ATmega1281 Atmel Corporation, ATmega1281 Datasheet - Page 427
ATmega1281
Manufacturer Part Number
ATmega1281
Description
Manufacturer
Atmel Corporation
Specifications of ATmega1281
Flash (kbytes)
128 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
54
Ext Interrupts
17
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)
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
2
Pwm Channels
8
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATmega1281-8MC
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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36.4
2549N–AVR–05/11
64M2
K
R
Notes: 1. JEDEC Standard MO-220, (SAW Singulation) Fig. 1, VMMD.
2325 Orchard Parkway
San Jose, CA 95131
L
E2
2. Dimension and tolerance conform to ASMEY14.5M-1994.
Marked Pin# 1 ID
K
BOTTOM VIEW
b
TOP VIEW
D2
D
TITLE
64M2, 64-pad, 9 x 9 x 1.0 mm Body, Lead Pitch 0.50 mm,
7.65 mm Exposed Pad, Micro Lead Frame Package (MLF)
e
1
2
3
E
Pin #1 Corner
Option C
Option A
Option B
ATmega640/1280/1281/2560/2561
Pin #1
Chamfer
(C 0.30)
Pin #1
Notch
(0.20 R)
Pin #1
Triangle
SYMBOL
A
SIDE VIEW
A3
b
D
D2
E
E2
e
L
K
A
A1
0.80
0.18
8.90
7.50
8.90
7.50
0.35
0.20
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
–
A1
A3
C
0.08
SEATING PLANE
0.50 BSC
0.20 REF
NOM
0.25
9.00
7.65
9.00
7.65
0.40
0.90
0.02
0.27
C
DRAWING NO.
MAX
0.30
9.10
7.80
9.10
7.80
0.45
0.40
1.00
0.05
64M2
2010-10-20
NOTE
REV.
E
427
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