ATmega649A Atmel Corporation, ATmega649A Datasheet - Page 80
ATmega649A
Manufacturer Part Number
ATmega649A
Description
Manufacturer
Atmel Corporation
Specifications of ATmega649A
Flash (kbytes)
64 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
2
Twi (i2c)
1
Uart
1
Segment Lcd
100
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
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
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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8284D–AVR–6/11
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
Table 14-13
shown in
Table 14-13. Overriding Signals for Alternate Functions PD7:PD4
1.
2.
Table 14-14. Overriding Signals for Alternate Functions in PD3:PD0
1.
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
AIO
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
(2)
(1)
(1)
Applies to ATmega169A/169PA
Applies to ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490P
Applies to ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490P
Figure 14-5 on page
and
PD7/SEG(19/15)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN • (LCDPM)
0
–
SEG15
LCDSEG
PD3/SEG(23/19)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN • (LCDPM)
0
–
LCDSEG
Table 14-14
relates the alternate functions of Port D to the overriding signals
72.
PD6/SEG(20/16)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN • (LCDPM)
0
–
SEG16
LCDSEG
PD2/SEG(24/20)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN • (LCDPM)
0
–
LCDSEG
PD5/SEG(21/17)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN • (LCDPM)
0
–
SEG17
LCDSEG
PD1/INT0/
SEG(25/21)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN +
(INT0 ENABLE)
LCDEN •
(INT0 ENABLE)
INT0 INPUT
LCDSEG
PD4/SEG(22/18)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN • (LCDPM)
0
–
SEG18
LCDSEG
PD0/ICP1/
SEG(26/22)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN • (LCDPM)
0
ICP1 INPUT
LCDSEG
80
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