ATTINY2313A-SUR Atmel, ATTINY2313A-SUR Datasheet - Page 37
ATTINY2313A-SUR
Manufacturer Part Number
ATTINY2313A-SUR
Description
MCU AVR 2KB FLASH 20MHZ 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY2313A-MU.pdf
(270 pages)
Specifications of ATTINY2313A-SUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
18
Program Memory Size
2KB (1K x 16)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
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- Download datasheet (7Mb)
7.5.3
8246A–AVR–11/09
BODCR – Brown-Out Detector Control Register
• Bit 2 – PRTIM0: Power Reduction Timer/Counter0
Writing a logic one to this bit shuts down the Timer/Counter0 module. When the Timer/Counter0
is enabled, operation will continue like before the shutdown.
• Bit 1 – PRUSI: Power Reduction USI
Writing a logic one to this bit shuts down the USI by stopping the clock to the module. When
waking up the USI again, the USI should be re initialized to ensure proper operation.
• Bit 0 – PRUSART: Power Reduction USART
Writing a logic one to this bit shuts down the USI by stopping the clock to the module. When
waking up the USI again, the USI should be re initialized to ensure proper operation.
The BOD Control Register contains control bits for disabling the BOD by software.
• Bit 1 – BODS: BOD Sleep
In order to disable BOD during sleep the BODS bit must be written to logic one. This is controlled
by a timed sequence and the enable bit, BODSE. First, both BODS and BODSE must be set to
one. Second, within four clock cycles, BODS must be set to one and BODSE must be set to
zero. The BODS bit is active three clock cycles after it is set. A sleep instruction must be exe-
cuted while BODS is active in order to turn off the BOD for the actual sleep mode. The BODS bit
is automatically cleared after three clock cycles.
• Bit 0 – BODSE: BOD Sleep Enable
The BODSE bit enables setting of BODS control bit, as explained on BODS bit description. BOD
disable is controlled by a timed sequence.
Bit
0x07 (0x27)
Read/Write
Initial Value
—
R
7
0
—
R
6
0
—
R
5
0
—
R
4
0
—
R
3
0
—
R
2
0
BODS
R/W
1
0
BODSE
R/W
0
0
BODCR
37
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