TS80C31X2-LLCB 查看數據表（PDF） - Atmel Corporation

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TS80C31X2-LLCB

8-bit CMOS Microcontroller ROMless

Atmel Corporation 

TS80C31X2

Table 4. AUXR1: Auxiliary Register 1

7

6

5

4

3

2

-

-

-

-

-

-

Bit

Number

7

Bit

Mnemonic

Description

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

6

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

5

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

4

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

3

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

2

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

1

-

Reserved

The value read from this bit is indeterminate. Do not set this bit.

Data Pointer Selection

0

DPS

Clear to select DPTR0.

Set to select DPTR1.

Reset Value = XXXX XXX0

Not bit addressable

1

0

-

DPS

Application

Software can take advantage of the additional data pointers to both increase speed and reduce code size, for

example, block operations (copy, compare, search ...) are well served by using one data pointer as a ’source’

pointer and the other one as a "destination" pointer.

10

Rev. C - 15 January, 2001

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