H8SSLASH2224 datasheet(814/1071 Pages) RENESAS

814 / 1071 page

Section 20 Flash Memory (F-ZTAT Version)

Rev. 5.00 Aug 08, 2006 page 728 of 982

REJ09B0054-0500

20.5.4

Erase Block Register 2 (EBR2)

EBR2 specifies the flash memory erase area block. EBR1 is initialized to H'00 when the SWE1 bit

in FLMCR1 is 0. Do not set more than one bit at a time, as this will cause all the bits in EBR1 and

EBR2 to be automatically cleared to 0.

• 384-kbyte Flash Memory

Bit

Bit Name Initial Value R/W

Description

7, 6

—

All 0

R/W

Reserved

These bits are always read as 0. The write value should

always be 0.

EB13

R/W

When this bit is set to 1, 64 kbytes of EB13 (H'050000 to

H'05FFFF) will be erased.

EB12

R/W

When this bit is 1, 64 kbytes of EB12 (H'040000 to

H'04FFFF) will be erased.

EB11

R/W

When this bit is set to 1, 64 kbytes of EB11 (H'030000 to

H'03FFFF) will be erased.

EB10

R/W

When this bit is set to 1, 64 kbytes of EB10 (H'020000 to

H'02FFFF) will be erased.

EB9

R/W

When this bit is set to 1, 64 kbytes of EB9

(H'010000 to H'01FFFF) will be erased.

EB8

R/W

When this bit is set to 1, 32 kbytes of EB8

(H'008000 to H'00FFFF) will be erased.

• 256-kbyte Flash Memory

Bit

Bit Name Initial Value R/W

Description

7 to 4 —

All 0

R/(W) Reserved

Initial values should not be changed.

EB11

R/W

When this bit is set to 1, 64 kbytes of EB11 (H'030000 to

H'03FFFF) will be erased.

EB10

R/W

When this bit is set to 1, 64 kbytes of EB10 (H'020000 to

H'02FFFF) will be erased.

EB9

R/W

When this bit is set to 1, 64 kbytes of EB9

(H'010000 to H'01FFFF) will be erased.

EB8

R/W

When this bit is set to 1, 32 kbytes of EB8

(H'008000 to H'00FFFF) will be erased.

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