Renesas Renasas Single-Chip Microcomputer SH7086 Manual de usuario descargar pdf (Pagina 31)

100

101

Chapter 1 Overview

n-1

n+1

nÅ{1 n nÅ|1 0

b7 b0b7 b0b7 b0 b7 b0

b7 b0

BSET 2,AH ;

b7 b2 b0

b15 b10 b8b7 b0

b87 b82 b80b79 b72 b7 b0

b23 b18 b16b15 b8b7 b0

BSET 10,9H ;

BSET 18,8H ;

BSET 82,0H ;

Address 0000916

These specifica-

tion examples all

specify bit 2 of

address 0000A

16.

Address 00000

Address 0000816

Address 0000A16

1.7 Data Types

Figure 1.7.6 Examples of how to specify bit 2 of address 0000A16

(1) Bit specification by bit, base

Figure 1.7.5 shows the relationship between memory map and bit map.

Memory bits can be handled as an array of consecutive bits. Bits can be specified by a given combina-

tion of bit and base. Using bit 0 of the address that is set to base as the reference (= 0), set the desired

bit position to bit. Figure 1.7.6 shows examples of how to specify bit 2 of address 0000A

16.

Bit map

Memory map

Address

n+1 n n–1

Figure 1.7.5 Relationship between memory map and bit map

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 307 308

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