ATMEGA169P-16MCU Atmel, ATMEGA169P-16MCU Datasheet - Page 40
ATMEGA169P-16MCU
Manufacturer Part Number
ATMEGA169P-16MCU
Description
MCU AVR 16K ISP FLSH 16MHZ 64QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA169PV-8AU.pdf
(395 pages)
Specifications of ATMEGA169P-16MCU
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)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
For Use With
ATAVRBFLY - KIT EVALUATION AVR BUTTERFLYATSTK502 - MOD EXPANSION AVR STARTER 500
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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9. Power Management and Sleep Modes
9.1
Table 9-1.
Notes:
8018P–AVR–08/10
Sleep
Mode
Idle
ADC NRM
Power-
down
Power-
save
Standby
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.
(1)
Active Clock Domains and Wake-up Sources in the Different Sleep Modes.
Active Clock Domains
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.
Figure 8-1 on page 30
bution. The figure is helpful in selecting an appropriate sleep mode.
different sleep modes and their wake up sources.
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.
X
X
X
X
X
X
presents the different clock systems in the ATmega169P, and their distri-
X
X
X
Oscillators
X
X
X
(2)
(2)
X
X
X
X
X
(3)
(3)
(3)
(3)
X
X
X
X
X
X
Wake-up Sources
X
X
(2)
Table 9-2 on page 45
X
X
X
(2)
ATmega169P
Table 9-1
X
X
X
X
shows the
for a
X
40
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