ATmega644P Automotive Atmel Corporation, ATmega644P Automotive Datasheet - Page 276
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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ATmega164P/324P/644P
Table 23-1.
Bit Number
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
ATmega164P/324P/644P Boundary-scan Order (Continued)
Signal Name
PD0.Data
PD0.Control
PD1.Data
PD1.Control
PD2.Data
PD2.Control
PD3.Data
PD3.Control
PD4.Data
PD4.Control
PD5.Data
PD5.Control
PD6.Data
PD6.Control
PD7.Data
PD7.Control
PC0.Data
PC0.Control
PC1.Data
PC1.Control
PC2.Data
PC6.Data
PC6.Control
PC7.Data
PC7.Control
Module
Port D
Port C
7674F–AVR–09/09
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