ATTINY44-15SSZ Atmel, ATTINY44-15SSZ Datasheet - Page 147
![IC MCU AVR 4K FLASH 15MHZ 14SOIC](/photos/7/39/73946/313-14-soic_sml.jpg)
ATTINY44-15SSZ
Manufacturer Part Number
ATTINY44-15SSZ
Description
IC MCU AVR 4K FLASH 15MHZ 14SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY44-15SSZ.pdf
(225 pages)
Specifications of ATTINY44-15SSZ
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
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)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
14-SOIC (3.9mm Width), 14-SOL
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
Details
Other names
Q3447517
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY44-15SSZ
Manufacturer:
ATMEL
Quantity:
350
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18.8
18.8.1
18.8.2
7701E–AVR–02/11
ADC Conversion Result
Single Ended Conversion
Unipolar Differential Conversion
Figure 18-12. Differential Non-linearity (DNL)
• Quantization Error: Due to the quantization of the input voltage into a finite number of codes,
• Absolute Accuracy: The maximum deviation of an actual (unadjusted) transition compared to
After the conversion is complete (ADIF is high), the conversion result can be found in the ADC
result registers (ADCL, ADCH). The form of the conversion result depends on the type of the
conversion, as there are three types of conversion: single-ended conversion, unipolar differen-
tial conversion and bipolar differential conversion.
For single ended conversion, the result is
where V
Table 18-3 on page 149
0x3FF represents the selected reference voltage minus 1LSB. The result is presented in
one-sided form, from 0x3FF to 0x000.
If differential channels and an unipolar input mode are used, the result is
where V
and V
a range of input voltages (1LSB wide) will code to the same value. Always ±0.5LSB.
an ideal transition for any code. This is the compound effect of offset error, gain error,
differential error, non-linearity, and quantization error. Ideal value: ±0.5LSB.
REF
IN
POS
the selected voltage reference.
is the voltage on the selected input pin and V
is the voltage on the positive input pin, V
Output Code
0x000
0x3FF
and
ADC
Atmel ATtiny24/44/84 [Preliminary]
0
Table 18-4 on page
=
1 LSB
---------------------------------------------------------- -
V
ADC
POS
–
=
V
V
NEG
V
---------------------------- -
REF
IN
V
REF
150). 0x000 represents analog ground, and
1024
1024
NEG
REF
the voltage on the negative input pin,
the selected voltage reference (see
GAIN
V
REF
Input Voltage
147
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