ATTINY2313V-10SI Atmel, ATTINY2313V-10SI Datasheet - Page 23
![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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Clock Sources
Default Clock
Source
Crystal Oscillator
2543L–AVR–08/10
The device has the following clock source options, selectable by Flash Fuse bits as shown
below. The clock from the selected source is input to the AVR clock generator, and routed to the
appropriate modules.
Table 2. Device Clocking Select
Note:
The various choices for each clocking option is given in the following sections. When the CPU
wakes up from Power-down, the selected clock source is used to time the start-up, ensuring sta-
ble Oscillator operation before instruction execution starts. When the CPU starts from reset,
there is an additional delay allowing the power to reach a stable level before commencing nor-
mal operation. The Watchdog Oscillator is used for timing this real-time part of the start-up time.
The number of WDT Oscillator cycles used for each time-out is shown in
of the Watchdog Oscillator is voltage dependent as shown in
tics” on page
Table 3. Number of Watchdog Oscillator Cycles
The device is shipped with CKSEL = “0100”, SUT = “10”, and CKDIV8 programmed. The default
clock source setting is the Internal RC Oscillator with longest start-up time and an initial system
clock prescaling of 8, resulting in 1.0 MHz system clock. This default setting ensures that all
users can make their desired clock source setting using an In-System or Parallel programmer.
XTAL1 and XTAL2 are input and output, respectively, of an inverting amplifier which can be con-
figured for use as an On-chip Oscillator, as shown in
crystal or a ceramic resonator may be used.
C1 and C2 should always be equal for both crystals and resonators. The optimal value of the
capacitors depends on the crystal or resonator in use, the amount of stray capacitance, and the
electromagnetic noise of the environment. Some initial guidelines for choosing capacitors for
use with crystals are given in
given by the manufacturer should be used.
Device Clocking Option
External Clock
Calibrated Internal RC Oscillator 4MHz
Calibrated internal RC Oscillator 8MHz
Watchdog Oscillator 128kHz
External Crystal/Ceramic Resonator
Reserved
Typ Time-out (V
1. For all fuses “1” means unprogrammed while “0” means programmed.
4.1 ms
65 ms
181.
CC
= 5.0V)
Table 4 on page
(1)
Typ Time-out (V
4.3 ms
69 ms
24. For ceramic resonators, the capacitor values
CC
= 3.0V)
Figure 12 on page
“ATtiny2313 Typical Characteris-
0001/0011/0101/0111
Number of Cycles
8K (8,192)
1000 - 1111
CKSEL3..0
Table
512
0000
0010
0100
0110
24. Either a quartz
3. The frequency
23
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