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1 / 43 page SM5953 8-Bit Micro-controller 15KB with ISP Flash & 256B RAM embedded Specifications subject to change without notice contact your sales representatives for the most recent information. ISSFD-M074 Ver D SM5953 04/16/2015 - 1 - Product List ...................................................................................................................................................................3 Description ....................................................................................................................................................................3 Ordering Information .....................................................................................................................................................3 Features........................................................................................................................................................................3 Pin Configuration ..........................................................................................................................................................3 Block Diagram...............................................................................................................................................................6 Special Function Register (SFR) ..................................................................................................................................8 Function Description ...................................................................................................................................................10 1. General Features ...........................................................................................................................................10 1.1 Embedded Flash ...................................................................................................................................10 1.2 IO Pads .................................................................................................................................................10 1.3 System Control Register (SCONF) .......................................................................................................10 2. Instruction Set ................................................................................................................................................ 11 3. Memory Structure ..........................................................................................................................................15 3.1 Program Memory ..................................................................................................................................15 3.2 Data Memory.........................................................................................................................................16 3.3 Data memory - lower 128 byte (00h to 7Fh) .........................................................................................16 3.4 Data memory - higher 128 byte (80h to FFh)........................................................................................16 4. CPU Engine ...................................................................................................................................................17 4.1 Accumulator ..........................................................................................................................................17 4.2 B Register .............................................................................................................................................17 4.3 Program Status Word............................................................................................................................18 4.4 Stack Pointer .........................................................................................................................................18 4.5 Data Pointer ..........................................................................................................................................18 5. GPIO ..............................................................................................................................................................19 6. Timer 0 and Timer 1.......................................................................................................................................20 6.1 Timer/counter mode control register (TMOD) .......................................................................................20 6.2 Timer/counter control register (TCON) .................................................................................................21 6.3 Mode 0 (13-bit Counter/Timer)..............................................................................................................21 6.4 Mode 1 (16-bit Counter/Timer)..............................................................................................................22 6.5 Mode 2 (8-bit auto-reload Counter/Timer) ............................................................................................22 6.6 Mode 3 (Timer 0 acts as two independent 8 bit Timers / Counters) .....................................................22 7. Timer 2 ...........................................................................................................................................................24 7.1 Capture mode .......................................................................................................................................25 7.2 Auto-reload (Up or Down Counter) .......................................................................................................26 7.3 Programmable clock out .......................................................................................................................27 8. Serial interface – UART .................................................................................................................................29 8.1 Serial interface ......................................................................................................................................29 8.1.1 Mode 0..........................................................................................................................................30 8.1.2 Mode 1..........................................................................................................................................30 8.1.3 Mode 2..........................................................................................................................................31 8.1.4 Mode 3..........................................................................................................................................31 8.2 Multiprocessor Communication of Serial Interface ...............................................................................31 8.3 Baud Rate Generator ............................................................................................................................32 8.3.1 Serial interface Mode 0 ................................................................................................................32 8.3.2 Serial interface Mode 2 ................................................................................................................32 8.3.3 Serial interface Mode 1 and 3 ......................................................................................................32 9. Interrupt..........................................................................................................................................................33 10. Watch Dog Timer ...........................................................................................................................................35 11. Power Management Unit ...............................................................................................................................37 11.1 Idle mode ..............................................................................................................................................37 11.2 Power Down mode................................................................................................................................37 12. In-System Programming (Internal ISP)..........................................................................................................38 12.1 ISP service program..............................................................................................................................38 12.2 Lock Bit (N) ...........................................................................................................................................38 12.3 Program the ISP Service Program........................................................................................................39 |
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Mô tả tương tự - SM5953 |
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