SH7262 Datasheet, PDF (42/45 Pages) Renesas Technology Corp – High-speed Read/Write Serial Flash Memory

SH7262/SH7264 Group
High-speed Read/Write Serial Flash Memory
Using the Renesas Serial Peripheral Interface
3.24 Sample Program Listing "serial_flash.h" (2/2)
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#ifndef _SERIAL_FLASH_H_
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#define _SERIAL_FLASH_H_
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/* ==== Macro definition ==== */
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#define SF_PAGE_SIZE
256
/* Page size of serial flash memory */
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#define SF_SECTOR_SIZE 0x10000 /* Sector size = 64 KB */
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#define SF_NUM_OF_SECTOR 32
/* Number of sectors: 32 */
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enum sf_req{
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SF_REQ_PROTECT = 0,
/* Requests to protect */
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SF_REQ_UNPROTECT
/* Requests to unprotect */
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};
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/* ==== Function prototype declaration ==== */
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void sf_init_serial_flash(void);
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void sf_protect_ctrl(enum sf_req req);
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void sf_chip_erase(void);
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void sf_sector_erase(int sector_no);
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void sf_byte_program(unsigned long addr, unsigned char *buf, int size);
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void sf_byte_read(unsigned long addr, unsigned char *buf, int size);
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void sf_byte_read_long(unsigned long addr, unsigned long *buf, int size);
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/* ==== Variable definition ==== */
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#endif /* _SERIAL_FLASH_H_ */
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/* End of File */
REJ06B0889-0100/Rev.1.00
June 2009
Page 42 of 45