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SM59264IHHK Folha de dados(PDF) 6 Page - SyncMOS Technologies,Inc |
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SM59264IHHK Folha de dados(HTML) 6 Page - SyncMOS Technologies,Inc |
6 / 32 page May 2002 Specifications subject to change without notice,contact your sales representatives for the most recent information. 6/32 Ver 1.0 PID 59264 05/02 SyncMOS Technologies Inc. SM59264 Addr SFR Reset 7 6 5 4 3 2 1 0 F4H ISPFAH 00H FA15 FA14 FA13 FA12 FA11 FA10 FA9 FA8 F5H ISPFAL 00H FA7 FA6 FA5 FA4 FA3 FA2 FA1 FA0 F6H ISPFD 00H FD7 FD6 FD5 FD4 FD3 FD2 FD1 FD0 F7H ISPC 0*0***00 START FAU0 ISPF1 ISPF0 Extension Function Description 1. Memory Structure The SM59264 is the general 8052 hardware core to integrate the expanded 768 byte data RAM, 64KB flash program mem- ory with ISP function module and 64KB data flash as a single chip micro controller. Its memory structure follows general 8052 structure plus SM59264 proprietary external RAM structure. 1.1 Program Memory The SM59264 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 SM59264 by writer. 64K Program memory space ISP service N=8 N=7 N=1 N=0 upto 4K program space FFFF FE00 FC00 FA00 F800 F600 F400 F200 F000 1FFFF 10000 64K data flash space The area need to have 17th address bit, A16, for doing ISP functions: (byte program, chip erase, page erase, protect) |
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