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SST89V516RD Fiches technique(PDF) 11 Page - Microchip Technology |
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SST89V516RD Fiches technique(HTML) 11 Page - Microchip Technology |
11 / 94 page ©2013 Silicon Storage Technology, Inc. DS25093B 02/13 11 FlashFlex MCU SST89E516RD2 / SST89E516RD SST89V516RD2 / SST89V516RD Data Sheet Memory Organization The device has separate address spaces for program and data memory. Program Flash Memory There are two internal flash memory blocks in the device. The primary flash memory block (Block 0) has 64 KByte. The secondary flash memory block (Block 1) has 8 KByte. Since the total program address space is limited to 64 KByte, the SFCF[1:0] bit are used to control program bank selection. Please refer to Figure 6 for the program memory configuration. Program bank selection is described in the next section. The 64K x8 primary SuperFlash block is organized as 512 sectors, each sector consists of 128 Bytes. The 8K x8 secondary SuperFlash block is organized as 64 sectors, each sector consists also of 128 Bytes. For both blocks, the 7 least significant program address bits select the byte within the sector. The remainder of the program address bits select the sector within the block. Figure 6: Program Memory Organization 1273 F01.0 External 64 KByte EA# = 0 FFFFH 0000H 64 KByte Block 0 EA# = 1 SFCF[1:0] = 01, 10, 11 FFFFH 0000H 56 KByte Block 0 8 KByte Block 1 EA# = 1 SFCF[1:0] = 00 FFFFH 2000H 0000H 1FFFH |
Numéro de pièce similaire - SST89V516RD |
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Description similaire - SST89V516RD |
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