ATTINY861A-PU Atmel, ATTINY861A-PU Datasheet - Page 179
ATTINY861A-PU
Manufacturer Part Number
ATTINY861A-PU
Description
IC, MCU, 8BIT, 8K FLASH, 20PDIP
Manufacturer
Atmel
Datasheet
1.ATTINY461A-MU.pdf
(292 pages)
Specifications of ATTINY861A-PU
Controller Family/series
ATtiny
No. Of I/o's
16
Eeprom Memory Size
512Byte
Ram Memory Size
512Byte
Cpu Speed
20MHz
No.
RoHS Compliant
Core Size
8bit
Program Memory Size
8KB
Oscillator Type
External, Internal
Rohs Compliant
Yes
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18.7.6
8197B–AVR–01/10
Programming the EEPROM
Figure 18-4. Addressing the Flash Which is Organized in Pages
Note:
In the figure below, “XX” means don’t care. The numbers in the figure refer to the programming
description above.
WR
Figure 18-5. Flash Programming Waveforms
The EEPROM is organized in pages, see
EEPROM, the program data is latched into a page buffer. This allows one page of data to be
STEP
DATA
XA1 / BS2
XA0
PAGEL / BS1
XTAL1
WR
RDY / BSY
RESET +12V
OE
PROGRAM MEMORY
PCPAGE and PCWORD are listed in
PROGRAM
COUNTER
PAGE
0x10
1
PAGE ADDRESS
WITHIN THE FLASH
ADDR. LOW
PCMSB
2
PCPAGE
DATA LOW
3
DATA HIGH
4
ADDR. LOW
PAGEMSB
Table 18-7 on page
2
PCWORD
Table 18-8 on page
DATA LOW
WORD ADDRESS
WITHIN A PAGE
8
5
3
DATA HIGH
INSTRUCTION WORD
4
170.
ADDR. HIGH
PAGE
6
170. When programming the
XXX
7
PCWORD[PAGEMSB:0]:
00
01
02
PAGEEND
0x00
9
179
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