AT32UC3A0256 Atmel Corporation, AT32UC3A0256 Datasheet - Page 148
AT32UC3A0256
Manufacturer Part Number
AT32UC3A0256
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(98 pages)
2.AT32UC3A0128.pdf
(826 pages)
3.AT32UC3A0128.pdf
(377 pages)
4.AT32UC3A0128.pdf
(33 pages)
5.AT32UC3A0128.pdf
(159 pages)
Specifications of AT32UC3A0256
Flash (kbytes)
256 Kbytes
Pin Count
144
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
109
Ext Interrupts
109
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
1
Uart
4
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
16
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
64
Self Program Memory
YES
External Bus Interface
1
Dram Memory
sdram
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0-3.6 or (1.65-1.95+3.0-3.6)
Operating Voltage (vcc)
3.0-3.6 or (1.65-1.95+3.0-3.6)
Fpu
No
Mpu / Mmu
Yes / No
Timers
10
Output Compare Channels
16
Input Capture Channels
6
Pwm Channels
13
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3A0256-ALUT
Manufacturer:
ATMEL
Quantity:
167
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20.5
20.5.1
Application Example
Hardware Interface
Table 20-2.
Table 20-3 on page 148
external devices for each Memory Controller.
Table 20-3.
Notes:
A[22:15]
A[23]
D[15:0]
Signals
Controller
D0 - D7
D8 - D15
A0/NBS0
A1/NWR2/NBS2
A2 - A22
A23
NCS0
NCS1/SDCS0
NCS2
NCS3
NRD/NOE
NWR0/NWE
NWR1/NBS1
NWR3/NBS3
1. NWR1 enables upper byte writes. NWR0 enables lower byte writes.
2. NWRx enables corresponding byte x writes. (x = 0,1,2 or 3)
3. NBS0 and NBS1 enable respectively lower and upper bytes of the lower 16-bit word.
4. NBS2 and NBS3 enable respectively lower and upper bytes of the upper 16-bit word.
5. BEx: Byte x Enable (x = 0,1,2 or 3)
EBI Pins and Memory Controllers I/O Lines Connections
EBI Pins and External Static Devices Connections
EBI Pins
8-bit Static
Device
D0 - D7
details the connections to be applied between the EBI pins and the
A[2:22]
A[23]
WE
CS
CS
CS
CS
OE
A0
A1
–
–
–
Pins of the Interfaced Device
2 x 8-bit
Devices
Not Supported
Not Supported
D[15:0]
D8 - D15
D0 - D7
Static
A[1:21]
SMC
WE
WE
A[22]
CS
CS
CS
CS
OE
A0
–
–
SDRAMC I/O Lines
(1)
(1)
16-bit Static
D8 - D15
Device
D0 - D7
A[1:21]
A[22]
NUB
NLB
WE
CS
CS
CS
CS
OE
A0
–
SMC_A[22:15]
SMC_A[23]
D[15:0]
AT32UC3A
SMC I/O Lines
148
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