AT32UC3B0512 Atmel Corporation, AT32UC3B0512 Datasheet - Page 264

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AT32UC3B0512

Manufacturer Part Number
AT32UC3B0512
Description
Manufacturer
Atmel Corporation

Specifications of AT32UC3B0512

Flash (kbytes)
512 Kbytes
Pin Count
64
Max. Operating Frequency
60 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
44
Ext Interrupts
44
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
4
Twi (i2c)
1
Uart
3
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
16
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
96
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0-3.6 or (1.65-1.95+3.0-3.6)
Operating Voltage (vcc)
3.0-3.6 or (1.65-1.95+3.0-3.6)
Fpu
No
Mpu / Mmu
Yes / No
Timers
10
Output Compare Channels
16
Input Capture Channels
6
Pwm Channels
13
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes

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20.7.1.3
32059L–AVR32–01/2012
Receiver clock management
be inverted independently by writing a one to the Transmit Clock Inversion bit in TCMR
(TCMR.CKI).
The transmitter can also drive the TX_CLOCK pin continuously or be limited to the actual data
transfer, depending on the Transmit Clock Output Mode Selection field in the TCMR register
(TCMR.CKO). The TCMR.CKI bit has no effect on the clock outputs.
Writing 0b10 to the TCMR.CKS field to select TX_CLOCK pin and 0b001 to the TCMR.CKO field
to select Continuous Transmit Clock can lead to unpredictable results.
Figure 20-6. Transmitter Clock Management
The receiver clock is generated from the transmitter clock, the divider clock, or an external clock
scanned on the RX_CLOCK pin. The receive clock is selected by writing to the Receive Clock
Selection field in the Receive Clock Mode Register (RCMR.CKS). The receive clock can be
inverted independently by writing a one to the Receive Clock Inversion bit in RCMR
(RCMR.CKI).
The receiver can also drive the RX_CLOCK pin continuously or be limited to the actual data
transfer, depending on the Receive Clock Output Mode Selection field in the RCMR register
(RCMR.CKO). The RCMR.CKI bit has no effect on the clock outputs.
Writing 0b10 to the RCMR.CKS field to select RX_CLOCK pin and 0b001 to the RCMR.CKO
field to select Continuous Receive Clock can lead to unpredictable results.
TX_CLOCK
Receiver
Divider
Clock
Clock
CKS
MUX
CKO
Controller
Tri-state
MUX
CKI
INV
Data Transfer
Controller
Tri-state
CKG
Transmitter
Output
Clock
Clock
264

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