ARM Cortex-M0/M0+/M3/M4/M7의 특성 비교

ARM Cortex-M0/M0+/M3/M4/M7의 특성 비교

.	Cortex-M0	Cortex-M0+	Cortex-M3	Cortex-M4	Cortex-M7
Architecture Version	ARMv6-M (Von Neuman)	ARMv6-M (Von Neuman)	ARMv7-M (Harvard>	ARMv7E-M (Harvard)	ARMv7E-M (Harvard)
Instruction Set	Thumb, Thumb-2	Thumb, Thumb-2	Thumb, Thumb-2	Thumb,Thumb-2, DSP, SIMD, FPU	Thumb,Thumb-2, DSP, SIMD, FPU
Dhrystone DMIPS/MHz	0.87	0.95	1.25	1.27	2.14
CoreMark/MHz	2.33	2.46	3.34	3.40	5.04
Bus Protocol	AHB Lite	AHB Lite	AHB Lite, APB	AHB Lite, APB	AHB Lite, AXI, APB
Pipeline Stage	3	2	3	3	6
Instruction/Data Cache	No	No	No	No	4~64KB/4~64KB
TCM(Instruction/Data)	No	No	No	No	0~16KB/0~16KB
Number of Interrupts	1~32 +NMI	1~32 + NMI	1~240 + NMI	1~240 + NMI	1~240 + NMI
Interrupt Priority	4	4	8~256	8~256	8~256
Debug	JTAG, SWD	JTAG, SWD	JTAG, SWD	JTAG, SWD	JTAG, SWD
Memory Protection Unit	No	No	Yes(option)	Yes(option)	Yes(option)
Bit Banding Support	No	No	Yes	Yes	Yes
Single Cycle Multiply	Yes(option)	Yes(option)	Yes	Yes	Yes
Hardware Divide	No	No	Yes	Yes	Yes
Single Cycle DSP/SIMD	No	No	No	Yes	Yes
Floation Point Hardware	No	No	No	single precision	single/double precision
CMSIS support	Yes	Yes	Yes	Yes	Yes
Power Consumption	12.5uW/MHz	9.8uW/MHz	31uW/MHz	32.82uW/MHz	53uW/MHz
Anouncement Year	2009	2012	2004	2010	2014