參數(shù)資料
型號： MCF5270
廠商： 飛思卡爾半導體(中國)有限公司
英文描述： 32-bit Embedded Controller Division
中文描述： 32位嵌入式控制器部
文件頁數(shù)： 18/56頁
文件大?。?/td> 1096K
代理商： MCF5270
MCF5271 Integrated Microprocessor Hardware Specification, Rev. 1.2
Modes of Operation
Freescale Semiconductor
18
5.2
Low Power Modes
The following features are available to support applications which require low power.
Four modes of operation:
— RUN
— WAIT
— DOZE
— STOP
Ability to shut down most peripherals independently.
Ability to shut down the external CLKOUT pin.
There are four modes of operation: RUN, WAIT, DOZE, and STOP. The system enters a low power mode
when the user programs the low power bits (LPMD) in the LPCR (Low Power Control Register) in the
CIM before the CPU core executes a STOP instruction. This idles the CPU with no cycles active. The
LPMD bits indicate to the system and clock controller to power down and stop the clocks appropriately.
During STOP mode, the system clock is stopped low.
A wakeup event is required to exit a low power mode and return back to RUN mode. Wakeup events
consist of any of the following conditions. See the following sections for more details.
1. Any type of reset.
2. Assertion of the BKPT pin to request entry into Debug mode.
3. Debug request bit in the BDM control register to request entry into debug mode.
4. Any valid interrupt request.
5.2.1
RUN Mode
RUN mode is the normal system operating mode. Current consumption in this mode is related directly to
the frequency chosen for the system clock.
D25, D24
Select chip select /
address line
00 PADDR[7:5] configured
as A23-A21 (default)
10 PADDR7 configured as
CS6,
PADDR[6:5] as A22-A21
01 PADDR[7:6] configured
as CS[6:5],
PADDR5 as A21
11 PADDR[7:5] configured
as CS[6:4]
JTAG_EN
Selects BDM or
JTAG mode
0 BDM mode
1 JTAG mode
Table 3. Configuration Pin Descriptions (continued)
Pin
Chip Configuration
Function
Pin State/Meaning
Comments
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相關代理商/技術參數(shù)
參數(shù)描述
MCF5270AB100 功能描述:微處理器 - MPU MCF5232 V2CORE 64KSRAM RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
MCF5270CAB100 功能描述:32位微控制器 - MCU MCF5270 V2CORE 64K SRAM RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風格:SMD/SMT
MCF5270CVM150 功能描述:微處理器 - MPU MCF5235 V2CORE RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
MCF5270CVM150J 功能描述:32位微控制器 - MCU V2CORE RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風格:SMD/SMT
MCF5270CVM150R2 功能描述:微處理器 - MPU MCF5270 V2CORE RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
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