ATMEGA169V-8MI Atmel, ATMEGA169V-8MI Datasheet - Page 34
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ATMEGA169V-8MI
Manufacturer Part Number
ATMEGA169V-8MI
Description
IC MCU AVR 16K 1.8V 1MHZ 64-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA169V-8MI
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
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
64-MLF®, 64-QFN
For Use With
ATAVRBFLY - KIT EVALUATION AVR BUTTERFLYATSTK502 - MOD EXPANSION AVR STARTER 500
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
ATMEGA169V-1MI
ATMEGA169V-1MI
ATMEGA169V-1MI
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Standby Mode
Table 15. Active Clock Domains and Wake-up Sources in the Different Sleep Modes.
Notes:
Power Reduction
Register
Power Reduction Register -
PRR
34
Sleep Mode
Idle
ADC Noise
Reduction
Power-down
Power-save
Standby
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)
ATmega169/V
clk
CPU
Active Clock Domains
clk
FLASH
clk
X
IO
clk
The LCD controller and Timer/Counter2 can be clocked both synchronously and asyn-
chronously in Power-save mode. The clock source for the two modules can be selected
independent of each other. If neither the LCD controller nor the Timer/Counter2 is using
the asynchronous clock, the Timer/Counter Oscillator is stopped during sleep. If neither
the LCD controller nor the Timer/Counter2 is using the synchronous clock, the clock
source is stopped during sleep. Note that even if the synchronous clock is running in
Power-save, this clock is only available for the LCD controller and Timer/Counter2.
When the SM2..0 bits are 110 and an external crystal/resonator clock option is selected,
the SLEEP instruction makes the MCU enter Standby mode. This mode is identical to
Power-down with the exception that the Oscillator is kept running. From Standby mode,
the device wakes up in six clock cycles.
The Power Reduction Register, PRR, provides a method to stop the clock to individual
peripherals to reduce power consumption. The current state of the peripheral is frozen
and the I/O registers can not be read or written. Resources used by the peripheral when
stopping the clock will remain occupied, hence the peripheral should in most cases be
disabled before stopping the clock. Waking up a module, which is done by clearing the
bit in PRR, puts the module in the same state as before shutdown.
Module shutdown can be used in Idle mode and Active mode to significantly reduce the
overall power consumption. See “Supply Current of I/O modules” on page 310 for exam-
ples. In all other sleep modes, the clock is already stopped.
• Bit 7..5 - Res: Reserved bits
These bits are reserved in ATmega169 and will always read as zero.
X
X
Bit
Read/Write
Initial Value
ADC
clk
X
X
X
ASY
Main Clock
Enabled
Source
7
–
R
0
Oscillators
X
X
X
Enabled
R
6
–
0
Timer
Osc
X
X
X
(2)
(2)
R
5
–
0
and Pin
Chang
INT0
X
X
X
X
X
e
(3)
(3)
(3)
(3)
PRLCD
R/W
4
0
Condition
USI Start
X
X
X
X
X
PRTIM1
R/W
3
0
Controller Timer2
Wake-up Sources
LCD
X
X
X
PRSPI
(2)
R/W
2
0
PRUSART0
X
X
X
(2)
R/W
1
0
EEPROM
Ready
SPM/
X
X
PRADC
R/W
2514P–AVR–07/06
0
0
ADC
X
X
PRR
Other
I/O
X
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