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SM59364 Folha de dados(PDF) 8 Page - SyncMOS Technologies,Inc |
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SM59364 Folha de dados(HTML) 8 Page - SyncMOS Technologies,Inc |
8 / 19 page SyncMOS Technologies International, Inc. SM59364 8-Bits Micro-controller 64KB ISP flash & 1KB RAM embedded Specifications subject to change without notice contact your sales representatives for the most recent information. IDMMX-0033 Ver B SM59364 04/2008 8 device, the ISP service program should include baud rate, checksum or parity check or any error-checking mechanism to avoid data transmission error. The ISP service program can be initiated under SM59364 active or idle mode. It can not be initiated under power down mode. 2.2 Initiate ISP Service Program To initiate the ISP service program is to load the program counter (PC) with start address of ISP service program and execute it. There are two ways to do so: (1) Blank reset. Hardware reset with first flash address blank ($0000=#FFH) will load the PC with start address of ISP service program. (2) Execute ‘JUMP’ instruction can load the start address of the ISP service program to PC. User can initiate general 8052 INT function to initiate the ISP service program. After ISP service program executed, user need to reset the SM59364, either by hardware reset or by WDT, or jump to the address $0000 to re-start the firmware program. ISP Registers - ISPFAH, ISPFAL, ISPFD and ISPC ISP Flash Address-High Register(ISPFAH,$F4) bit-7 bit-0 FA15 FA14 FA13 FA12 FA11 FA10 FA9 FA8 Read / Write: R/W R/W R/W R/W R/W R/W R/W R/W Reset value: 0 0 0 0 0 0 0 0 FA15 ~ FA8: flash address-high for ISP function ISP Flash Address-Low Register(ISPFAL,$F5) bit-7 bit-0 FA7 FA6 FA5 FA4 FA3 FA2 FA1 FA0 Read / Write: R/W R/W R/W R/W R/W R/W R/W R/W Reset value: 0 0 0 0 0 0 0 0 FA7 ~ FA0: flash address-low for ISP function The ISPFAH & ISPFAL provide the 16-bit flash memory address for ISP function. The flash memory address should not include the ISP service program space address. If the flash memory address indicated by ISPFAH & ISPFAL registers overlay with the ISP service program space address, the flash program/page erase of ISP function executed thereafter will have no effect. |
Nº de peça semelhante - SM59364 |
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Descrição semelhante - SM59364 |
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