ATTINY26L-8MUR Atmel, ATTINY26L-8MUR Datasheet - Page 115
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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Programming the
EEPROM
1477K–AVR–08/10
Figure 60. Programming the Flash Waveforms
Note:
The EEPROM is organized in pages, see Table 53 on page 109. When programming the
EEPROM, the program data is latched into a page buffer. This allows one page of data to be
programmed simultaneously. The programming algorithm for the EEPROM data memory is as
follows (refer to “Programming the Flash” on page 113 for details on Command, Address and
Data loading):
1. A: Load Command “0001 0001”.
2. B: Load Address Low Byte ($00 - $FF).
3. C: Load Data ($00 - $FF).
J: Repeat 2 and 3 until the entire buffer is filled
K: Program EEPROM page
1. Set BS1 to “0”.
2. Give WR a negative pulse. This starts programming of the EEPROM page. RDY/BSY
3. Wait until to RDY/BSY goes high before programming the next page.
goes low.
(See Figure 61 for signal waveforms.)
RESET +12V
PAGEL/BS1
RDY/BSY
XA1/BS2
1. “XX” is don’t care. The letters refer to the programming description above.
XTAL1
DATA
XA0
WR
OE
$10
A
ADDR. LOW
B
DATA LOW DATA HIGH ADDR. LOW DATA LOW DATA HIGH
C
D
B
(1)
C
E
D
ADDR. HIGH
F
G
XX
115
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