ATTINY25-20PU Atmel, ATTINY25-20PU Datasheet - Page 64
![IC AVR MCU 2K 20MHZ 8-DIP](/photos/6/50/65033/313-8-dip_sml.jpg)
ATTINY25-20PU
Manufacturer Part Number
ATTINY25-20PU
Description
IC AVR MCU 2K 20MHZ 8-DIP
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY25-20PU
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
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
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
8-DIP (0.300", 7.62mm)
Processor Series
ATTINY2x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
128 B
Interface Type
USI
Maximum Clock Frequency
10 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 4 Channel
Data Rom Size
128 B
A/d Bit Size
10 bit
A/d Channels Available
4
Height
3.3 mm
Length
9.27 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Width
6.35 mm
For Use With
ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRDRAGON - 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
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ATtiny25/45/85
• Port B, Bit 0 – MOSI/AIN0/OC0A/OC1A/DI/SDA/AREF/PCINT0
• AIN1: Analog Comparator Negative Input. Configure the port pin as input with the internal
• OC0B: Output Compare Match output. The PB1 pin can serve as an external output for the
• OC1A: Output Compare Match output: The PB1 pin can serve as an external output for the
• DO: Three-wire mode Universal Serial Interface Data output. Three-wire mode Data output
• PCINT1: Pin Change Interrupt source 1.
• MOSI: SPI Master Data output, Slave Data input for SPI channel. When the SPI is enabled
• AIN0: Analog Comparator Positive Input. Configure the port pin as input with the internal pull-
• OC0A: Output Compare Match output. The PB0 pin can serve as an external output for the
• OC1A: Inverted Output Compare Match output: The PB0 pin can serve as an external output
• SDA: Two-wire mode Serial Interface Data.
• AREF: External Analog Reference for ADC. Pullup and output driver are disabled on PB0
• DI: Data Input in USI Three-wire mode. USI Three-wire mode does not override normal port
• PCINT0: Pin Change Interrupt source 0.
pull-up switched off to avoid the digital port function from interfering with the function of the
Analog Comparator.
Timer/Counter0 Compare Match B. The PB1 pin has to be configured as an output (DDB1
set (one)) to serve this function. The OC0B pin is also the output pin for the PWM mode timer
function.
Timer/Counter1 Compare Match B when configured as an output (DDB1 set). The OC1A pin
is also the output pin for the PWM mode timer function.
overrides PORTB1 value and it is driven to the port when data direction bit DDB1 is set (one).
PORTB1 still enables the pull-up, if the direction is input and PORTB1 is set (one).
as a Slave, this pin is configured as an input regardless of the setting of DDB0. When the SPI
is enabled as a Master, the data direction of this pin is controlled by DDB0. When the pin is
forced by the SPI to be an input, the pull-up can still be controlled by the PORTB0 bit.
up switched off to avoid the digital port function from interfering with the function of the
Analog Comparator.
Timer/Counter0 Compare Match A when configured as an output (DDB0 set (one)). The
OC0A pin is also the output pin for the PWM mode timer function.
for the Timer/Counter1 Compare Match B when configured as an output (DDB0 set). The
OC1A pin is also the inverted output pin for the PWM mode timer function.
when the pin is used as an external reference or Internal Voltage Reference with external
capacitor at the AREF pin.
functions, so pin must be configure as an input for DI function.
2586M–AVR–07/10
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