ATTINY44-15MZ Atmel, ATTINY44-15MZ Datasheet - Page 173
ATTINY44-15MZ
Manufacturer Part Number
ATTINY44-15MZ
Description
MCU AVR 4K FLASH 15MHZ 20-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY44-15MZ.pdf
(225 pages)
Specifications of ATTINY44-15MZ
Package / Case
20-QFN Exposed Pad
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Speed
16MHz
Number Of I /o
12
Eeprom Size
256 x 8
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
256 x 8
Program Memory Size
4KB (4K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
USI
Core Size
8-Bit
Processor Series
ATTINY4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SPI, UART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
12
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY44-15MZ
Manufacturer:
ATMEL
Quantity:
1 000
Part Number:
ATTINY44-15MZ
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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21.8.3
21.8.4
7701E–AVR–02/11
Chip Erase
Programming the Flash
The Chip Erase will erase the Flash and EEPROM
bits are not reset until the program memory has been completely erased. The fuse bits are not
changed. A chip erase must be performed before the flash and/or EEPROM are
reprogrammed.
Note:
1. Load "Chip Erase" command (see
2. Wait after Instr. 3 until SDO goes high for the “Chip Erase” cycle to finish.
3. Load "No Operation" command.
The Flash is organized in pages, see
the program data are latched into a page buffer. This allows one page of program data to be
programmed simultaneously. The following procedure describes how to program the entire
flash memory:
1. Load "Write Flash" command (see
2. Load Flash Page Buffer.
3. Load Flash High Address and Program Page. Wait after Instr. 3 until SDO goes high for
4. Repeat 2 and 3 until the entire flash is programmed, or until all data has been
5. End page programming by loading "No Operation" command.
When writing or reading serial data to the Atmel
ing edge of the serial clock. See
22-9 on page 186
Figure 21-4. Addressing the Flash which is Organized in Pages
the “Page Programming” cycle to finish.
programmed.
1. The EEPROM memory is preserved during Chip Erase if the EESAVE Fuse is programmed.
PROGRAM MEMORY
PROGRAM
COUNTER
PAGE
for details.
PAGE ADDRESS
WITHIN THE FLASH
PCMSB
Atmel ATtiny24/44/84 [Preliminary]
PCPAGE
Figure 22-5 on page
“Page Size” on page
Table 21-15 on page
Table 21-15 on page
PAGEMSB
PCWORD
WORD ADDRESS
WITHIN A PAGE
®
ATtiny24/44/84, data are clocked on the ris-
(1)
186,
memories, as well as lock bits. The lock
INSTRUCTION WORD
Figure 21-3 on page 171
166. When programming the flash,
PAGE
175).
175).
PCWORD[PAGEMSB:0]:
00
01
02
PAGEEND
and
Table
173
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