ATmega644P Automotive Atmel Corporation, ATmega644P Automotive Datasheet - Page 184
![no-image](/images/manufacturer_photos/0/0/79/atmel_corporation_sml.jpg)
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
- Current page: 184 of 225
- Download datasheet (4Mb)
Table 22-7.
22.6
184
Symbol
V
V
V
REF
DIFF
IN
Serial Programming Characteristics
Atmel ATtiny24/44/84 [Preliminary]
Parameter
Offset Error
Clock Frequency
Conversion Time
Reference Voltage
Input Voltage
Input Differential Voltage
ADC Characteristics, Differential Channels, T
Figure 22-3. Serial Programming Timing
Figure 22-4. Serial Programming Waveforms
SERIAL DATA OUTPUT
SERIAL CLOCK INPUT
SERIAL DATA INPUT
SAMPLE
(MOSI)
(MISO)
(SCK)
MOSI
MISO
SCK
Gain = 1x
V
ADC clock = 50 - 200kHz
Bipolar - Gain = 20x
V
ADC clock = 50 - 200kHz
Unipolar - Gain = 20x
V
ADC clock = 50 - 200kHz
REF
REF
REF
t
OVSH
MSB
MSB
= 4V, V
= 4V, V
= 4V, V
A
= -40°C to 125°C (Continued)
Condition
CC
CC
CC
t
= 5V
= 5V
= 5V
SHSL
t
SHOX
-V
REF
GND
2.56
Min
-5.0
-5.0
-6.5
50
65
/Gain
t
SLSH
Typ
2.0
2.0
2.0
t
SLIV
AVCC - 0.5
V
REF
AVCC
Max
200
260
5.0
5.0
6.5
/Gain
LSB
LSB
7701E–AVR–02/11
Units
LSB
LSB
LSB
kHz
µs
V
V
V
Related parts for ATmega644P Automotive
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![ATmega644P](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
![ATMEGA644-20MU](/photos/12/13/121316/313-44-qfn_tmb.jpg)
Part Number:
Description:
IC AVR MCU FLASH 64K 44-QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA644-20AU](/photos/6/70/67042/313-44-tqfp_tmb.jpg)
Part Number:
Description:
IC AVR MCU FLASH 64K 44TQFP
Manufacturer:
Atmel
Datasheet:
![ATmega644](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
![ATMEGA644-20PU](/photos/6/70/67049/453-40-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU FLASH 64K 40DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA644-20AUR](/images/manufacturer_photos/0/0/78/atmel_tmb.jpg)
Part Number:
Description:
MCU AVR 64K FLASH 20MHZ 44TQFP
Manufacturer:
Atmel
Datasheet:
![ATMEGA644-20MUR](/images/manufacturer_photos/0/0/78/atmel_tmb.jpg)
Part Number:
Description:
MCU AVR 64K FLASH 20MHZ 44QFN
Manufacturer:
Atmel
Datasheet:
![atmega644v](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Atmega644 8-bit Avr Microcontroller With 64k Bytes In-system Programmable Flash
Manufacturer:
ATMEL Corporation
Datasheet:
![U641B](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
INTERVAL AND WIPE/WASH WIPER CONTROL IC WITH DELAY
Manufacturer:
ATMEL Corporation
Datasheet:
![U4082B](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Low-Voltage Voice-Switched IC for Hands-Free Operation
Manufacturer:
ATMEL Corporation
Datasheet: