HD64F2149YV datasheet(116/1075 Pages) RENESAS

116 / 1075 page

Section 3 MCU Operating Modes

Rev. 3.00 Jan 18, 2006 page 88 of 1044

REJ09B0280-0300

Mode 3/EXPE = 0

(normal single-chip mode)

H'0000

H'DFFF

H'0000

H'DFFF

H'0000

External address

space

On-chip ROM

Mode 3/EXPE = 1

(normal expanded mode

with on-chip ROM enabled)

Mode 1

(normal expanded mode

with on-chip ROM disabled)

H'EFFF

H'E880

H'EFFF

H'E880

H'FEFF

H'FFFF

H'FE50

H'FF7F

H'FF80

H'FF00

Internal I/O registers 2

On-chip RAM*

Internal I/O registers 1

H'EFFF

On-chip RAM*

On-chip RAM

H'E880

H'E080

H'FEFF

H'FFFF

H'FE50

H'FF7F

H'FF80

H'FF00

On-chip RAM

(128 bytes)*

External address

space

Internal I/O registers 3

H'FE4F

H'F7FF

H'F800

H'F000

Internal I/O registers 2

Internal I/O registers 1

On-chip RAM

(128 bytes)*

External address

space

H'FE4F

H'F7FF

H'F800

H'F000

Internal I/O registers 3

External address

space

Internal I/O registers 2

Internal I/O registers 1

On-chip RAM

(128 bytes)

H'FEFF

H'FFFF

H'FE50

Internal I/O registers 3

Reserved area*

Reserved area

H'FE4F

H'F800

H'FF7F

H'FF80

H'FF00

Note: * External addresses can be accessed by clearing the RAME bit in SYSCR to 0.

Figure 3.1 H8S/2169 or H8S/2149 Memory Map in Each Operating Mode

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