ATTINY26-16MJ Atmel, ATTINY26-16MJ Datasheet - Page 100
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ATTINY26-16MJ
Manufacturer Part Number
ATTINY26-16MJ
Description
ID MCU AVR 2K 5V 16MHZ 32-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY26-16MJ
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
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)
4.5 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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ATtiny26(L)
Figure 56. Differential Measurement Range
Table 44. Correlation Between Input Voltage and Output Codes
Example:
ADMUX = 0xEB (ADC0 - ADC1, 20x gain, 2.56V reference, left adjusted result)
Voltage on ADC0 is 400 mV, voltage on ADC1 is 300 mV.
ADCR = 1024 * 20 * (400 - 300) / 2560 = 800 = 0x320
ADCL will thus read 0x00, and ADCH will read 0xC8. Writing zero to ADLAR right adjusts the
result: ADCL = 0x20, ADCH = 0x03.
V
V
V
...
V
V
V
ADCn
ADCm
ADCm
ADCm
ADCm
ADCm
+ (1023/1024) V
+ (1022/1024) V
+ (1/1024) V
+ V
REF
/GAIN
REF
Output Code
/GAIN
REF
REF
0x3FF
0x000
/GAIN
/GAIN
0
Read code
0x3FF
0x3FF
0x3FE
0x001
0x000
...
Corresponding decimal value
1023
1023
1022
...
1
0
V
REF
/GAIN Differential Input
Voltage (Volts)
1477K–AVR–08/10
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