AT32UC3L064 Atmel Corporation, AT32UC3L064 Datasheet - Page 65

• Manufacturer Part Number: AT32UC3L064
• Manufacturer: Atmel Corporation

Specifications of AT32UC3L064

• Flash (kbytes): 64 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 50 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 17
• Hardware Qtouch Acquisition: Yes
• Max I/o Pins: 36
• Ext Interrupts: 36
• Usb Speed: No
• Usb Interface: No
• Spi: 5
• Twi (i2c): 2
• Uart: 4
• Lin: 4
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 12
• Adc Speed (ksps): 460
• Analog Comparators: 8
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 16
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.62 to 3.6
• Operating Voltage (vcc): 1.62 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 18
• Input Capture Channels: 12
• Pwm Channels: 35
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

7.10.3.2
32099G–06/2011
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 7-10. USART in SPI Slave Mode With (CPOL= 0 and CPHA= 1) or (CPOL= 1 and
Figure 7-11. USART in SPI Slave Mode With (CPOL= CPHA= 0) or (CPOL= CPHA= 1)
SPCK
SPCK
MISO
MOSI
MISO
MOSI
SPIn
SPIn
is the MOSI delay, USPI2 or USPI5 depending on CPOL and NCPHA.
CPHA= 0)
is the MISO setup and hold time, USPI0 + USPI1 or USPI3 + USPI4 depending
T
VALID
USPI6
USPI9
USPI10
USPI7
.
f
CLKSPI
T
f
f
VALID
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
USPI11
USPI8
=
=
f
CLKSPI
MIN f
MIN
(
(
----------------------------------- -
SPIn
PINMAX
is the maximum frequency of the CLK_SPI. Refer
+
1
t
,
VALID
----------- -
SPIn
1
,
AT32UC3L016/32/64
,
f
---------------------------- -
f
---------------------------- -
CLKSPI
CLKSPI
9
9
×
×
2
2
)
)
f
PINMAX
65
is