AT32UC3A3256 Atmel Corporation, AT32UC3A3256 Datasheet - Page 229
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: 229 of 1012
- Download datasheet (16Mb)
Figure 16-9. Low Power Mode Behavior
16.7.6.3
32072G–11/2011
SDRAMC_A[12:0]
SDCKE
D[15:0]
(input)
SDCS
SDCK
RAS
CAS
Deep power-down mode
This mode is selected by writing the value three to the LPR.LPCB field. When this mode is acti-
vated, all internal voltage generators inside the SDRAM are stopped and all data is lost.
When this mode is enabled, the user must not access to the SDRAM until a new initialization
sequence is done (See
This is described in
Row n
T
RCD
= 3
Col a
Figure 16-10 on page
Section
CAS = 2
Col b
Dna
16.7.1).
Col c
Dnb
Col d
230.
Dnc
Col e
Dnd
Col f
Dne
Dnf
Low Power Mode
229
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