ATmega1281 Atmel Corporation, ATmega1281 Datasheet - Page 311

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ATmega1281

Manufacturer Part Number
ATmega1281
Description
Manufacturer
Atmel Corporation
Datasheets

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

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2549N–AVR–05/11
Table 28-1.
Bit Number
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
ATmega640/1280/2560 Boundary-scan Order (Continued)
Signal Name
PL2.Control
PL3.Data
PL3.Control
PL4.Data
PL4.Control
PL5.Data
PL5.Control
PL6.Data
PL6.Control
PL7.Data
PL7.Control
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
PG0.Data
PG0.Control
PG1.Data
PG1.Control
PC0.Data
PC0.Control
PC1.Data
PC1.Control
PC2.Data
ATmega640/1280/1281/2560/2561
Module
Port D
Port G
Port C
311

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