AT32UC3A4256 Atmel Corporation, AT32UC3A4256 Datasheet - Page 66
AT32UC3A4256
Manufacturer Part Number
AT32UC3A4256
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 AT32UC3A4256
Flash (kbytes)
256 Kbytes
Pin Count
100
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
2
Uart
4
Ssc
1
Sd / Emmc
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
128
Self Program Memory
YES
Dram Memory
No
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
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT32UC3A4256S-C1UR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT32UC3A4256S-U
Manufacturer:
ST
Quantity:
79
Part Number:
AT32UC3A4256S-U
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Table 7-37.
7.14
32072G–11/2011
Symbol
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
1. 3.3V domain: V
2. t
3. t
0
1
2
3
4
5
6
7
8
9
10
11
CPMCK
CPMCK
MCI
: Master Clock period in ns.
: Master Clock period in ns.
SPI Timings
Parameter
MISO Setup time before SPCK rises
(master)
MISO Hold time after SPCK rises
(master)
SPCK rising to MOSI Delay
(master)
MISO Setup time before SPCK falls
(master)
MISO Hold time after SPCK falls
(master)
SPCK falling to MOSI Delay
master)
SPCK falling to MISO Delay
(slave)
MOSI Setup time before SPCK rises
(slave)
MOSI Hold time after SPCK rises
(slave)
SPCK rising to MISO Delay
(slave)
MOSI Setup time before SPCK falls
(slave)
MOSI Hold time after SPCK falls
(slave)
VDDIO
The High Speed MultiMedia Card Interface (MCI) supports the MultiMedia Card (MMC) Specifi-
cation V4.2, the SD Memory Card Specification V2.0, the SDIO V1.1 specification and CE-ATA
V1.1.
from 3.0V to 3.6V, maximum external capacitor = 40 pF
Conditions
3.3V domain
3.3V domain
3.3V domain
3.3V domain
3.3V domain
3.3V domain
3.3V domain
3.3V domain
3.3V domain
3.3V domain
3.3V domain
3.3V domain
(1)
(t
(t
CPMCK
CPMCK
Min.
22 +
22 +
1.5
0
0
0
0
1
)/2
)/2
(2)
(3)
Max.
26.5
27
7
7
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
66