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SM59264C40 Arkusz danych(PDF) 9 Page - SyncMOS Technologies,Inc |
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SM59264C40 Arkusz danych(HTML) 9 Page - SyncMOS Technologies,Inc |
9 / 36 page SyncMOS Technologies International, Inc. SM59264 8-Bits Micro-controller with 128KB flash & 1KB RAM & TWSI & SPWM embedded Specifications subject to change without notice contact your sales representatives for the most recent information. Ver 2.1 SM59264 08/2006 9 Note: External RAM address structure for reading the on-chip data flash. 1.2.1 Data Memory - Lower 128 byte ($00 to $7F) Data Memory $00 to $FF is the same as 8052. The address $00 to $7F can be accessed by direct and indirect addressing modes. Address $00 to $1F is register area. Address $20 to $2F is memory bit area. Address $30 to $7F is for general memory area. 1.2.2 Data Memory - Higher 128 byte ($80 to $FF) The address $80 to $FF can be accessed by indirect addressing mode or by bank mapping direct addressing mode. Address $80 to $FF is data area. 1.3 Data Flash - ($0000 to $FFFF) SM59264 has 64K byte on-chip data flash embedded. The 64KB on-chip data flash can be read by direct external addressing mode (by MOVX instruction) which means user does not need to care about 17th flash address bit (FA16). To read 64KB on-chip data flash is similar to read 64KB external RAM. However, to write (program) data flash is much different from to read data flash. User need to use SyncMOS proprietary ISP function, such as byte program/chip erase/page erase/protect, to the data flash. To do ISP function to data flash need to set FAU0 bit of ISPC ($F7) at first. User has to recognize 64K program ROM flash and 64KB data flash as combined one single 128KB flash area for ISP function. 64K byte data flash resides on top of the 64K byte program ROM flash. Please see ISP function description on page 14 for detail. |
Podobny numer części - SM59264C40 |
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Podobny opis - SM59264C40 |
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