超低功耗MCU--适用于可穿戴、便携设备、SensorHub管理.doc

超低功耗MCU--适用于可穿戴、便携设备、SensorHub管理.docGiving batteries a better life
Apollo
How Disruptive Tech no logy Has
Redefined 'Low Power MCU'
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Revolutionary Advances in Ultra-Low Power
• Ambiq Micro is introducing the Apollo family of microcontrollers
Redefining low power1 with up to 10x reduction in energy consumption
Core tech no logy based on inno vative subthreshold voltage operati on
Subthreshold Power Optimized Technology (“SPOT”)
Energy (E) consumed is directly proportional to the square of the voltage (V) used:
E〜
Voltage
A
V
Voltage
A
V
Time
Conve ntional Semic on ductors
V
0
0
Time
Threshold
Voltage
Ambiq's SPOT approach
Subthreshold ope rati on can reduce en ergy usage by up to 13X
Prove n Tech no logy
2005
2006
RTC
MCU
2010
2009
2013
2007
2014
• Uses stan dard, main stream CMOS manu facturi ng process
• Proven over 8 years of development
• Extreme low power real-time clock (RTC) in production today
Introducing the Revolutionary Apollo MCU
Active Mode
30|jA/MHz
High Performanee
Cortex-M4F core
Sleep Mode
100nA
Apollo MCUs deliver unrivaled combination of power and performanee •Ambiq's tech no logy optimizes both active and sleep mode power
•ARM Cortex™-M4F core at power levels below competing M0+ solutions
Competitive Comparison: ARM Cortex-M4F
Ambiq
STMicro
Device
Apollo
STM32F401
Core
Cortex-M4F
Cortex-M4F
840uA
7100uA
Active Mode
@ 24MHz
***@20 MHz12
10x better
35 uA/MHz
355 uA/MHz
Sleep Mode
100nA
2800nA
28x better
Ambiq
Atmel
Device
Apollo
SAM4L
Core
Cortex-M4F
Cortex-M41
Active Mode
840uA
@ 24MHz
35 uA/MHz
186 uA/MHz @ 36 MHz2
better
100 uA/MHz ***@12MHz3
3x better
Sleep Mode
100nA
1500nA4
15x better
Con ditions:
CoreMark algorithm
Run from Flash (not SRAM) at
Peripherals disabled
Typical numbers
No