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SM5964C25 データシート(PDF) 6 Page - SyncMOS Technologies,Inc |
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SM5964C25 データシート(HTML) 6 Page - SyncMOS Technologies,Inc |
6 / 26 page SyncMOS Technologies International, Inc. SM5964 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. Ver 2.2 SM5964 08/2006 6 Extension Function Description 1. Memory Structure The SM5964 is the general 8052 hardware core to integrate the ISP function as a single chip micro controller. It’s memory structure follows general 8052 structure . 1.1 Program Memory The SM5964 has 64K byte on-chip flash memory which used as general program memory, on which include up to 4K byte specific ISP service program memory space. The address range for the 64K byte is $0000 to $FFFF. The address range for the ISP service program is $F000 to $FFFF. The ISP service program size can be partitioned as N blocks of 512 byte (N=0 to 8). When N=0 means no ISP service program space available, total 64K byte memory used as program memory. When N=1 means memory address $FE00 to $FFFF reserved for ISP service program. When N=2 means memory address $FC00 to FFFF reserved for ISP service program,...etc. Value N can be set and programmed into SM5964 by writer. 1.1.1 Program Code Security MOVC instruction executed from external program memory space will not be able to fetch internal codes from on chip program memory after the chip is protected on the Writer. . |
同様の部品番号 - SM5964C25 |
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同様の説明 - SM5964C25 |
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