ATTINY2313A-SU Atmel, ATTINY2313A-SU Datasheet - Page 180
![IC MCU AVR 2K FLASH 20MHZ 20SOIC](/photos/6/80/68042/453-20-soic_sml.jpg)
ATTINY2313A-SU
Manufacturer Part Number
ATTINY2313A-SU
Description
IC MCU AVR 2K FLASH 20MHZ 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY2313A-SU
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
20-SOIC (7.5mm Width)
Controller Family/series
ATtiny
No. Of I/o's
18
Eeprom Memory Size
128Byte
Ram Memory Size
128Byte
Cpu Speed
20MHz
Rohs Compliant
Yes
Processor Series
ATTINY2x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
128 B
Interface Type
SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
18
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY2313A-SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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20.2.1
20.3
180
Device Signature Imprint Table
ATtiny2313A/4313
Latching of Fuses
Table 20-5.
Notes:
The status of the Fuse bits is not affected by Chip Erase. Note that the Fuse bits are locked if
Lock bit1 (LB1) is programmed. Program the Fuse bits before programming the Lock bits.
Fuse bits can also be read by device firmware. See section
page
The fuse values are latched when the device enters programming mode and changes of the
fuse values will have no effect until the part leaves Programming mode. This does not apply to
the EESAVE Fuse which will take effect once it is programmed. The fuses are also latched on
Power-up in Normal mode.
The device signature imprint table is a dedicated read only memory area used for storing miscel-
laneous device information, such as the device signature and oscillator calibration data. Most of
this memory segment is reserved for internal use, as outlined in
Byte addresses are used when the device itself reads the data with the LPM command. External
programming devices must use word addresses.
Table 20-6.
Fuse Low Byte
CKDIV8
CKOUT
SUT1
SUT0
CKSEL3
CKSEL2
CKSEL1
CKSEL0
Word Address
189.
0x00
0x01
0x02
1. The default value of SUT1..0 results in maximum start-up time for the default clock source.
2. The default setting of CKSEL3..0 results in internal RC Oscillator @ 8 MHz.
See
Fuse Low Byte
Contents of Device Signature Imprint Table.
Table 6-4 on page 27
Byte Address
Bit No
0x05 ...
0x00
0x01
0x02
0x03
0x04
7
6
5
4
3
2
1
0
Description
Divide clock by 8
Output Clock on CKOUT pin
Select start-up time
Select start-up time
Select Clock source
Select Clock source
Select Clock source
Select Clock source
for details.
High Byte
Signature byte 0
Calibration data for internal 8 MHz oscillator
Signature byte 1
Calibration data for internal 4 MHz oscillator
Signature byte 2
Reserved for internal use
(1)
(1)
(1)
“Reading the Fuse and Lock Bits” on
Default Value
0 (programmed)
1 (unprogrammed)
1 (unprogrammed)
0 (programmed)
0 (programmed)
1 (unprogrammed)
0 (programmed)
0 (programmed)
Table
20-6.
(2)
(2)
(1)
(2)
(2)
(2)
(1)
(2)
8246A–AVR–11/09
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