ATMEGA88-20MUR Atmel, ATMEGA88-20MUR Datasheet - Page 311

• Manufacturer Part Number: ATMEGA88-20MUR
• Description: MCU AVR 8K FLASH 20MHZ 32QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA88-20MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 20MHz
• Interface Type: SPI/TWI/USART
• Total Internal Ram Size: 1KB
• # I/os (max): 23
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 32
• Package Type: MLF EP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

29.8
Table 29-7.
Note:
2545T–AVR–05/11
Symbol
AV
R
V
R
V
V
REF
REF
CC
AIN
INT
IN
(1)
ADC characteristics
1. AV
Parameter
Resolution
Absolute accuracy (Including
INL, DNL, quantization error,
gain and offset error)
Integral non-linearity (INL)
Differential non-linearity (DNL)
Gain error
Offset error
Conversion time
Clock frequency
Analog supply voltage
Reference voltage
Input voltage
Input bandwidth
Internal voltage reference
Reference input resistance
Analog input resistance
CC
ADC characteristics.
absolute min./max.: 1.8V/5.5V
V
ADC clock = 200kHz
V
ADC clock = 1MHz
V
ADC clock = 200kHz
Noise reduction mode
V
ADC clock = 1MHz
Noise reduction mode
V
ADC clock = 200kHz
V
ADC clock = 200kHz
V
ADC clock = 200kHz
V
ADC clock = 200kHz
Free running conversion
REF
REF
REF
REF
REF
REF
REF
REF
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
Condition
CC
CC
CC
CC
CC
CC
CC
CC
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
Minimum
V
CC
GND
1.0
1.0
13
50
- 0.3
Typical
0.25
38.5
100
4.5
4.5
0.5
1.1
10
32
ATmega48/88/168
2
2
2
2
Maximum
V
CC
AV
1000
V
260
1.2
REF
+ 0.3
CC
Units
LSB
Bits
kHz
kHz
MΩ
kΩ
µs
V
V
311