Renesas Renasas Single-Chip Microcomputer SH7086 Manual de usuario descargar pdf (Pagina 49)

Chapter 2 Addressing Modes

base

address

Address register relative

base:8[A0]

base:8[A1]

base:16[A0]

base:16[A1]

SB relative

bit,base:8[SB]

bit,base:11[SB]

bit,base:16[SB]

Memory

address

base

Bit position

2.5 Bit Instruction Addressing

The bit that is as much away

from bit 0 at the address indi-

cated by base as the number of

bits indicated by address register

(A0/A1) is the object to be

operated on.

However, if the address of the bit

to be operated on exceeds

0FFFF16, the bits above bit 17

are ignored and the address

returns to 0000016.

The address range that can be

specified by address register

(A0/A1) is 8,192 bytes from

base.

The bit that is as much away from

bit 0 at the address indicated by

static base register (SB) plus the

value indicated by base (added not

including the sign bits) as the

number of bits indicated by bit is the

object to be operated on.

However, if the address of the bit to

be operated on exceeds 0FFFF16,

the bits above bit 17 are ignored and

the address returns to 0000016.

The address ranges that can be

specified by bit,base: 8, bit,base:

11, and bit,base:16 respectively are

32 bytes, 256 bytes, and 8,192

bytes from the static base register

(SB) value.

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 307 308

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Renesas Renasas Single-Chip Microcomputer SH7086 Manual de usuario Pagina 49

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