ATMEGA16A-AUR Atmel, ATMEGA16A-AUR Datasheet - Page 36
ATMEGA16A-AUR
Manufacturer Part Number
ATMEGA16A-AUR
Description
MCU AVR 16KB FLASH 16MHZ 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA16A-MU.pdf
(352 pages)
Specifications of ATMEGA16A-AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA16A-AUR
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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9.10
9.10.1
36
Register Description
ATmega16A
MCUCR – MCU Control Register
The MCU Control Register contains control bits for power management.
• Bits 7, 5, 4 – SM2:0: Sleep Mode Select Bits 2, 1, and 0
These bits select between the six available sleep modes as shown in
Table 9-2.
Note:
• Bit 6 – SE: Sleep Enable
The SE bit must be written to logic one to make the MCU enter the sleep mode when the SLEEP
instruction is executed. To avoid the MCU entering the sleep mode unless it is the programmers
purpose, it is recommended to write the Sleep Enable (SE) bit to one just before the execution of
the SLEEP instruction and to clear it immediately after waking up.
Bit
Read/Write
Initial Value
SM2
0
0
0
0
1
1
1
1
1. Standby mode and Extended Standby mode are only available with external crystals or
resonators.
Sleep Mode Select
SM2
R/W
7
0
SM1
0
0
1
1
0
0
1
1
R/W
SE
6
0
SM0
SM1
R/W
0
1
0
1
0
1
0
1
5
0
SM0
R/W
Sleep Mode
Idle
ADC Noise Reduction
Power-down
Power-save
Reserved
Reserved
Standby
Extended Standby
4
0
(1)
ISC11
R/W
3
0
(1)
ISC10
R/W
2
0
Table
ISC01
R/W
1
0
9-2.
ISC00
R/W
0
0
8154B–AVR–07/09
MCUCR
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