ATmega640 Atmel Corporation, ATmega640 Datasheet - Page 39
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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
12.12 Rev. 2549C-09/05
12.13 Rev. 2549B-05/05
12.14 Rev. 2549A-03/05
2549NS–AVR–05/11
1.
2.
3.
4.
5.
6.
7.
8.
1.
2.
3.
4.
1.
Updated Speed Grade in section
Added
Updated
clock must be larger than 2 CPU cycles.
Updated
Updated
Updated
Updated
Updated
JTAG ID/Signature for ATmega640 updated: 0x9608.
Updated
Updated
Updated
Initial version.
“Resources” on page
“SPI – Serial Peripheral Interface” on page
“Bit Rate Generator Unit” on page
“Maximum speed vs. V
“Ordering Information” on page
“Packaging Information” on page
“Errata” on page
Table 13-7 on page
“Serial Programming Instruction set” on page
“Errata” on page
29.
29.
ATmega640/1280/1281/2560/2561
11.
81.
CC
“Features” on page
” on page
20.
25. Package 64M1 replaced by 64M2.
247.
373.
195. In Slave mode, low and high period SPI
1.
352.
39