AT32UC3C0256C Atmel Corporation, AT32UC3C0256C Datasheet - Page 1270
AT32UC3C0256C
Manufacturer Part Number
AT32UC3C0256C
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.AT32UC3C0128C.pdf
(1313 pages)
4.AT32UC3C0128C.pdf
(108 pages)
Specifications of AT32UC3C0256C
Flash (kbytes)
256 Kbytes
Pin Count
144
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
123
Ext Interrupts
144
Usb Transceiver
1
Quadrature Decoder Channels
2
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
7
Twi (i2c)
3
Uart
5
Can
2
Lin
5
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
4
Resistive Touch Screen
No
Dac Channels
4
Dac Resolution (bits)
12
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
68
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 to 3.6 or 4.5 to 5.5
Operating Voltage (vcc)
3.0 to 3.6 or 4.5 to 5.5
Fpu
Yes
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
22
Input Capture Channels
12
Pwm Channels
20
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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- AT32UC3A0128 PDF datasheet
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40.9.3.2
32117C–AVR-08/11
Slave mode
Maximum SPI Frequency, Master Output
The maximum SPI master output frequency is given by the following formula:
Where
the maximum frequency of the SPI pins. Please refer to the I/O Pin Characteristics section for
the maximum frequency of the pins.
to the SPI chapter for a description of this clock.
Maximum SPI Frequency, Master Input
The maximum SPI master input frequency is given by the following formula:
Where
on CPOL and NCPHA.
datasheet for
chapter for a description of this clock.
Figure 40-8. USART in SPI Slave Mode With (CPOL= 0 and CPHA= 1) or (CPOL= 1 and
SPIn
SPIn
is the MOSI delay, USPI2 or USPI5 depending on CPOL and NCPHA.
T
CPHA= 0)
is the MISO setup and hold time, USPI0 + USPI1 or USPI3 + USPI4 depending
VALID
SPCK
MISO
MOSI
.
f
CLKSPI
T
VALID
f
f
SPCKMAX
SPCKMAX
is the maximum frequency of the CLK_SPI. Refer to the SPI
is the SPI slave response time. Please refer to the SPI slave
USPI6
=
=
f
CLKSPI
MIN f
MIN
USPI7
(
(
----------------------------------- -
SPIn
PINMAX
is the maximum frequency of the CLK_SPI. Refer
+
1
t
USPI8
,
VALID
----------- -
SPIn
1
,
,
f
---------------------------- -
f
---------------------------- -
CLKSPI
CLKSPI
9
9
×
×
2
2
)
)
AT32UC3C
f
PINMAX
1270
is
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