AT89C55WD(2002) View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT89C55WD
(Rev.:2002)

8-bit Microcontroller with 20K Bytes Flash

Atmel Corporation 

Table 4. AUXR1: Auxiliary Register 1

AUXR1

Address = A2H

Reset Value = XXXXXXX0B

Not Bit Addressable

–

–

–

–

–

–

–

DPS

Bit

7

6

5

4

3

2

1

0

–

DPS

Reserved for future expansion

Data Pointer Register Select

DPS

0

Selects DPTR Registers DP0L, DP0H

1

Selects DPTR Registers DP1L, DP1H

8 AT89C55WD

1921B–MICRO–09/02

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