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]/]'s '''DragonBall''', or '''MC68328''', is a ] design based on the famous ] core, but implemented as an all-in-one low-power solution for ] use. It was designed by Motorola in ] and released in 1995.<ref>{{cite web | url=http://pdadb.net/index.php?m=cpu&id=c68328&c=motorola_dragonball_mc68328 | title=Motorola DragonBall MC68328 CISC SoC | accessdate=2010-01-27 | publisher=PDAdb.net}}</ref> ]/]'s '''DragonBall''', or '''MC68328''', is a ] design based on the famous ] core, but implemented as an all-in-one low-power system for ] use. It is supported by ]. It was designed by Motorola in ] and released in 1995.<ref>{{cite web | url=http://pdadb.net/index.php?m=cpu&id=c68328&c=motorola_dragonball_mc68328 | title=Motorola DragonBall MC68328 CISC SoC | access-date=2010-01-27 | publisher=PDAdb.net}}</ref>


The DragonBall's major design win was in earlier versions of the ] platform; however, from ] 5 onwards it has been superseded by ]-based processors from ] and ]. The processor is also used in some of the ] line of portable ]s. Examples include the Dana and Dana Wireless.] The DragonBall's major design win was in numerous ]. However, from ] 5 onwards their use was superseded by ]-based processors from ] and ].


The processor is capable of speeds of up to 16.58&nbsp;MHz and can run up to 2.7 MIPS (million instructions per second), for the base 68328 and '''DragonBall EZ''' (MC68EZ328) model. It was extended to 33&nbsp;MHz, 5.4 MIPS for the '''DragonBall VZ''' (MC68VZ328) model, and 66&nbsp;MHz, 10.8 MIPS for the '''DragonBall Super VZ''' (MC68SZ328). A model capable of over 9000.0 MIPS was planned but never released. The processor is capable of speeds of up to 16.58&nbsp;] and can run up to 2.7 MIPS (]), for the base 68328 and '''DragonBall EZ''' (MC68EZ328) model. It was extended to 33&nbsp;MHz, 5.4 MIPS for the '''DragonBall VZ''' (MC68VZ328) model,<ref>{{cite web | url=http://pdadb.net/index.php?m=cpu&id=c68328vz&c=motorola_dragonball_vz_mc68vz328 | title=Motorola DragonBall MC68VZ328 CISC SoC | access-date=2012-09-25 | publisher=PDAdb.net}}</ref> and 66&nbsp;MHz, 10.8 MIPS for the '''DragonBall Super VZ''' (MC68SZ328).


It is a 32-bit processor with 32-bit internal and external address bus (24-bit external address bus for EZ and VZ variants) and 32-bit data bus.<ref></ref> It has many built-in functions, like a color and grayscale display controller, ] sound, serial port with UART and IRDA support, UART bootstrap, real time clock, is able to directly access DRAM, Flash ROM, and mask ROM, and has built-in support for touch screens. It is a 32-bit processor with 32-bit internal and external address bus (24-bit external address bus for EZ and VZ variants) and 32-bit data bus (8/16-bit external data bus).<ref>{{cite web| url = http://pdadb.net/index.php?m=cpu&id=c68328ez&c=motorola_dragonball_ez_mc68ez328| title = Motorola DragonBall EZ MC68EZ328 CISC SoC}}</ref> It has many built-in functions, like a color and grayscale display controller, ] sound, serial port with UART and IRDA support, UART bootstrap, real time clock, is able to directly access DRAM, Flash ROM, mask ROM, and has built-in support for touch screens.


⚫ The more recent '''DragonBall MX''' series microcontrollers, later renamed the Freescale ] (MC9328MX/MCIMX) series, are intended for similar application to the earlier DragonBall devices but are based on an ] processor core instead of a 68000 core.
It is an all-in-one computer on a chip; before the DragonBall EZ, Palm handhelds had twice as many ICs.

⚫ The more recent '''DragonBall MX''' series microcontrollers, later renamed the Freescale ] (MC9328MX/MCIMX) series, are intended for similar application to the earlier DragonBall devices but are based on an ]9 or ARM11 processor core instead of a 68000 core.


== References == == References ==
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== External links ==
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{{Motorola processors}} {{Motorola processors}}


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Latest revision as of 10:39, 20 January 2024

Motorola DragonBall EZ Microprocessor

Motorola/Freescale Semiconductor's DragonBall, or MC68328, is a microcontroller design based on the famous 68000 core, but implemented as an all-in-one low-power system for handheld computer use. It is supported by μClinux. It was designed by Motorola in Hong Kong and released in 1995.

The DragonBall's major design win was in numerous devices running the Palm OS platform. However, from Palm OS 5 onwards their use was superseded by ARM-based processors from Texas Instruments and Intel.

The processor is capable of speeds of up to 16.58 MHz and can run up to 2.7 MIPS (million instructions per second), for the base 68328 and DragonBall EZ (MC68EZ328) model. It was extended to 33 MHz, 5.4 MIPS for the DragonBall VZ (MC68VZ328) model, and 66 MHz, 10.8 MIPS for the DragonBall Super VZ (MC68SZ328).

It is a 32-bit processor with 32-bit internal and external address bus (24-bit external address bus for EZ and VZ variants) and 32-bit data bus (8/16-bit external data bus). It has many built-in functions, like a color and grayscale display controller, PC speaker sound, serial port with UART and IRDA support, UART bootstrap, real time clock, is able to directly access DRAM, Flash ROM, mask ROM, and has built-in support for touch screens.

The more recent DragonBall MX series microcontrollers, later renamed the Freescale i.MX (MC9328MX/MCIMX) series, are intended for similar application to the earlier DragonBall devices but are based on an ARM processor core instead of a 68000 core.

References

  1. "Motorola DragonBall MC68328 CISC SoC". PDAdb.net. Retrieved 2010-01-27.
  2. "Motorola DragonBall MC68VZ328 CISC SoC". PDAdb.net. Retrieved 2012-09-25.
  3. "Motorola DragonBall EZ MC68EZ328 CISC SoC".
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