ATTINY2313-20SU Atmel, ATTINY2313-20SU Datasheet - Page 159

• Manufacturer Part Number: ATTINY2313-20SU
• Description: IC MCU AVR 2K FLASH 20SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY2313-20SU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• 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): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (7.5mm Width)
• Cpu Family: ATtiny
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 20MHz
• Interface Type: SPI/USART/USI
• Total Internal Ram Size: 128Byte
• # I/os (max): 18
• Number Of Timers - General Purpose: 2
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 20
• Package Type: SOIC
• Package: 20SOIC
• Family Name: ATtiny
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 18
• Number Of Timers: 2
• Processor Series: ATTINY2x
• Core: AVR8
• Data Ram Size: 128 B
• Maximum Clock Frequency: 20 MHz
• 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
• Data Rom Size: 128 B
• Height: 2.35 mm
• Length: 13 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Width: 7.6 mm
• For Use With: ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Compliant

Fuse Bits
2543L–AVR–08/10
The ATtiny2313 has three Fuse bytes.
all the fuses and how they are mapped into the Fuse bytes. Note that the fuses are read as logi-
cal zero, “0”, if they are programmed.
Table 66. Fuse Extended Byte
Notes:
Table 67. Fuse High Byte
Note:
Fuse Extended
Byte
SELFPRGEN
Fuse High Byte
DWEN
EESAVE
SPIEN
WDTON
BODLEVEL2
BODLEVEL1
BODLEVEL0
RSTDISBL
(1)
(3)
1. Enables SPM instruction. See
1. The SPIEN Fuse is not accessible in serial programming mode.
2. See
3. Never ship a product with the DWEN Fuse programmed regardless of the setting of Lock bits.
4. See
5. See
(2)
(5)
A programmed DWEN Fuse enables some parts of the clock system to be running in all sleep
modes. This may increase the power consumption.
(4)
(4)
(4)
“Watchdog Timer Control Register - WDTCSR” on page 42
Table 16 on page 35
“Alternate Functions of Port A” on page 53
Bit
No
Bit
No
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Description
–
–
–
–
–
–
–
Self Programming Enable
Description
debugWIRE Enable
EEPROM memory is preserved
through the Chip Erase
Enable Serial Program and Data
Downloading
Watchdog Timer always on
Brown-out Detector trigger level
Brown-out Detector trigger level
Brown-out Detector trigger level
External Reset disable
for BODLEVEL Fuse decoding.
Table 67
“Self-Programming the Flash” on page
and
Table 68
for description of RSTDISBL Fuse.
Default Value
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
Default Value
1 (unprogrammed)
1 (unprogrammed, EEPROM
not preserved)
0 (programmed, SPI prog.
enabled)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
describe briefly the functionality of
for details.
153.
159