83C51KB Просмотр технического описания (PDF) - Intel

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83C51KB

HIGH PERFORMANCE KEYBOARD MICROCONTROLLER

Intel 

83C51KB HIGH PERFORMANCE KEYBOARD MICROCONTROLLER

4.0 83C51KB MEMORY

Code

Memory

Description

Table 3. 83C51KB Memory Map

FFFFH

0000H

External code memory

0FFFH

0000H

4-Kbyte on-chip code memory array.

Data

Memory

Description

FFFFH

0000H

External data memory

00FFH

0080H

Special function registers

007FH

0020H

On-chip RAM

001FH

0000H

4 banks of general purpose registers, R0-R7

NOTE:

1. The special function registers (SFRs) are accessible by direct addressing only.

2. Data in this area is accessible by indirect addressing only.

3. RD#/WR# active for these external data addresses.

4. PSEN# active for the external code addresses.

5. Addresses 20H through 2FH are bit addressable.

Notes

4

2, 3

1

5

5

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