AT32UC3A4256 Atmel Corporation, AT32UC3A4256 Datasheet - Page 413
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
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
- Current page: 413 of 1012
- Download datasheet (16Mb)
Figure 21-8. Peripheral Deselection
21.7.3.9
32072G–11/2011
NPCS[0..3]
NPCS[0..3]
NPCS[0..3]
NPCS[0..3]
Write TDR
Write TDR
Write TDR
Write TDR
TDRE
TDRE
TDRE
TDRE
Mode fault detection
PCS = A
A
A
A
A
CSAAT = 0 and CSNAAT = 0
CSAAT = 0 and CSNAAT = 0
DLYBCT
DLYBCT
DLYBCT
DLYBCT
Figure 21-8 on page 413
CSRn.CSAAT and CSRn.CSNAAT bits.
The SPI is capable of detecting a mode fault when it is configured in master mode and NPCS0,
MOSI, MISO, and SPCK are configured as open drain through the I/O Controller with either
internal or external pullup resistors. If the I/O Controller does not have open-drain capability,
mode fault detection must be disabled by writing a one to the Mode Fault Detection bit in the MR
DLYBCS
DLYBCS
DLYBCS
PCS = B
PCS=A
A
PCS = A
A
B
shows different peripheral deselection cases and the effect of the
A
PCS = A
A
A
A
A
CSAAT = 0 and CSNAAT = 1
CSAAT = 1 and CSNAAT= 0 / 1
DLYBCT
DLYBCT
DLYBCT
DLYBCT
DLYBCS
DLYBCS
PCS = B
PCS = A
DLYBCS
A
A
PCS = A
DLYBCS
A
A
A
B
413
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