.2 Real time clock ..................................................................................................................................... 70
12.3 Watchdog timer ..................................................................................................................................... 70
12.4 RTC/WDT configuration registers ......................................................................................................... 71
13 System services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
13.1 Reset, initialization and debug .............................................................................................................. 73
13.2 Bootstrap .............................................................................................................................................. 73
13.3 Clocks ................................................................................................................................................... 73
14 Diagnostic controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
14.1 Diagnostic hardware ............................................................................................................................. 75
14.2 Access features .................................................................................................................................... 76
14.3 Software debugging features ................................................................................................................ 77
14.4 Controlling the diagnostic controller ...................................................................................................... 79
14.5 Peeking and poking the host from the target ........................................................................................ 80
14.6 Abortable instructions ........................................................................................................................... 80
15 UART interface (ASC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
15.1 Functionality .......................................................................................................................................... 82
15.2 Timeout mechanism ............................................................................................................................. 85
15.3 Baud rate generation ............................................................................................................................ 85
15.4 Interrupt control .................................................................................................................................... 86
15.5 ASC configuration registers .................................................................................................................. 88
16 Parallel input/output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
16.1 PIO Ports0-1 ......................................................................................................................................... 94
17 Configuration register addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
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