ATTINY24A-MUR Atmel, ATTINY24A-MUR Datasheet - Page 169
ATTINY24A-MUR
Manufacturer Part Number
ATTINY24A-MUR
Description
MCU AVR 2KB FLASH 20MHZ 20QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY24A-MUR
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
12
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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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19.7.5
8183C–AVR–03/11
Programming the EEPROM
Figure 19-4.
Figure 19-5.
The EEPROM is organized in pages, see
EEPROM, the data is latched into a page buffer. This allows one page of data to be pro-
grammed simultaneously. The programming algorithm for the EEPROM Data memory is as
follows (refer to
SDO
PB0
PA6
PA5
PA4
SDI
SCI
SII
1. Load Command “Write EEPROM”.
2. Load EEPROM Page Buffer.
3. Program EEPROM Page. Wait after Instr. 2 until SDO goes high for the “Page Program-
4. Repeat 2 through 3 until the entire EEPROM is programmed or until all data has been
5. End Page Programming by Loading Command “No Operation”.
ming” cycle to finish.
programmed.
PROGRAM MEMORY
PROGRAM
COUNTER
PAGE
0
MSB
Table 19-16 on page
Addressing the Flash which is Organized in Pages
High-voltage Serial Programming Waveforms
PAGE ADDRESS
WITHIN THE FLASH
MSB
MSB
1
PCMSB
2
PCPAGE
3
170):
4
PAGEMSB
PCWORD
Table 20-11 on page
5
WORD ADDRESS
WITHIN A PAGE
6
INSTRUCTION WORD
ATtiny24A/44A/84A
7
PAGE
LSB
LSB
LSB
180. When programming the
8
9
PCWORD[PAGEMSB:0]:
00
01
02
PAGEEND
10
169
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