ATTINY26L-8MUR Atmel, ATTINY26L-8MUR Datasheet - Page 116
ATTINY26L-8MUR
Manufacturer Part Number
ATTINY26L-8MUR
Description
IC MCU AVR 2K 5V 8MHZ 32QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY26L-8MUR
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
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)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Reading the Flash
Reading the EEPROM
Programming the
Fuse Low Bits
116
ATtiny26(L)
Figure 61. Programming the EEPROM Waveforms
The algorithm for reading the Flash memory is as follows (refer to “Programming the Flash” on
page 113 for details on Command and Address loading):
1. A: Load Command “0000 0010”.
2. F: Load Address High Byte ($00 - $03).
3. B: Load Address Low Byte ($00 - $FF).
4. Set OE to “0”, and BS1 to “0”. The Flash word low byte can now be read at DATA.
5. Set BS1 to “1”. The Flash word high byte can now be read at DATA.
6. Set OE to “1”.
The algorithm for reading the EEPROM memory is as follows (refer to “Programming the Flash”
on page 113 for details on Command and Address loading):
1. A: Load Command “0000 0011”.
2. B: Load Address Low Byte ($00 - $FF).
3. Set OE to “0”, and BS1 to “0”. The EEPROM Data byte can now be read at DATA.
4. Set OE to “1”.
The algorithm for programming the Fuse Low bits is as follows (refer to “Programming the Flash”
on page 113 for details on Command and Data loading):
1. A: Load Command “0100 0000”.
2. C: Load Data Low Byte. Bit n = “0” programs and bit n = “1” erases the Fuse bit.
3. Set BS1 and BS2 to “0”.
4. Give WR a negative pulse and wait for RDY/BSY to go high.
RESET +12V
PAGEL/BS1
RDY/BSY
XA1/BS2
XTAL1
DATA
XA0
WR
OE
$11
A
ADDR. LOW
B
DATA
C
ADDR. LOW
B
J
DATA
C
XX
K
1477K–AVR–08/10
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