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STM8AF5268 Datasheet(PDF) 15 Page - STMicroelectronics |
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STM8AF5268 Datasheet(HTML) 15 Page - STMicroelectronics |
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15 / 125 page  DocID14395 Rev 15 15/125 STM8AF526x/8x/Ax STM8AF6269/8x/Ax Product overview 114 5.2 Single wire interface module (SWIM) and debug module (DM) 5.2.1 SWIM The single wire interface module, SWIM, together with an integrated debug module, permits non-intrusive, real-time in-circuit debugging and fast memory programming. The interface can be activated in all device operation modes and can be connected to a running device (hot plugging).The maximum data transmission speed is 145 bytes/ms. 5.2.2 Debug module The non-intrusive debugging module features a performance close to a full-flavored emulator. Besides memory and peripheral operation, CPU operation can also be monitored in real-time by means of shadow registers. • R/W of RAM and peripheral registers in real-time • R/W for all resources when the application is stopped • Breakpoints on all program-memory instructions (software breakpoints), except the interrupt vector table • Two advanced breakpoints and 23 predefined breakpoint configurations 5.3 Interrupt controller • Nested interrupts with three software priority levels • 24 interrupt vectors with hardware priority • Five vectors for external interrupts (up to 37 depending on the package) • Trap and reset interrupts 5.4 Flash program and data EEPROM • 32 Kbytes to 128 Kbytes of high density single voltage Flash program memory • Up to 2 Kbytes true (not emulated) data EEPROM • Read while write: writing in the data memory is possible while executing code in the Flash program memory. The whole Flash program memory and data EEPROM are factory programmed with 0x00. 5.4.1 Architecture • The memory is organized in blocks of 128 bytes each • Read granularity: 1 word = 4 bytes • Write/erase granularity: 1 word (4 bytes) or 1 block (128 bytes) in parallel • Writing, erasing, word and block management is handled automatically by the memory interface. |
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