32186 datasheet(145/1032 Pages) RENESAS

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INTERNAL MEMORY

6-3

32185/32186 Group Hardware Manual

Rev.1.10 REJ09B0235-0110 May 15, 07

The diagram below shows the areas in 16-Kbyte units of the internal RAM that can individually be disabled

against write by the RAM protect function.

Table 6.3.1 Definition of the Write Disabled Area

Area

Target address

M32185F4

M32186F8

Area 0

H'0080 4000 - H'0080 7FFF

M32185F4

M32186F8

Area 1

H'0080 8000 - H'0080 BFFF

Internal RAM

Area 2

H'0080 C000 - H'0080 FFFF

32 KB

64KB

Area 3

H'0081 0000 - H'0081 3FFF

Area 4

H'0081 4000 - H'0081 7FFF

Area 5

H'0081 8000 - H'0081 BFFF

Area 6

H'0081 C000 - H'0081 FFFF

Area 7

H'0082 0000 - H'0082 3FFF

Area 8

H'0082 4000 - H'0082 7FFF

Area 9

H'0082 8000 - H'0082 BFFF

External area

Area 10

H'0082 C000 - H'0082 FFFF

224 KB

192 KB

Area 11

H'0083 0000 - H'0083 3FFF

Area 12

H'0083 4000 - H'0083 7FFF

Area 13

H'0083 8000 - H'0083 BFFF

Area 14

H'0083 C000 - H'0083 FFFF

Area 15

H'0084 0000 - H'0084 3FFF

A register map associated with the internal RAM protect function is shown below.

Internal RAM Protect Related Register Map

Address

+0 address

+1 address

See pages

b7 b8

b15

H'0080 0530

RAM Write Monitor Interrupt Status Register

6-4

(RAMWRIST)

H'0080 0532

(Use inhibited area)

H'0080 0534

RAM Write Source Status Register

6-5

(RAMWRFST)

H'0080 0536

(Use inhibited area)

H'0080 0538

RAM Write Disable Control Register

6-6

(RAMWRCNT)

H'0080 053A

(Use inhibited area)

H'0080 053C

(Use inhibited area)

RAM Write Disable Protect Register

6-7

(RAMWRPROT)

6.3 Internal RAM Protect Function

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