ATmega649 Atmel Corporation, ATmega649 Datasheet - Page 244
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ATmega649
Manufacturer Part Number
ATmega649
Description
Manufacturer
Atmel Corporation
Specifications of ATmega649
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATmega649-16AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATmega649-16MU
Manufacturer:
Atmel
Quantity:
135
Part Number:
ATmega6490-16AI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATmega6490-16AU
Manufacturer:
Atmel
Quantity:
135
Company:
Part Number:
ATmega6490-16AUR
Manufacturer:
Atmel
Quantity:
1 500
Company:
Part Number:
ATmega6490A-AU
Manufacturer:
Atmel
Quantity:
1 250
Company:
Part Number:
ATmega6490A-AUR
Manufacturer:
Maxim
Quantity:
43
23.4.5
244
ATmega329/3290/649/6490
LCD Memory Mapping
Table 23-8.
Write a LCD memory bit to one and the corresponding segment will be energized (visible).
Unused LCD Memory bits for the actual display can be used freely as storage.
Bit
COM3
COM3
COM3
COM3
COM3
COM2
COM2
COM2
COM2
COM2
COM1
COM1
COM1
COM1
COM1
COM0
COM0
COM0
COM0
COM0
Read/Write
Initial Value
LCDCC3
0
0
0
0
1
1
1
1
1
1
1
1
SEG339
SEG331
SEG323
SEG315
SEG307
SEG239
SEG231
SEG223
SEG215
SEG207
SEG139
SEG131
SEG123
SEG115
SEG107
SEG039
SEG031
SEG023
SEG015
SEG007
LCD Contrast Control (Continued)
R/W
7
0
LCDCC2
1
1
1
1
0
0
0
0
1
1
1
1
SEG338
SEG330
SEG322
SEG314
SEG306
SEG238
SEG230
SEG222
SEG214
SEG206
SEG138
SEG130
SEG122
SEG114
SEG106
SEG038
SEG030
SEG022
SEG014
SEG006
R/W
6
0
SEG337
SEG329
SEG321
SEG313
SEG305
SEG237
SEG229
SEG221
SEG213
SEG205
SEG137
SEG129
SEG121
SEG113
SEG105
SEG037
SEG029
SEG021
SEG013
SEG005
R/W
LCDCC1
5
0
0
0
1
1
0
0
1
1
0
0
1
1
SEG336
SEG328
SEG320
SEG312
SEG304
SEG236
SEG228
SEG220
SEG212
SEG204
SEG136
SEG128
SEG120
SEG112
SEG104
SEG036
SEG028
SEG020
SEG012
SEG004
R/W
4
0
LCDCC0
SEG335
SEG327
SEG319
SEG311
SEG303
SEG235
SEG227
SEG219
SEG211
SEG203
SEG135
SEG127
SEG119
SEG111
SEG103
SEG035
SEG027
SEG019
SEG011
SEG003
R/W
3
0
0
1
0
1
0
1
0
1
0
1
0
1
SEG334
SEG326
SEG318
SEG310
SEG302
SEG234
SEG226
SEG218
SEG210
SEG202
SEG134
SEG126
SEG118
SEG110
SEG102
SEG034
SEG026
SEG018
SEG010
SEG002
R/W
2
0
Maximum Voltage V
SEG333
SEG325
SEG317
SEG309
SEG301
SEG233
SEG225
SEG217
SEG209
SEG201
SEG133
SEG125
SEG117
SEG109
SEG101
SEG033
SEG025
SEG017
SEG009
SEG001
R/W
1
0
2.80
2.85
2.90
2.95
3.00
3.05
3.10
3.15
3.20
3.25
3.30
3.35
SEG332
SEG324
SEG316
SEG308
SEG300
SEG232
SEG224
SEG216
SEG208
SEG200
SEG132
SEG124
SEG116
SEG108
SEG100
SEG032
SEG024
SEG016
SEG008
SEG000
R/W
0
0
LCDDR19
LCDDR18
LCDDR17
LCDDR16
LCDDR15
LCDDR14
LCDDR13
LCDDR12
LCDDR11
LCDDR10
LCDDR9
LCDDR8
LCDDR7
LCDDR6
LCDDR5
LCDDR4
LCDDR3
LCDDR2
LCDDR1
LCDDR0
LCD
2552K–AVR–04/11