ATmega3290A Atmel Corporation, ATmega3290A Datasheet - Page 324
ATmega3290A
Manufacturer Part Number
ATmega3290A
Description
Manufacturer
Atmel Corporation
Specifications of ATmega3290A
Flash (kbytes)
32 Kbytes
Pin Count
100
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
69
Ext Interrupts
32
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Segment Lcd
160
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)
2
Eeprom (bytes)
1024
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
Figure 28-8. Parallel Programming Timing, Loading Sequence with Timing Requirements
Note:
Figure 28-9. Parallel Programming Timing, Reading Sequence (within the Same Page) with
Note:
Table 28-13. Parallel Programming Characteristics, V
Symbol
V
I
t
t
t
t
t
PP
DVXH
XLXH
XHXL
XLDX
XLWL
PP
XTAL1
PAGEL
XTAL1
DATA
DATA
BS1
XA0
XA1
BS1
XA0
XA1
OE
1. The timing requirements shown in
1. The timing requirements shown in
ing operation.
apply to reading operation.
Parameter
Programming Enable Voltage
Programming Enable Current
Data and Control Valid before XTAL1 High
XTAL1 Low to XTAL1 High
XTAL1 Pulse Width High
Data and Control Hold after XTAL1 Low
XTAL1 Low to WR Low
Timing Requirements
ADDR0 (Low Byte)
LOAD ADDRESS
ADDR0 (Low Byte)
LOAD ADDRESS
(LOW BYTE)
(LOW BYTE)
t
XLOL
t
OLDV
(1)
LOAD DATA
(LOW BYTE)
DATA (Low Byte)
DATA (Low Byte)
READ DATA
(LOW BYTE)
Figure 28-7
Figure 28-7 on page 323
t
XLXH
t
BVDV
(i.e., t
(HIGH BYTE)
LOAD DATA
CC
= 5V ± 10%
DATA (High Byte)
DVXH
(HIGH BYTE)
READ DATA
DATA (High Byte)
t
XLPH
, t
LOAD DATA
XHXL
(i.e., t
11.5
Min
200
150
67
67
0
, and t
t
OHDZ
t
DVXH
PLXH
Typ
XLDX
, t
LOAD ADDRESS
XHXL
LOAD ADDRESS
(LOW BYTE)
(LOW BYTE)
) also apply to load-
ADDR1 (Low Byte)
ADDR1 (Low Byte)
, and t
Max
12.5
250
XLDX
Units
) also
μA
ns
ns
ns
ns
ns
(1)
V
324
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