参数资料
型号: ATMEGA1284-PU
厂商: Atmel
文件页数: 98/160页
文件大小: 0K
描述: IC MCU AVR 128K FLASH 40PDIP
产品培训模块: MCU Product Line Introduction
megaAVR Introduction
标准包装: 10
系列: AVR® ATmega
核心处理器: AVR
芯体尺寸: 8-位
速度: 20MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 32
程序存储器容量: 128KB(64K x 16)
程序存储器类型: 闪存
EEPROM 大小: 4K x 8
RAM 容量: 16K x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 5.5 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 40-DIP(0.600",15.24mm)
包装: 管件
配用: ATSTK600-RC05-ND - STK600 ROUTING CARD AVR
42
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
10. Power management and sleep modes
10.1
Overview
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.
When enabled, the Brown-out Detector (BOD) actively monitors the power supply voltage during
the sleep periods. To further save power, it is possible to disable the BOD in some sleep modes.
10.2
Sleep Modes
Fi gu re 9- 1 on pa ge 3 0 pr ese n ts th e d i ffer e n t clo ck sys tem s in th e At me l
ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P, and their distribution. The figure is
helpful in selecting an appropriate sleep mode. Table 10-1 shows the different sleep modes,
their wake up sources and BOD disable ability.
Notes:
1. Only recommended with external crystal or resonator selected as clock source.
2. If Timer/Counter2 is running in asynchronous mode.
To enter any of the sleep modes, the SE bit in SMCR must be written to logic one and a SLEEP
instruction must be executed. The SM2, SM1, and SM0 bits in the SMCR Register select which
sleep mode will be activated by the SLEEP instruction. See Table 10-2 on page 47 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.
Table 10-1.
Active Clock Domains and Wake-up Sources in the Different Sleep Modes.
Active Clock Domains
Oscillators
Wake-up Sources
So
ftw
are
B
O
D
Disdab
le
Sleep Mode
clk
CPU
clk
FLASH
clk
IO
clk
ADC
clk
ASY
Main
Clo
c
k
So
ur
ce
Enab
led
T
imer
Osc
Enab
led
IN
T2:
0
and
Pin
Chang
e
T
W
IAd
dress
Matc
h
Ti
m
e
r2
SPM/
EEPR
O
M
R
ead
y
AD
C
WD
T
I
n
te
rr
up
t
Oth
e
rI/O
Idle
X
XXXXXXX
ADCNRM
X
XX
XXX
Power-down
X
Power-save
X
XXX
X
Standby(1)
XX
X
Extended
Standby
XX(2)
XXX
X
相关PDF资料
PDF描述
VE-B2M-IY-F3 CONVERTER MOD DC/DC 10V 50W
VE-B2M-IY-F2 CONVERTER MOD DC/DC 10V 50W
ATMEGA3250V-8AU IC AVR MCU 32K 8MHZ 100TQFP
ATMEGA3250-16AU IC AVR MCU 32K 16MHZ 100TQFP
VE-B2L-IY-F3 CONVERTER MOD DC/DC 28V 50W
相关代理商/技术参数
参数描述
ATMEGA1284P-XPLD 功能描述:开发板和工具包 - AVR MEGA-1284P Xplained Evaluation kit RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:ATMega32U4 核心:AVR 接口类型:I2C, UART, USB 工作电源电压:6 V to 20 V
ATMEGA1284RFR2-ZF 制造商:Atmel Corporation 功能描述:2.4GHZ 128K SOC 48PIN IND 125C TRAY - Trays 制造商:Atmel Corporation 功能描述:IC MCU 8BIT 128KB FLASH 48VQFN 制造商:Atmel Corporation 功能描述:2.4GHZ 128K SOC 48pin Ind 125C Tray
ATMEGA1284RFR2-ZFR 制造商:Atmel Corporation 功能描述:2.4GHZ 128K SOC 48 PIN IND125C T&R - Tape and Reel 制造商:Atmel Corporation 功能描述:IC MCU 8BIT 128KB FLASH 48VQFN 制造商:Atmel Corporation 功能描述:2.4GHZ 128K SOC 48 pin Ind125C T&R
ATMEGA1284RFR2-ZU 制造商:Atmel Corporation 功能描述:2.4GHZ 802.15.4 128K SOC 48PIN TRAY - Trays 制造商:Atmel Corporation 功能描述:IC MCU 8BIT 128KB FLASH 48VQFN 制造商:Atmel Corporation 功能描述:2.4GHZ 802.15.4 128K SOC 48pin Tray
ATMEGA1284RFR2-ZUR 制造商:Atmel Corporation 功能描述:2.4GHZ 802.15.4 128K SOC 48PIN T&R - Tape and Reel 制造商:Atmel Corporation 功能描述:IC MCU 8BIT 128KB FLASH 48VQFN 制造商:Atmel Corporation 功能描述:2.4GHZ 802.15.4 128K SOC 48pin T&R