H8SXSLASH1663 datasheet(932/1158 Pages) RENESAS

932 / 1158 page

Section 21 Flash Memory (0.18-

µm F-ZTAT Version)

Rev.1.00 Jun. 07, 2006 Page 880 of 1102

REJ09B0294-0100

21.3.2

Block Diagram of H8SX/1664

Figure 21.4 shows the block structure of the 512-kbyte user MAT. The heavy-line frames indicate

the erase blocks. The thin-line frames indicate the programming units and the values inside the

frames stand for the addresses. The user MAT is divided into seven 64-kbyte blocks, one 32-kbyte

block, and eight 4-kbyte blocks. The user MAT can be erased in these divided block units.

Programming is done in 128-byte units starting from where the lower address is H'00 or H'80.

RAM emulation can be performed in the eight 4-kbyte blocks.

EB0

Erase unit: 4 kbytes

EB1

Erase unit: 4 kbytes

EB2

Erase unit: 4 kbytes

EB3

Erase unit: 4 kbytes

EB4

Erase unit: 4 kbytes

EB5

Erase unit: 4 kbytes

EB6

Erase unit: 4 kbytes

EB7

Erase unit: 4 kbytes

EB8

Erase unit: 32 kbytes

EB9

Erase unit: 64 kbytes

H'000000 H'000001 H'000002

H'00007F

H'000FFF

H'00107F

H'00207F

H'00307F

H'00407F

H'004FFF

H'00507F

H'005FFF

H'001FFF

H'002FFF

H'003FFF

H'01FFFF

H'00607F

H'006FFF

H'00707F

H'007FFF

H'00807F

H'00FFFF

H'01007F

←Programming unit: 128 bytes→

H'001000 H'001001 H'001002

H'002000 H'002001 H'002002

H'003000 H'003001 H'003002

H'004000 H'004001 H'004002

H'005000 H'005001 H'005002

H'006000 H'006001 H'006002

H'007000 H'007001 H'007002

H'008000 H'008001 H'008002

H'010000 H'010001 H'010002

H'000F80 H'000F81 H'000F82

H'001F80 H'001F81 H'001F82

H'002F80 H'002F81 H'002F82

H'003F80 H'003F81 H'003F82

H'004F80 H'004F81 H'004F82

H'00FF80 H'00FF81 H'00FF82

H'01FF80 H'01FF81 H'01FF82

H'005F80 H'005F81 H'005F82

H'006F80 H'006F81 H'006F82

H'007F80 H'007F81 H'007F82

– – – – – – – – – – – – – –

EB10

EB15

Erase unit: 64 kbytes

H'07FFFF

H'02007F

H'07007F

←Programming unit: 128 bytes→

H'020000 H'020001 H'020002

H'070000 H'070001 H'070002

H'0AFF80 H'0AFF81 H'0AFF82

H'07FF80 H'07FF81 H'07FF82

– – – – – – – – – – – – – –

H'0AFFFF

Figure 21.4 Block Structure of User MAT

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