SH7764 Datasheet, PDF (1370/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 25 NAND Flash Memory Controller (FLCTL)
Continuous Sector Access: Continuous physical sectors can be read or written by specifying the
start physical sector of NAND-type flash memory and the number of sectors to be transferred.
Figure 25.11 shows an example of physical sector specification register and transfer count
specification register settings when transferring logical sectors 0 to 40, which are not contiguous
because of an unusable sector in NAND-type flash memory.
Physical Logical
sector sector
0
0
11
11
12
13
13
40
40
300
12
Values specified in registers by the CPU
Physical sector Sector transfer count
specification register specification register
(FLADR, ADR17 to 0) (FLCMDCR, SCTCNT) _{Transfer start}
00
12
Sector 0 to sector 11 are transferred
300
1
Transfer start
Sector 12 is transferred
13
28
Transfer start
Sector 13 to sector 40 are transferred
Figure 25.11 Sector Access when Unusable Sector Exists in Continuous Sectors
Rev. 1.00 Nov. 22, 2007 Page 1314 of 1692
REJ09B0360-0100