Revision as of 15:51, 7 February 2016

MARC4 Family
Developer	Eurosil, Temic, Atmel
Manufacturer	Atmel, Eurosil
Type	microcontrollers
Production	1985-2014
Architecture	4-bit, Harvard architecture
ISA	MARC4
Word size	4 bit 0.5 octets 1 nibbles
Technology	CMOS
Clock	32 kHz-8 MHz
Package	SO16, SO20, SO24, SO28, SO44, QFP80

The MARC4 was a family of 4-bit microcontrollers initially developed by Eurosil in the mid 1980s. Eurosil was later sold to Temic (TELEFUNKEN) and in 1998 was sold off to Atmel which continued to manufacture it well into the 2000s. The MARC4 targeted the ultra-low power and wireless market.

History

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Members

Atmel (>=1998)

1. ↑ ^{1.0 1.1 1.2} Fabricated on a separate die, packaged together on the same IC package

Temic Semi (<1998)

Older TELEFUNKEN parts, they were still manufactured by Atmel for some time after MARC4 transition to Atmel.

Design

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ISA

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Documents

• MARC4 Microcontrollers Programmer's Guide (Atmel)
• MARC4 User's Guide qFORTH Compiler (Atmel)
• MARC4 Microcontrollers Programmer's Guide (Temic, 1994)
• Atmel MARC4 brochure
• Atmel SMART RF

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