ATTINY2313V-10SI Atmel, ATTINY2313V-10SI Datasheet - Page 59
![IC AVR MCU FLASH 2K 1.8V 20SOIC](/photos/6/80/68042/453-20-soic_sml.jpg)
ATTINY2313V-10SI
Manufacturer Part Number
ATTINY2313V-10SI
Description
IC AVR MCU FLASH 2K 1.8V 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY2313V-10SI
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
Connectivity
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
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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External
Interrupts
Pin Change
Interrupt Timing
MCU Control Register
– MCUCR
2543L–AVR–08/10
The External Interrupts are triggered by the INT0 pin, INT1 pin or any of the PCINT7..0 pins.
Observe that, if enabled, the interrupts will trigger even if the INT0, INT1 or PCINT7..0 pins are
configured as outputs. This feature provides a way of generating a software interrupt. The pin
change interrupt PCIF will trigger if any enabled PCINT7..0 pin toggles. The PCMSK Register
control which pins contribute to the pin change interrupts. Pin change interrupts on PCINT7..0
are detected asynchronously. This implies that these interrupts can be used for waking the part
also from sleep modes other than Idle mode.
The INT0 and INT1 interrupts can be triggered by a falling or rising edge or a low level. This is
set up as indicated in the specification for the
When the INT0 or INT1 interrupt is enabled and is configured as level triggered, the interrupt will
trigger as long as the pin is held low. Note that recognition of falling or rising edge interrupts on
INT0 and INT1 requires the presence of an I/O clock, described in
tribution” on page
implies that this interrupt can be used for waking the part from sleep modes other than Idle
mode. The I/O clock is halted in all sleep modes except Idle mode.
Note that if a level triggered interrupt is used for wake-up from Power-down, the required level
must be held long enough for the MCU to complete the wake-up to trigger the level interrupt. If
the level disappears before the end of the Start-up Time, the MCU will still wake up, but no inter-
rupt will be generated. The start-up time is defined by the SUT and CKSEL Fuses as described
in
An example of timing of a pin change interrupt is shown in
Figure 26.
The External Interrupt Control Register contains control bits for interrupt sense control.
Bit
“System Clock and Clock Options” on page
pcint_setflag
pcint_in_(n)
PCINT(n)
pcint_syn
pin_sync
pin_lat
PCINT(0)
PCIF
clk
clk
PUD
7
22. Low level interrupt on INT0 and INT1 is detected asynchronously. This
LE
SM1
pin_lat
6
D
Q
pin_sync
SE
5
PCINT(0) in PCMSK(x)
SM0
4
pcint_in_(0)
22.
ISC11
“MCU Control Register – MCUCR” on page
0
x
3
clk
ISC10
2
Figure
pcint_syn
ISC01
1
26.
“Clock Systems and their Dis-
pcint_setflag
ISC00
0
PCIF
MCUCR
30.
59
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