AT32UC3C1256C Atmel Corporation, AT32UC3C1256C Datasheet - Page 1270

• Manufacturer Part Number: AT32UC3C1256C
• Manufacturer: Atmel Corporation

Specifications of AT32UC3C1256C

• Flash (kbytes): 256 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 81
• Ext Interrupts: 100
• 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
• Dram Memory: No
• 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: 19
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

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