ATTINY26-16SI Atmel, ATTINY26-16SI Datasheet - Page 109
![IC AVR MCU 2K 16MHZ IND 20-SOIC](/photos/6/80/68042/453-20-soic_sml.jpg)
ATTINY26-16SI
Manufacturer Part Number
ATTINY26-16SI
Description
IC AVR MCU 2K 16MHZ IND 20-SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY26-16SI
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-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY26-16SI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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Latching of Fuses
Signature Bytes
Calibration Byte
Page Size
Parallel
Programming
Parameters, Pin
Mapping, and
Commands
Signal Names
1477K–AVR–08/10
The fuse values are latched when the device enters programming mode and changes of the
fuse values will have no effect until the part leaves programming mode. This does not apply to
the EESAVE Fuse which will take effect once it is programmed. The fuses are also latched on
Power-up in normal mode.
All Atmel microcontrollers have a three-byte signature code which identifies the device. This
code can be read in both serial and parallel mode, also when the device is locked. The three
bytes reside in a separate address space.
For the ATtiny26 the signature bytes are:
1. $000: $1E (indicates manufactured by Atmel).
2. $001: $91 (indicates 2KB Flash memory).
3. $002: $09 (indicates ATtiny26 device when $001 is $91).
The ATtiny26 stores four different calibration values for the internal RC Oscillator. These bytes
resides in the signature row high byte of the addresses 0x0000, 0x0001, 0x0002, and 0x0003 for
1, 2, 4, and 8 MHz respectively. During Reset, the 1 MHz value is automatically loaded into the
OSCCAL Register. If other frequencies are used, the calibration value has to be loaded manu-
ally, see “Oscillator Calibration Register – OSCCAL” on page 29 for details.
Table 52. No. of Words in a Page and no. of Pages in the Flash
Table 53. No. of Words in a Page and no. of Pages in the EEPROM
This section describes how to parallel program and verify Flash Program memory, EEPROM
Data memory, Memory Lock bits, and Fuse bits in the ATtiny26. Pulses are assumed to be at
least 250 ns unless otherwise noted.
In this section, some pins of the ATtiny26 are referenced by signal names describing their func-
tionality during parallel programming, see Figure 58 and Table 54. Pins not described in the
following table are referenced by pin names.
The XA1/XA0 pins determine the action executed when the XTAL1 pin is given a positive pulse.
The bit coding is shown in Table 56.
When pulsing WR or OE, the command loaded determines the action executed. The different
Commands are shown in Table 57.
1K words (2K bytes)
EEPROM Size
128 bytes
Flash Size
Page Size
4 bytes
Page Size
16 words
PCWORD
EEA[1:0]
PCWORD
PC[3:0]
No. of Pages
No. of Pages
32
64
PCPAGE
EEA[7:0]
PCPAGE
PC[9:4]
EEAMSB
PCMSB
7
9
109
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