ATMEGA169PA-AN Atmel, ATMEGA169PA-AN Datasheet - Page 40
ATMEGA169PA-AN
Manufacturer Part Number
ATMEGA169PA-AN
Description
MCU AVR 384KB FLASH 16MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA169PA-AN
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Manufacturer
Quantity
Price
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9. Power Management and Sleep Modes
9.1
9.2
Table 9-1.
Notes:
9.3
8284A–AVR–10/10
Sleep Mode
Idle
ADC NRM
Power-down
Power-save
Standby
Overview
Sleep Modes
1. Only recommended with external crystal or resonator selected as clock source.
2. If either LCD controller or Timer/Counter2 is running in asynchronous mode.
3. For INT0, only level interrupt.
BOD Disable
(1)
Active Clock Domains and Wake-up Sources in the Different Sleep Modes.
Active Clock Domains
(1)
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.
F i g u r e 8 - 1 o n p a g e 3 0
ATmega169A/169PA/329A/329PA/3290A/3290PA/649A/649P/6490A/6490P, and their distribu-
tion. The figure is helpful in selecting an appropriate sleep mode.
sleep modes and their wake up sources and BOD disable ability
Note:
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
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.
When the Brown-out Detector (BOD) is enabled by BODLEVEL fuses - see
313
period. To save power, it is possible to disable the BOD by software for some of the sleep-
modes, see
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
and onwards, the BOD is actively monitoring the power supply voltage during a sleep
X
1. BOD disable is only available for ATmega169PA/329PA/3290PA/6490P.
X
X
Table 9-1 on page
X
X
X
Oscillators
X
X
X
40. The sleep mode power consumption will then be at the same
X
X
X
(2)
(2)
p r e s e n t s t h e d i f f e r e n t c l o c k s y s t e m s i n t h e
X
X
X
X
X
(3)
(3)
(3)
(3)
X
X
X
X
X
X
Wake-up Sources
X
X
(2)
X
X
X
(2)
(1)
.
Table 9-1
Table 9-2 on page 45
X
X
Table 27-4 on page
shows the different
X
X
X
for a
X
X
X
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