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PSD813F2 データシート(PDF) 26 Page - STMicroelectronics |
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PSD813F2 データシート(HTML) 26 Page - STMicroelectronics |
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26 / 128 page  Detailed operation PSD8XXFX 26/128 Doc ID 7833 Rev 7 6 Detailed operation As shown in Figure 4, the PSD consists of six major types of functional blocks: ● Memory blocks ● PLD blocks ● MCU bus interface ● I/O ports ● Power management unit (PMU) ● JTAG interface The functions of each block are described in the following sections. Many of the blocks perform multiple functions, and are user configurable. 6.1 Memory blocks The PSD has the following memory blocks: ● Primary Flash memory ● Optional Secondary Flash memory ● Optional SRAM The Memory Select signals for these blocks originate from the Decode PLD (DPLD) and are user-defined in PSDsoft Express. Table 9. Memory block size and organization Sector number Primary Flash memory Secondary Flash memory SRAM Sector size (Kbytes) Sector select signal Sector size (Kbytes) Sector select signal SRAM size (Kbytes) SRAM select signal 0 32 FS0 16 CSBOOT0 256 RS0 1 32 FS1 16 CSBOOT1 2 32 FS2 16 CSBOOT2 3 32 FS3 16 CSBOOT3 432 FS4 532 FS5 632 FS6 732 FS7 Total 512 8 sectors 64 4 sectors 256 Obsolete Product(s) - Obsolete Product(s) |
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