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參數(shù)資料
| 型號(hào)： | MB91F267NAPMC-GSE1 |
| 廠商： | Fujitsu Semiconductor America Inc |
| 文件頁數(shù)： | 26/53頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU FLASH 128KB FLASH 64LQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | FR MB91265A |
| 核心處理器： | FR60Lite RISC |
| 芯體尺寸： | 32-位 |
| 速度： | 33MHz |
| 連通性： | CAN，UART/USART |
| 外圍設(shè)備： | DMA，WDT |
| 輸入/輸出數(shù)： | 49 |
| 程序存儲(chǔ)器容量： | 128KB（128K x 8） |
| 程序存儲(chǔ)器類型： | 閃存 |
| RAM 容量： | 4K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 4 V ~ 5.5 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 11x8/10b |
| 振蕩器型： | 外部 |
| 工作溫度： | -40°C ~ 105°C |
| 封裝/外殼： | 64-LQFP |
| 包裝： | 托盤 |
| 配用： | 865-1102-ND - BOARD EVAL RS232 100QFP |
| 其它名稱： | 865-1091 |
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35
8183F–AVR–06/12
ATtiny24A/44A/84A
7.3
Power Reduction Register
The Power Reduction Register (PRR), see “PRR – Power Reduction Register” on page 37, pro-
vides a method to reduce power consumption by stopping the clock to individual peripherals.
When the clock for a peripheral is stopped then:
The current state of the peripheral is frozen.
The associated registers can not be read or written.
Resources used by the peripheral will remain occupied.
The peripheral should in most cases be disabled before stopping the clock. Clearing the PRR bit
wakes up the peripheral and puts it in the same state as before shutdown.
Peripheral shutdown can be used in Idle mode and Active mode to significantly reduce the over-
all power consumption. See “Supply Current of I/O Modules” on page 182 for examples. In all
other sleep modes, the clock is already stopped.
7.4
Minimizing Power Consumption
There are several issues to consider when trying to minimize the power consumption in an AVR
controlled system. In general, sleep modes should be used as much as possible, and the sleep
mode should be selected so that as few as possible of the device’s functions are operating. All
functions not needed should be disabled. In particular, the following modules may need special
consideration when trying to achieve the lowest possible power consumption.
7.4.1
Analog to Digital Converter
If enabled, the ADC will be enabled in all sleep modes. To save power, the ADC should be dis-
abled before entering any sleep mode. When the ADC is turned off and on again, the next
conversion will be an extended conversion. See “Analog to Digital Converter” on page 132 for
details on ADC operation.
7.4.2
Analog Comparator
When entering Idle mode, the Analog Comparator should be disabled if not used. When entering
ADC Noise Reduction mode, the Analog Comparator should be disabled. In the other sleep
modes, the Analog Comparator is automatically disabled. However, if the Analog Comparator is
set up to use the Internal Voltage Reference as input, the Analog Comparator should be dis-
abled in all sleep modes. Otherwise, the Internal Voltage Reference will be enabled,
independent of sleep mode. See “Analog Comparator” on page 128 for details on how to config-
ure the Analog Comparator.
7.4.3
Brown-out Detector
If the Brown-out Detector is not needed in the application, this module should be turned off. If the
Brown-out Detector is enabled by the BODLEVEL Fuses, it will be enabled in all sleep modes,
and hence, always consume power. In the deeper sleep modes, this will contribute significantly
to the total current consumption. See “Brown-out Detection” on page 40 and “Software BOD Dis-
able” on page 34 for details on how to configure the Brown-out Detector.
7.4.4
Internal Voltage Reference
The Internal Voltage Reference will be enabled when needed by the Brown-out Detection, the
Analog Comparator or the ADC. If these modules are disabled as described in the sections
above, the internal voltage reference will be disabled and it will not be consuming power. When
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB91F267NPMC-G | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontroller |
| MB91F267NPMC-GE1 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontroller |
| MB91F267NPMC-GS | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontroller |
| MB91F267NPMC-GSE1 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontroller |
| MB91F267NPMCR-GE1 | 制造商:FUJITSU 功能描述: 制造商:FUJITSU 功能描述:MCU 32BIT FR 128K FLASH 64LQFP 制造商:FUJITSU 功能描述:MCU, 32BIT, FR, 128K FLASH, 64LQFP 制造商:FUJITSU 功能描述:MCU, 32BIT, FR, 128K FLASH, 64LQFP, Controller Family/Series:FR60, Core Size:32b 制造商:FUJITSU 功能描述:IC, 32BIT MCU, FR60, 33MHZ, LQFP-64, Controller Family/Series:FR60, Core Size:32bit, No. of I/O's:48, Supply Voltage Min:4V, Supply Voltage Max:5.5V, Digital IC Case Style:LQFP, No. of Pins:64, Program Memory Size:128KB, MSL:- , RoHS Compliant: Yes |
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