ATTINY44V-10MU Atmel, ATTINY44V-10MU Datasheet - Page 18
![IC MCU AVR 4K FLASH 10MHZ 20-QFN](/photos/6/87/68751/313-20-qfn_sml.jpg)
ATTINY44V-10MU
Manufacturer Part Number
ATTINY44V-10MU
Description
IC MCU AVR 4K FLASH 10MHZ 20-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY44V-10MU
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
12
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 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-MLF®, QFN
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SPI
Maximum Clock Frequency
10 MHz
Number Of Programmable I/os
12
Number Of Timers
2
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Package
20MLF
Device Core
AVR
Family Name
ATtiny
Maximum Speed
10 MHz
For Use With
ATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY44V-10MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 18 of 238
- Download datasheet (5Mb)
5.3.6
18
ATtiny24/44/84
Program Examples
The calibrated Oscillator is used to time the EEPROM accesses. Make sure the Oscillator fre-
quency is within the requirements described in
page
The following code examples show one assembly and one C function for erase, write, or atomic
write of the EEPROM. The examples assume that interrupts are controlled (e.g., by disabling
interrupts globally) so that no interrupts will occur during execution of these functions.
Note:
Assembly Code Example
C Code Example
EEPROM_write:
void EEPROM_write(unsigned int ucAddress, unsigned char ucData)
{
}
30.
; Wait for completion of previous write
sbic EECR, EEPE
rjmp EEPROM_write
; Set Programming mode
ldi
out
; Set up address (r18:r17) in address registers
out EEARH, r18
out EEARL, r17
; Write data (r19) to data register
out EEDR, r19
; Write logical one to EEMPE
sbi EECR, EEMPE
; Start eeprom write by setting EEPE
sbi EECR, EEPE
ret
/* Wait for completion of previous write */
while(EECR & (1<<EEPE))
/* Set Programming mode */
EECR = (0<<EEPM1)|(0<<EEPM0)
/* Set up address and data registers */
EEAR = ucAddress;
EEDR = ucData;
/* Write logical one to EEMPE */
EECR |= (1<<EEMPE);
/* Start eeprom write by setting EEPE */
EECR |= (1<<EEPE);
See
;
“Code Examples” on page
r16, (0<<EEPM1)|(0<<EEPM0)
EECR, r16
6.
“OSCCAL – Oscillator Calibration Register” on
8006K–AVR–10/10
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