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The 68060 is the last 68000 family processor from Motorola. Signetics (Philips) produced a 68000-based variant that they somewhat confusingly named the 68070 . It contains a modestly-improved 68000 CPU, a simple on-chip MMU and an I²C bus controller.
Motorola mainly used even numbers for major revisions to the CPU core such as 68000, 68020, 68040 and 68060. The 68010 was a revised version of the 68000 with minor modifications to the core, and likewise the 68030 was a revised 68020 with some more powerful features, none of them significant enough to classify as a major upgrade to the core.
The Amiga 4000T, also known as A4000T, is a tower version of Commodore's A4000 personal computer. Using the AGA chipset, it was originally released in small quantities in 1994 with a 25 MHz Motorola 68040 CPU, and re-released in greater numbers by Escom in 1995, after Commodore's demise, along with a new variant which featured a 50 MHz Motorola 68060 CPU.
The accelerator board was famous for its high performance due to its 64 bit wide memory bus and PowerPC 604e processor. [25] According to Phase 5 it could sustain memory transfers up to 68 MB/s on the 68060 and up to 160 MB/s on the 604e. PowerPC 604e at 150, 180, 200 or 233 MHz; 68040 at 25 MHz or 68060 at 50 MHz
The CPU can be upgraded to a 68010 by direct replacement. Official and third-party expansion boards, which fit in the CPU expansion slot, feature 68020 , 68030 , 68040 or 68060 microprocessors. Such upgrades may also accommodate additional RAM, FPUs , MMUs and even SCSI controllers.
Although it is a significant upgrade, the A1200 did not sell as well as the 500 and proved to be Commodore's last lower-budget model before filing for bankruptcy in 1994. This is mainly because the 1200 failed to repeat the technological advantage over competitors like the first Amiga systems. The AGA chipset was something of a disappointment.
v1: Intended to support migration from 8-bit microcontrollers, it is a cut-down version of the v2 processor-wise. It was launched in 2006, 12 years after the original ColdFire. It is designed to easily replace the 8-bit Freescale 68HC08 microcontrollers and compete with low-end ARM chips. v2: The original ColdFire core launched in 1994.
The stock A4000 shipped with either a Motorola 68EC030 or 68040 CPU, 2 MB of Amiga Chip RAM and up to 16 MB of additional RAM in 32-bit SIMMs. [2] There is a non-functional jumper that was intended to expand the "chip RAM" to 8MB. [3] Later, third-party developers created various CPU expansion boards featuring higher-rated 68040, 68060 and ...