ATTINY26-16PU Atmel, ATTINY26-16PU Datasheet - Page 26
![IC AVR MCU 2K 16MHZ IND 20-DIP](/photos/6/80/68043/313-20-dip_sml.jpg)
ATTINY26-16PU
Manufacturer Part Number
ATTINY26-16PU
Description
IC AVR MCU 2K 16MHZ IND 20-DIP
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY26-16PU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
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)
4.5 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Processor Series
ATTINY2x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
128 B
Interface Type
2-Wire/ISP/SM-Bus/SPI/UART/USI
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
16
Number Of Timers
2
Operating Supply Voltage
4.5 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
11-ch x 10-bit
Package
20PDIP
Device Core
AVR
Family Name
ATtiny
Maximum Speed
16 MHz
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK505 - ADAPTER KIT FOR 14PIN AVR MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Default Clock
Source
Crystal Oscillator
26
ATtiny26(L)
quency of the Watchdog Oscillator is voltage dependent as shown in the Electrical
Characteristics section.
Table 5. Number of Watchdog Oscillator Cycles
The deviced is shipped with CKSEL = “0001”, SUT = “10”, and PLLCK unprogrammed. The
default clock source setting is therefore the internal RC Oscillator with longest startup time. This
default setting ensures that all users can make their desired clock source setting using an In-
System or Parallel Programmer.
XTAL1 and XTAL2 are input and output, respectively, of an inverting amplifier which can be con-
figured for use as an On-chip Oscillator, as shown in Figure 22. Either a quartz crystal or a
ceramic resonator may be used. The maximum frequency for resonators is 12 MHz. The
CKOPT Fuse should always be unprogrammed when using this clock option. C1 and C2 should
always be equal. The optimal value of the capacitors depends on the crystal or resonator in use,
the amount of stray capacitance, and the electromagnetic noise of the environment. Some initial
guidelines for choosing capacitors for use with crystals are given in Table 6. For ceramic resona-
tors, the capacitor values given by the manufacturer should be used.
Figure 22. Crystal Oscillator Connections
The Oscillator can operate in three different modes, each optimized for a specific frequency
range. The operating mode is selected by the fuses CKSEL3..1 as shown in Table 6.
Table 6. Crystal Oscillator Operating Modes
Note:
CKSEL3..1
Typ Time-out (V
101
110
111
(1)
1. This option should not be used with crystals, only with ceramic resonators.
4.1 ms
65 ms
CC
Range (MHz)
Frequency
= 5.0V)
0.4 - 0.9
0.9 - 3.0
3.0 - 16
16 -
Typ Time-out (V
C2
C1
Recommended Range for Capacitors C1 and
4.3 ms
69 ms
C2 for Use with Crystals (pF)
CC
= 3.0V)
XTAL2
XTAL1
GND
12 - 22
12 - 22
12 - 15
–
Number of Cycles
64K (65,536)
4K (4,096)
1477K–AVR–08/10
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