ATmega644P Automotive Atmel Corporation, ATmega644P Automotive Datasheet - Page 337
ATmega644P Automotive
Manufacturer Part Number
ATmega644P Automotive
Description
Manufacturer
Atmel Corporation
Specifications of ATmega644P Automotive
Flash (kbytes)
64 Kbytes
Pin Count
44
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
32
Ext Interrupts
32
Usb Speed
No
Usb Interface
No
Spi
3
Twi (i2c)
1
Uart
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
4
Eeprom (bytes)
2048
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 125
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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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
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