AT32UC3A3256 Atmel Corporation, AT32UC3A3256 Datasheet - Page 176
AT32UC3A3256
Manufacturer Part Number
AT32UC3A3256
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3A3128.pdf
(91 pages)
5.AT32UC3A3128.pdf
(1012 pages)
Specifications of AT32UC3A3256
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
110
Ext Interrupts
110
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
2
Uart
4
Lin
4
Ssc
1
Sd / Emmc
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)
128
Self Program Memory
YES
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0 to 3.6
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
18
Input Capture Channels
12
Pwm Channels
12
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
- Current page: 176 of 1012
- Download datasheet (16Mb)
14.7.2
32072G–11/2011
Connection Examples
Figure 14-8 on page
devices.
Figure 14-8. EBI Connections to Memory Devices
EBI
ADDR[17:1]
DATA[15:0]
ADDR[0]
SDCKE
NCS[1]
NCS[0]
SDA10
SDWE
NWE1
NWE0
SDCK
NRD
RAS
CAS
176shows an example of connections between the EBI and external
NWE0
DATA[7:0]
NRD
NCS[0]
ADDR[0]
SDCKE
SDWE
SDCK
RAS
CAS
D[7:0]
CS
OE
WE
D[7:0]
CS
CLK
CKE
WE
RAS
CAS
DQM
128Kx8
SRAM
SDRAM
2Mx8
A[16:0]
A[9:0]
A[10]
A[11]
BA0
BA1
ADDR[11:2]
SDA10
ADDR[13]
ADDR[16]
ADDR[17]
ADDR[17:1]
NWE1
NCS[0]
NRD
DATA[15:8]
SDCKE
SDWE
NWE1
SDCK
RAS
CAS
D[7:0]
CS
OE
WE
128Kx8
SRAM
D[7:0]
CS
CLK
CKE
WE
RAS
CAS
DQM
SDRAM
2Mx8
A[16:0]
A[9:0]
A[10]
A[11]
BA0
BA1
ADDR[11:2]
SDA10
ADDR[13]
ADDR[16]
ADDR[17]
ADDR[17:1]
176
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