ATTINY2313V-10SI Atmel, ATTINY2313V-10SI Datasheet - Page 157
![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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Company:
Part Number:
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Manufacturer:
ATMEL
Quantity:
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Part Number:
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Manufacturer:
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Preventing Flash
Corruption
Programming Time for
Flash when Using
SPM
2543L–AVR–08/10
During periods of low V
too low for the CPU and the Flash to operate properly. These issues are the same as for board
level systems using the Flash, and the same design solutions should be applied.
A Flash program corruption can be caused by two situations when the voltage is too low. First, a
regular write sequence to the Flash requires a minimum voltage to operate correctly. Secondly,
the CPU itself can execute instructions incorrectly, if the supply voltage for executing instructions
is too low.
Flash corruption can easily be avoided by following these design recommendations (one is
sufficient):
1. Keep the AVR RESET active (low) during periods of insufficient power supply voltage.
2. Keep the AVR core in Power-down sleep mode during periods of low V
The calibrated RC Oscillator is used to time Flash accesses.
gramming time for Flash accesses from the CPU.
Table 63. SPM Programming Time
Flash write (Page Erase, Page Write,
and write Lock bits by SPM)
This can be done by enabling the internal Brown-out Detector (BOD) if the operating volt-
age matches the detection level. If not, an external low V
used. If a reset occurs while a write operation is in progress, the write operation will be
completed provided that the power supply voltage is sufficient.
vent the CPU from attempting to decode and execute instructions, effectively protecting
the SPMCSR Register and thus the Flash from unintentional writes.
Symbol
CC
, the Flash program can be corrupted because the supply voltage is
Min Programming Time
3.7 ms
CC
reset protection circuit can be
Table 63
Max Programming Time
4.5 ms
shows the typical pro-
CC
. This will pre-
157
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