ATtiny2313 Atmel Corporation, ATtiny2313 Datasheet - Page 36

• Manufacturer Part Number: ATtiny2313
• Manufacturer: Atmel Corporation

Specifications of ATtiny2313

• Flash (kbytes): 2 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 4
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 18
• Ext Interrupts: 18
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.12
• Eeprom (bytes): 128
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

36
ATtiny2313
Table 16. BODLEVEL Fuse Coding
Note:
Table 17. Brown-out Characteristics
When the BOD is enabled, and V
18), the Brown-out Reset is immediately activated. When V
(V
expired.
The BOD circuit will only detect a drop in V
ger than t
Figure 18. Brown-out Reset During Operation
Symbol
V
t
BOD
BOT+
HYST
BODLEVEL 2..0 Fuses
in
1. V
BOD
Figure
this is the case, the device is tested down to V
antees that a Brown-Out Reset will occur before V
operation of the microcontroller is no longer guaranteed. The test is performed using
BODLEVEL = 110 for ATtiny2313V and BODLEVEL = 101 for ATtiny2313L.
BOT
Parameter
Brown-out Detector Hysteresis
Min Pulse Width on Brown-out Reset
given in
010
001
000
011
INTERNAL
TIME-OUT
may be below nominal minimum operating voltage for some devices. For devices where
18), the delay counter starts the MCU after the Time-out period t
RESET
RESET
V
CC
Table
15.
CC
(1)
Min V
decreases to a value below the trigger level (V
V
BOT-
BOT
CC
if the voltage stays below the trigger level for lon-
Typ V
CC
= V
Reserved
BOT
Min
BOT
CC
CC
V
t
TOUT
during the production test. This guar-
BOT+
increases above the trigger level
drops to a voltage where correct
Typ
50
Max V
2
BOT
Max
Units
Units
mV
ns
2543L–AVR–08/10
BOT-
TOUT
in
Figure
has