ATTINY45-20SUR Atmel, ATTINY45-20SUR Datasheet - Page 3
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ATTINY45-20SUR
Manufacturer Part Number
ATTINY45-20SUR
Description
MCU AVR 4KB FLASH 20MHZ 8SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY45-20SUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
6
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATTINY45-20SU SL383
ATTINY45-20SU SL383
ATTINY45-20SU-SL383
Q4272203
ATTINY45-20SU SL383
ATTINY45-20SU-SL383
Q4272203
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1.1.4
2586M–AVR–07/10
RESET
resistors are activated. The Port B pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port B also serves the functions of various special features of the ATtiny25/45/85 as listed in
“Alternate Functions of Port B” on page
On ATtiny25, the programmable I/O ports PB3 and PB4 (pins 2 and 3) are exchanged in
ATtiny15 Compatibility Mode for supporting the backward compatibility with ATtiny15.
Reset input. A low level on this pin for longer than the minimum pulse length will generate a
reset, even if the clock is not running and provided the reset pin has not been disabled. The min-
imum pulse length is given in
generate a reset.
The reset pin can also be used as a (weak) I/O pin.
Table 21-4 on page
62.
170. Shorter pulses are not guaranteed to
3
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