ATtiny261 Automotive Atmel Corporation, ATtiny261 Automotive Datasheet - Page 42
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ATtiny261 Automotive
Manufacturer Part Number
ATtiny261 Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.ATTINY261_AUTOMOTIVE.pdf
(11 pages)
3.ATTINY261_AUTOMOTIVE.pdf
(16 pages)
4.ATTINY261_AUTOMOTIVE.pdf
(226 pages)
Specifications of ATtiny261 Automotive
Flash (kbytes)
2 Kbytes
Pin Count
20
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
4
Hardware Qtouch Acquisition
No
Max I/o Pins
16
Ext Interrupts
16
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
Yes
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 150
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
No
Calibrated Rc Oscillator
Yes
- AT90CAN128_AUTOMOTIVE PDF datasheet
- ATTINY261_AUTOMOTIVE PDF datasheet #2
- ATTINY261_AUTOMOTIVE PDF datasheet #3
- ATTINY261_AUTOMOTIVE PDF datasheet #4
- Current page: 42 of 226
- Download datasheet (5Mb)
9.0.4
42
ATtiny261/ATtiny461/ATtiny861
External Reset
Figure 9-3.
Table 9-1.
Note:
An External Reset is generated by a low level on the RESET pin if enabled. Reset pulses longer
than the minimum pulse width (see
ate 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 9-4.
Symbol
V
V
V
V
V
POT
PORMAX
PORMIN
CCRR
RST
INTERNAL
TIME-OUT
RESET
RESET
1. Before rising, the supply has to be between
V
CC
CC
MCU Start-up, RESET Extended Externally
Power On Reset Specifications
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
VCC Max. start voltage to ensure internal
Power-on Reset signal
VCC Min. start voltage to ensure internal
Power-on Reset signal
VCC Rise Rate to ensure Power-on Reset
External Reset During Operation
RESET Pin Threshold Voltage
V
POT
“System and Reset Characteristics” on page
V
RST
t
V
TOUT
PORMIN
(1)
and V
0.1 V
0.01
Min
-0.1
1.1
0.8
PORMAX
CC
TOUT
Typ
to ensure a Reset.
– has expired.
1.4
1.3
RST
– on its positive
0.9V
190) will gener-
Max
1.7
1.6
0.4
7753F–AVR–01/11
CC
V/ms
Unit
V
V
V
V
V
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