AT32UC3A464 Atmel Corporation, AT32UC3A464 Datasheet - Page 615

• Manufacturer Part Number: AT32UC3A464
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A464

• Flash (kbytes): 64 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
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

25.8
25.8.1
32072G–11/2011
Module Configuration
Clock Connections
The specific configuration for each USART instance is listed in the following tables.The module
bus clocks listed here are connected to the system bus clocks according to the table in the Sys-
tem Bus Clock Connections section.
Table 25-27. Module Configuration
Table 25-28. Module Clock Name
Each USART can be connected to an internally divided clock:
Table 25-29. USART Clock Connections
Feature
SPI Logic
LIN Logic
Manchester Logic
Modem Logic
IRDA Logic
RS485 Logic
Fractional Baudrate
ISO7816
DIV value for divided CLK_USART
Receiver Time-out Counter Size
(Size of the RTOR.TO field)
Module name
USART0
USART1
USART2
USART3
USART
0
1
2
3
Clock name
CLK_USART0
CLK_USART1
CLK_USART2
CLK_USART3
Source
Internal
Name
CLK_DIV
USART0
USART2
USART3
Implemented
Implemented
Not Implemented
Not Implemented
Not Implemented
Not Implemented
Implemented
Not Implemented
8
8-bits
Description
Peripheral Bus clock from the PBA clock domain
Peripheral Bus clock from the PBA clock domain
Peripheral Bus clock from the PBA clock domain
Peripheral Bus clock from the PBA clock domain
Connection
PBA Clock / 8 (CLK_PBA_USART_DIV)
PBA Clock / 8 (CLK_PBA_USART_DIV)
PBA Clock / 8 (CLK_PBA_USART_DIV)
PBA Clock / 8 (CLK_PBA_USART_DIV)
USART1
Implemented
Implemented
Implemented
Implemented
Implemented
Implemented
Implemented
Implemented
8
17-bits
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