ATtiny13 Atmel Corporation, ATtiny13 Datasheet - Page 36
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ATtiny13
Manufacturer Part Number
ATtiny13
Description
Manufacturer
Atmel Corporation
Specifications of ATtiny13
Flash (kbytes)
1 Kbytes
Pin Count
8
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
6
Ext Interrupts
6
Usb Speed
No
Usb Interface
No
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
4
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
0.06
Eeprom (bytes)
64
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
1
Output Compare Channels
2
Pwm Channels
2
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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8.1.2
8.1.3
36
ATtiny13
External Reset
Brown-out Detection
An External Reset is generated by a low level on the RESET pin if enabled. Reset pulses longer
than the minimum pulse width
erate a reset, even if the clock is not running. Shorter pulses are not guaranteed to generate a
reset. When the applied signal reaches the Reset Threshold Voltage – V
edge, the delay counter starts the MCU after the Time-out period – t
Figure 8-4.
ATtiny13 has an On-chip Brown-out Detection (BOD) circuit for monitoring the V
operation by comparing it to a fixed trigger level. The trigger level for the BOD can be selected
by the BODLEVEL fuses. The trigger level has a hysteresis to ensure spike free Brown-out
Detection. The hysteresis on the detection level should be interpreted as V
and V
When the BOD is enabled, and V
8-5 on page
trigger level (V
out period t
The BOD circuit will only detect a drop in V
ger than t
Figure 8-5.
BOT-
INTERNAL
TIME-OUT
BOD
= V
TOUT
CC
RESET
RESET
36), the Brown-out Reset is immediately activated. When V
given in
BOT
V
External Reset During Operation
Brown-out Reset During Operation
BOT+
CC
has expired.
- V
in
HYST
Figure 8-5 on page
“System and Reset Characteristics” on page
/2.
(See “System and Reset Characteristics” on page
CC
decreases to a value below the trigger level (V
V
BOT-
36), the delay counter starts the MCU after the Time-
CC
if the voltage stays below the trigger level for lon-
V
t
TOUT
BOT+
119.
TOUT
CC
– has expired.
BOT+
RST
increases above the
= V
– on its positive
CC
119.) will gen-
2535J–AVR–08/10
BOT
BOT-
level during
+ V
in
Figure
HYST
/2