ATmega640 Atmel Corporation, ATmega640 Datasheet - Page 103
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ATmega640
Manufacturer Part Number
ATmega640
Description
Manufacturer
Atmel Corporation
Specifications of ATmega640
Flash (kbytes)
64 Kbytes
Pin Count
100
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
86
Ext Interrupts
32
Usb Speed
No
Usb Interface
No
Spi
5
Twi (i2c)
1
Uart
4
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
8
Eeprom (bytes)
4096
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
6
Output Compare Channels
16
Input Capture Channels
4
Pwm Channels
15
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATmega640-16AU
Manufacturer:
OSRAM
Quantity:
12 000
Part Number:
ATmega640-16AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATmega640V-8AU
Manufacturer:
PHILIPS
Quantity:
56
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13.4.24
13.4.25
13.4.26
13.4.27
13.4.28
13.4.29
13.4.30
13.4.31
2549N–AVR–05/11
DDRH – Port H Data Direction Register
PINH – Port H Input Pins Address
PORTJ – Port J Data Register
DDRJ – Port J Data Direction Register
PINJ – Port J Input Pins Address
PORTK – Port K Data Register
DDRK – Port K Data Direction Register
PINK – Port K Input Pins Address
Bit
(0x101)
Read/Write
Initial Value
Bit
(0x100)
Read/Write
Initial Value
Bit
(0x105)
Read/Write
Initial Value
Bit
(0x104)
Read/Write
Initial Value
Bit
(0x103)
Read/Write
Initial Value
Bit
(0x108)
Read/Write
Initial Value
Bit
(0x107)
Read/Write
Initial Value
Bit
(0x106)
Read/Write
Initial Value
PORTK7
PORTJ7
PINH5
PINK5
DDH7
PINJ5
DDK7
DDJ7
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
7
0
7
7
0
7
7
0
7
7
0
7
0
PORTK6
PORTJ6
PINH5
PINK5
DDH6
PINJ5
DDK6
DDJ6
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
6
0
6
6
0
6
6
0
6
6
0
6
0
ATmega640/1280/1281/2560/2561
PORTK5
PORTJ5
PINH5
PINK5
DDH5
PINJ5
DDK5
DDJ5
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
5
0
5
0
5
0
5
5
0
5
5
0
5
PORTK4
PORTJ4
DDH4
PINH4
PINJ4
PINK4
DDK4
DDJ4
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
4
0
4
0
4
0
4
4
0
4
4
0
4
PORTJ3
PORTK3
DDH3
PINH3
PINJ3
PINK3
DDJ3
DDK3
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
3
0
3
0
3
3
0
3
3
0
3
0
3
PORTK2
PORTJ2
PINGH
PINGK
PINGJ
DDH2
DDK2
DDJ2
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
N/A
2
0
2
0
2
2
0
2
2
0
2
0
2
PORTJ1
PORTK1
DDH1
PINH1
PINK1
PINJ1
DDK1
DDJ1
R/W
R/W
R/W
R/W
R/W
N/A
R/W
N/A
R/W
R/W
N/A
1
0
1
1
0
1
1
1
0
1
0
1
0
PORTJ0
PORTK0
DDH0
PINH0
PINK0
PINJ0
DDK0
DDJ0
R/W
R/W
R/W
R/W
R/W
N/A
R/W
N/A
R/W
R/W
N/A
0
0
0
0
0
0
0
0
0
0
0
0
0
DDRH
PORTJ
PORTK
DDRK
DDRJ
PINH
PINK
PINJ
103
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