ATMEGA644P-A15MZ Atmel, ATMEGA644P-A15MZ Datasheet - Page 337

• Manufacturer Part Number: ATMEGA644P-A15MZ
• Description: MCU AVR 64KB FLASH 16MHZ 44QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA644P-A15MZ

• Package / Case: 44-VQFN Exposed Pad
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Speed: 16MHz
• Number Of I /o: 32
• Eeprom Size: 2K x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Program Memory Size: 64KB (64K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: I²C, SPI, UART/USART
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 26-9.
Note:
7674F–AVR–09/09
Symbol
AVCC
V
TUE
DNL
INL
V
REF
IN
1. 8-bit resolution
2. 7-bit resolution
3. Vref = Vcm/2
ADC Characteristics, Differential Channels
Parameter
Resolution
Absolute Accuracy (Including
INL, DNL Quantization Error
and Offset Error)
Integral Non-linearity
Differential Non-linearity
Gain Error
Offset Error
Conversion Time
Clock Frequency
Analog Supply Voltage
Reference Voltage
Input Differential Voltage
Condition
Gain = 1x
Gain = 10x
Gain = 200x
Gain = 1x, V
ADC clock = 200 kHz
Gain = 10x, V
ADC clock = 200 kHz
Gain = 200x, V
ADC clock = 200 kHz
Gain = 1x, V
ADC clock = 200 kHz
Gain = 10x, V
ADC clock = 200 kHz
Gain = 200x, V
ADC clock = 200 kHz
Gain = 1x, V
ADC clock = 200 kHz
Gain = 10x, V
ADC clock = 200 kHz
Gain = 200x, V
ADC clock = 200 kHz
Gain = 1x, V
ADC clock = 200 kHz
Gain = 10x, V
ADC clock = 200 kHz
Gain = 200x, V
ADC clock = 200 kHz
Gain = 1x, V
ADC clock = 200 kHz
Gain = 10x, V
ADC clock = 200 kHz
Gain = 200x, V
ADC clock = 200 kHz
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
=5 V, V
=5 V, V
=5 V, V
=5 V, V
=5 V, V
=5 V, V
=5 V, V
=5 V, V
=5 V, V
=5 V, V
=5 V, V
=5 V, V
=5 V, V
=5 V, V
=5 V, V
(1)(3)
(1)(3)
(2)(3)
(1)
(1)
(2)
(1)
(1)
(2)
(1)(3)
(1)(3)
(2)(3)
(1)(3)
(1)(3)
(2)(3)
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
= 4V
= 4V
= 4V
= 4V
= 4V
= 4V
= 4V
= 4V
= 4V
= 4V
= 4V
= 4V
= 4V
= 4V
= 4V
ATmega164P/324P/644P
Min
V
2.56
-12
-12
0.3
65
50
CC
-3
-4
-4
-3
0
(1)
-
Typ
0.25
0.25
0.25
0.20
0.20
4.6
4.8
1.0
0.2
0.2
0.2
0.2
-9
-9
-1
7
8
8
(1)
Max
AVCC
AVCC
V
- 0.5
260
200
1.5
1.5
1.5
1.0
1.0
1.0
0.3
CC
-4
-4
7
8
4
3
4
4
3
(1)
+
Units
LSB
LSB
LSB
LSB
LSB
kHz
Bits
µs
V
V
V
337