ATMEGA103(1999) View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATMEGA103
(Rev.:1999)

8-bit Microcontroller with 64K/128K Bytes In-System Programmable Flash

Atmel Corporation 

Figure 7. Memory Configurations

Memory Configuration A

Program Memory

Program Flash

(32K/64K x 16)

$0000

Data Memory

32 Registers

64 I/O Registers

Internal SRAM

(4000 x 8)

$0000 - $001F

$0020 - $005F

$0060

$0FFF

$7FFF/$FFFF

Memory Configuration B

Program Memory

Program Flash

(32K/64K x 16)

$0000

Data Memory

32 Registers

64 I/O Registers

Internal SRAM

(4000 x 8)

$0000 - $001F

$0020 - $005F

$0060

$0FFF

$1000

External SRAM

(0 - 64K x 8)

$7FFF/

$FFFF

10

ATmega603/103

$FFFF

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