H8SX1663 datasheet(110/1158 Pages) RENESAS

110 / 1158 page

Section 2 CPU

Rev.1.00 Jun. 07, 2006 Page 58 of 1102

REJ09B0294-0100

Example 2:

MOV.B @ER0

+, @ER0+

When ER0 before execution is H'00001000, H'00001000 is read and the contents is written at

H'00001001.

After execution, ER0 is H'00001002.

2.8.6

Absolute Address—@aa:8, @aa:16, @aa:24, or @aa:32

The operand value is the contents of a memory location which is pointed to by an absolute address

included in the instruction code.

There are 8-bit (@aa:8), 16-bit (@aa:16), 24-bit (@aa:24), and 32-bit (@aa:32) absolute

addresses.

To access the data area, the absolute address of 8 bits (@aa:8), 16 bits (@aa:16), or 32 bits

(@aa:32) is used. For an 8-bit absolute address, the upper 24 bits are specified by SBR. For a 16-

bit absolute address, the upper 16 bits are sign-extended. A 32-bit absolute address can access the

entire address space.

To access the program area, the absolute address of 24 bits (@aa:24) or 32 bits (@aa:32) is used.

For a 24-bit absolute address, the upper 8 bits are all assumed to be 0 (H'00).

Table 2.13 shows the accessible absolute address ranges.

Table 2.13

Absolute Address Access Ranges

Absolute

Address

Normal

Mode

Middle

Mode

Advanced

Mode

Maximum

Mode

Data area

8 bits

(@aa:8)

A consecutive 256-byte area (the upper address is set in SBR)

16 bits

(@aa:16)

H'0000 to

H'FFFF

H'00000000 to H'00007FFF,

H'FFFF8000 to H'FFFFFFFF

32 bits

(@aa:32)

H'000000 to

H'007FFF,

H'FF8000 to

H'FFFFFF

H'00000000 to H'FFFFFFFF

Program area

24 bits

(@aa:24)

H'000000 to

H'FFFFFF

H'00000000 to H'00FFFFFF

32 bits

(@aa:32)

H'00000000 to

H'00FFFFFF

H'00000000 to

H'FFFFFFFF

H8SX1663 数据表(PDF) 110 Page - Renesas Technology Corp

H8SX1663 数据表(HTML) 110 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载

链接网址

H8SX1663 数据表(PDF) 110 Page - Renesas Technology Corp

H8SX1663 数据表(HTML) 110 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表 下载

链接网址

数据表下载