Rockwell

Rockwell R6501

Processor

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CPU cores

1^*

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Processing & platform

CPU cores

1^*

System configuration

Detailed specifications

Specifications · 29 fields

Additional instructions

• Set Memory Bit (SMB)^*
• Resent Memory Bit (RMB)^*
• Branch on Bit Set (BBS)^*
• Branch on Bit Reset (BBR)^*
• Decimal^*
• and binary modes^*

Address bus declaration

16^*

Architecture declaration

8^*

Component type

CPU^*

Core design

R6501^*

Declared processor cores

1^*

Core designer

Rockwell^*

Family

6500/1^*

Floating-point unit declaration

No^*

Scope and conditions

FPU implementation

Integrated or external scope unspecified^*

Maximum or typical clock declaration

1^* MHz

Scope and conditions

Clock type

Maximum or typical; base or boost role unspecified^*

Instruction set

• 6502^*

I/O logic compatibility

TTL^*

Instruction-set architecture

6502^*

L1 data cache declaration

No^*

L1 instruction cache declaration

No^*

Unified L1 cache declaration

No^*

L2 cache declaration

No^*

L3 cache declaration

No^*

Manufacturer

Rockwell^*

Multiprocessing declaration

No^*

On-chip peripherals

• Clock generator^*
• interrupt logic^*
• bus controller^*
• counter/timer^*
• serial^*
• edge detect^*

Part number

R6501^*

Fabrication technology

NMOS-3^*

On-chip RAM declaration

192^* B

Maximum RAM declaration

64^* KiB

On-chip ROM declaration

No^*

Core supply voltage range

4.75^* – 5.25^* V

Typical core supply voltage

5^* V

I/O supply voltage

5^* V

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