參數(shù)資料
型號(hào)： MC13224VR2
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： SPECIALTY MICROPROCESSOR CIRCUIT, PBGA99
封裝： 9.50 X 9.50 MM, 1.20 MM HEIGHT, ROHS COMPLIANT, LGA-99
文件頁(yè)數(shù)： 5/54頁(yè)
文件大?。?/td> 490K
代理商： MC13224VR2
MC1322x Technical Data, Rev. 1.3
Freescale Semiconductor
13
3.3
Low Power Operation and Power Management
The MC1322x is inherently a very low power device, but it also has extensive power management and an
onboard buck regulator option to maximize battery life.
3.3.1
Operating Current
The MC1322x operating currents are a function of operating mode. There are two basic low power modes
of Hibernate and Doze, and both have options of how much RAM contents are retained. The difference
between Hibernate and Doze is that Doze mode keeps the primary reference oscillator running.
Highest operating current is when the radio is active for transmit or receive. Refer to Section 7.4, “Supply
Current Characteristics” for more details and specifications.
3.3.2
Power Management
The MC1322x power management is controlled through the Clock and Reset Module (CRM). The CRM
is a dedicated module to handle MCU clock, reset, and power management functions which includes
control of the power regulators. All these functions have impact on attaining lowest power.
3.3.2.1
CRM Features
The CRM features include:
Control of system reset
Control clock gating for power savings
Sleep mode (Hibernate and Doze) management
— Degree of chip power down
— Retention of programmed parameters
— Programmable retention of RAM contents
— Clock management
Wake-up management
— Graceful power-up
— Clock management
— Wake-up via programmable timer or external interrupts.
Wake-up timer
— Hibernate mode - based on onboard 2 kHz oscillator or optional 32.768 kHz crystal oscillator
— Doze mode - based on main reference oscillator, typically 24 MHz
Controls reference clocks based on default 24 MHz crystal oscillator or optional 13-26 MHz
oscillator with PLL (external filter) for 24 MHz frequency synthesis.
MCU watchdog timer (COP)
Software initiated reset
Management control of onboard linear regulators and optional buck regulator
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC13224VR2 制造商:Freescale Semiconductor 功能描述:IC 32BIT MCU ARM7 26MHZ LGA-99
MC13224VR2-CUT TAPE 制造商:Freescale 功能描述:MC13224 Series 2.4 GHz PIP 250 KBps Surface Mount RF Transceiver - LGA-99
MC13226V 功能描述:射頻收發(fā)器 Kaibab PRO ROM SE 1.0 RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray
MC13226VR2 功能描述:射頻收發(fā)器 Kaibab PRO ROM SE 1.0 RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray
MC1322X 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Advanced ZigBee?- Compliant Platform-in-Package (PiP) for the 2.4 GHz IEEE? 802.15.4 Standard
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