AT32UC3A1256AU Atmel Corporation, AT32UC3A1256AU Datasheet - Page 227

• Manufacturer Part Number: AT32UC3A1256AU
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A1256AU

• Flash (kbytes): 256 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 69
• Ext Interrupts: 69
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 1
• Uart: 4
• Ssc: 1
• Ethernet: 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): 64
• 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

32058K AVR32-01/12
Figure 24-11. Master Write with One, Two or Three Bytes Internal Address and One Data Byte
Figure 24-12. Master Read with One, Two or Three Bytes Internal Address and One Data Byte
TWD
TWD
TWD
TWD
TWD
TWD
Three bytes internal address
Two bytes internal address
One byte internal address
Three bytes internal address
Two bytes internal address
One byte internal address
S
S
S
S
S
S
DADR
DADR
DADR
DADR
DADR
DADR
W
W
W
If the slave device supports only a 7-bit address, i.e. no internal address, IADRSZ must be set to
0.
n the figures below the following abbreviations are used:I
• S
• Sr
• P
• W
• R
• A
• N
• DADR
• IADR
W
W
W
A
A
A
IADR(23:16)
A
A
A
IADR(15:8)
IADR(7:0)
IADR(23:16)
IADR(15:8)
IADR(7:0)
Start
Repeated Start
Stop
Write
Read
Acknowledge
Not Acknowledge
Device Address
Internal Address
A
A
A
IADR(15:8)
Sr
IADR(7:0)
A
A
A
DADR
IADR(15:8)
IADR(7:0)
DATA
A
A
R
Sr
IADR(7:0)
A
A
A
A
DADR
IADR(7:0)
P
DATA
DATA
A
Sr
R
A
A
N
A
DADR
DATA
P
P
DATA
DATA
AT32UC3A
R
N
P
N
A
A
P
P
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