ATTINY26-16PC Atmel, ATTINY26-16PC Datasheet - Page 112
![IC AVR MCU 2K 16MHZ COM 20-DIP](/photos/6/80/68043/313-20-dip_sml.jpg)
ATTINY26-16PC
Manufacturer Part Number
ATTINY26-16PC
Description
IC AVR MCU 2K 16MHZ COM 20-DIP
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY26-16PC
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
0°C ~ 70°C
Package / Case
20-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Parallel
Programming
Enter Programming
Mode
Considerations for
Efficient Programming
112
ATtiny26(L)
The following algorithm puts the device in parallel programming mode:
Step 2-7 must be completed within 64ms.
1. Set Prog_enable pins listed in Table 55 on page 110, RESET and Vcc to 0V.
2. Apply 4.5 - 5.5V between Vcc/AVcc and GND.
3. Wait at least 60us.
4. Apply between 4.5V - 5.5V (Same as on Vcc/AVcc) to RESET pin.
5. Wait at least 20us.
6. Apply between 11.5V - 12.5V to RESET pin.
7. Wait at least 10us.
8. Program fuses to internal clock mode, 8 MHz, with 64ms delay. (CKSEL[3..0] = 0100,
9. Exit Programming mode by power the device down or by bringing RESET pin to 0V.
10. Repeat step 1 to 7 too re-enter programming mode.
The loaded command and address are retained in the device during programming. For efficient
programming, the following should be considered.
•
•
•
SUT[1..0] = 10). If Lock bits are programmed, a Chip Erase command must be executed
before changing the fuses.
The command needs only be loaded once when writing or reading multiple memory
locations.
Skip writing the data value $FF, that is the contents of the entire EEPROM (unless the
EESAVE Fuse is programmed) and Flash after a Chip Erase.
Address high byte needs only be loaded before programming or reading a new 256-word
window in Flash or 256-byte EEPROM. This consideration also applies to Signature bytes
reading.
1477K–AVR–08/10
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