ATTINY461A-XUR Atmel, ATTINY461A-XUR Datasheet - Page 179
ATTINY461A-XUR
Manufacturer Part Number
ATTINY461A-XUR
Description
MCU AVR 4K FLASH 20MHZ 20TSSOP
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY461A-MU.pdf
(292 pages)
Specifications of ATTINY461A-XUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
16
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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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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