C8051F388-B Datasheet, PDF (4/285 Pages) Silicon Laboratories – Flash MCU Family

C8051F388/9/A/B
14.1.1. 16-Bit MOVX Example ............................................................................ 88
14.1.2. 8-Bit MOVX Example .............................................................................. 88
14.2. Configuring the External Memory Interface ..................................................... 89
14.3. Port Configuration............................................................................................ 89
14.4. Multiplexed and Non-multiplexed Selection..................................................... 92
14.4.1. Multiplexed Configuration........................................................................ 92
14.4.2. Non-multiplexed Configuration................................................................ 93
14.5. Memory Mode Selection.................................................................................. 94
14.5.1. Internal XRAM Only ................................................................................ 94
14.5.2. Split Mode without Bank Select............................................................... 94
14.5.3. Split Mode with Bank Select.................................................................... 95
14.5.4. External Only........................................................................................... 95
14.6. Timing ............................................................................................................ 96
14.6.1. Non-multiplexed Mode ............................................................................ 98
14.6.1.1. 16-bit MOVX: EMI0CF[4:2] = 101, 110, or 111............................... 98
14.6.1.2. 8-bit MOVX without Bank Select: EMI0CF[4:2] = 101 or 111 ......... 99
14.6.1.3. 8-bit MOVX with Bank Select: EMI0CF[4:2] = 110 ....................... 100
14.6.2. Multiplexed Mode .................................................................................. 101
14.6.2.1. 16-bit MOVX: EMI0CF[4:2] = 001, 010, or 011............................. 101
14.6.2.2. 8-bit MOVX without Bank Select: EMI0CF[4:2] = 001 or 011 ....... 102
14.6.2.3. 8-bit MOVX with Bank Select: EMI0CF[4:2] = 010 ....................... 103
15. Special Function Registers................................................................................. 105
15.1. SFR Paging ................................................................................................... 105
16. Interrupts .............................................................................................................. 112
16.1. MCU Interrupt Sources and Vectors.............................................................. 113
16.1.1. Interrupt Priorities.................................................................................. 113
16.1.2. Interrupt Latency ................................................................................... 113
16.2. Interrupt Register Descriptions ...................................................................... 113
16.3. INT0 and INT1 External Interrupt Sources .................................................... 121
17. Reset Sources ...................................................................................................... 123
17.1. Power-On Reset ............................................................................................ 124
17.2. Power-Fail Reset / VDD Monitor ................................................................... 125
17.3. External Reset ............................................................................................... 126
17.4. Missing Clock Detector Reset ....................................................................... 126
17.5. Comparator0 Reset ....................................................................................... 126
17.6. PCA Watchdog Timer Reset ......................................................................... 127
17.7. Flash Error Reset .......................................................................................... 127
17.8. Software Reset .............................................................................................. 127
18. Flash Memory....................................................................................................... 129
18.1. Programming The Flash Memory .................................................................. 129
18.1.1. Flash Lock and Key Functions .............................................................. 129
18.1.2. Flash Erase Procedure ......................................................................... 129
18.1.3. Flash Write Procedure .......................................................................... 130
18.2. Non-Volatile Data Storage............................................................................. 131
18.3. Security Options ............................................................................................ 131
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