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參數(shù)資料
| 型號： | R5F2L368CDFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 10 X 10 MM, 0.50 MM PITCH, PLASTIC, LQFP-64 |
| 文件頁數(shù)： | 29/74頁 |
| 文件大小： | 959K |
| 代理商： | R5F2L368CDFP |
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36
2588F–AVR–06/2013
ATtiny261/461/861
7.
Power Management and Sleep Modes
The high performance and industry leading code efficiency makes the AVR microcontrollers an
ideal choise for low power applications. In addition, sleep modes enable the application to shut
down unused modules in the MCU, thereby saving power. The AVR provides various sleep
modes allowing the user to tailor the power consumption to the application’s requirements.
7.1
Sleep Modes
Figure 6-1 on page 24 presents the different clock systems and their distribution in
ATtiny261/461/861. The figure is helpful in selecting an appropriate sleep mode. Table 7-1
shows the different sleep modes and their wake up sources.
Note:
1. For INT0 and INT1, only level interrupt.
2. When PLL selected as system clock.
To enter any of the sleep modes, the SE bit in MCUCR must be written to logic one and a
SLEEP instruction must be executed. The SM1:0 bits in the MCUCR Register select which sleep
mode (Idle, ADC Noise Reduction, Power-down, or Standby) will be activated by the SLEEP
instruction. See Table 7-2 for a summary.
If an enabled interrupt occurs while the MCU is in a sleep mode, the MCU wakes up. The MCU
is then halted for four cycles in addition to the start-up time, executes the interrupt routine, and
resumes execution from the instruction following SLEEP. The contents of the Register File and
SRAM are unaltered when the device wakes up from sleep. If a reset occurs during sleep mode,
the MCU wakes up and executes from the Reset Vector.
Note that if a level triggered interrupt is used for wake-up the changed level must be held for
some time to wake up the MCU (and for the MCU to enter the interrupt service routine). See
“External Interrupts” on page 51 for details.
7.1.1
Idle Mode
When bits SM1:0 are written to 00, the SLEEP instruction makes the MCU enter Idle mode,
stopping the CPU but allowing Analog Comparator, ADC, Timer/Counter, Watchdog, and the
interrupt system to continue operating. This sleep mode basically halts clk
CPU and clkFLASH, while
allowing the other clocks to run.
Table 7-1.
Active Clock Domains and Wake-up Sources in Different Sleep Modes
Sleep Mode
Active Clock Domains
Osc.
Wake-up Sources
clk
CP
U
clk
FLASH
clk
IO
clk
AD
C
clk
PC
K
clk
PLL
Main
Clo
ck
Source
Enab
led
IN
T0,
INT
1
and
Pin
Cha
nge
SPM
/EEPROM
Read
y
Interrupt
ADC
In
te
rru
p
t
USI
In
te
rru
p
t
Other
I/
O
W
a
tch
dog
In
te
rru
p
t
Idle
XXX
X(2)
X
XXXX
ADC Noise Reduct.
X
X(2)
XX(1)
XX
X
Power-down
X(1)
XX
Standby
X(1)
XX
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| R5F2L368CDFP#U0 | 功能描述:MCU 1KB FLASH 64K ROM 64-LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/Lx/36C 標(biāo)準(zhǔn)包裝:250 系列:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設(shè)備:POR，PWM，WDT 輸入/輸出數(shù):40 程序存儲器容量:- 程序存儲器類型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR) |
| R5F2L368CNFA#U0 | 功能描述:MCU 1KB FLASH 64K ROM 64-LQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/Lx/36C 標(biāo)準(zhǔn)包裝:96 系列:PIC® 16F 核心處理器:PIC 芯體尺寸:8-位 速度:20MHz 連通性:I²C，SPI 外圍設(shè)備:欠壓檢測/復(fù)位，POR，PWM，WDT 輸入/輸出數(shù):11 程序存儲器容量:3.5KB（2K x 14） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:128 x 8 電壓 - 電源 (Vcc/Vdd):2.3 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 包裝:管件 |
| R5F2L368CNFP#U0 | 功能描述:MCU 1KB FLASH 64K ROM 64-LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/Lx/36C 標(biāo)準(zhǔn)包裝:250 系列:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設(shè)備:POR，PWM，WDT 輸入/輸出數(shù):40 程序存儲器容量:- 程序存儲器類型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR) |
| R5F2L368CNFP#V2 | 制造商:Renesas Electronics Corporation 功能描述: 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 64KB FLASH 64LQFP |
| R5F2L368MDFA#V0 | 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 64KB FLASH 64LQFP |
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