AT32UC3A464 Atmel Corporation, AT32UC3A464 Datasheet - Page 444

• 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

22.3
22.4
32072G–11/2011
List of Abbreviations
Block Diagram
Below,
SMBus compatible device.
Table 22-2.
Table 22-3.
Figure 22-1. Block Diagram
SMBus Standard
Bus Timeouts
Address Resolution Protocol
Alert
Packet Error Checking
Abbreviation
TWI
A
NA
P
S
Sr
SADR
ADR
R
W
Manager
Bus Bridge
Peripheral
Power
Table 22-2
Atmel TWIS Compatibility with SMBus Standard
Abbreviations
CLK_TWIS
lists the compatibility level of the Atmel Two-wire Slave Interface and a full
Description
Two-wire Interface
Acknowledge
Non Acknowledge
Stop
Start
Repeated Start
Slave Address
Any address except SADR
Read
Write
Two-wire
Interface
Atmel TWIS
Supported
Supported
Supported
Supported
TWI Interrupt
I/O Controller
Controller
Interrupt
TWCK
TWD
TWALM
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