ATxmega64A4U Atmel Corporation, ATxmega64A4U Datasheet - Page 499
ATxmega64A4U
Manufacturer Part Number
ATxmega64A4U
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega64A4U
Flash (kbytes)
64 Kbytes
Pin Count
44
Max. Operating Frequency
32 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
34
Ext Interrupts
34
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Twi (i2c)
2
Uart
5
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
12
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
2
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
Yes
Crypto Engine
AES/DES
Sram (kbytes)
4
Eeprom (bytes)
2048
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.6 to 3.6
Operating Voltage (vcc)
1.6 to 3.6
Fpu
No
Mpu / Mmu
no / no
Timers
5
Output Compare Channels
16
Input Capture Channels
16
Pwm Channels
16
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega64A4U-AU
Manufacturer:
ON
Quantity:
29 000
Company:
Part Number:
ATxmega64A4U-U
Manufacturer:
ATMEL
Quantity:
74
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8331A–AVR–07/11
20 USB – Universal Serial Bus Interface ................................................. 231
21 TWI – Two-Wire Interface .................................................................... 259
19.4
19.5
20.1
20.2
20.3
20.4
20.5
20.6
20.7
20.8
20.9
20.10
20.11
20.12
20.13
20.14
20.15
20.16
20.17
20.18
20.19
21.1
21.2
21.3
21.4
21.5
21.6
21.7
21.8
21.9
21.10
21.11
21.12
Register Summary .........................................................................................230
Interrupt Vector Summary .............................................................................230
Features ........................................................................................................231
Overview ........................................................................................................231
Operation .......................................................................................................233
SRAM Memory Mapping ...............................................................................237
Clock Generation ...........................................................................................238
Ping-Pong Operation .....................................................................................239
Multi-packet transfers ....................................................................................240
Auto Zero Length Packet ...............................................................................241
Transaction Complete FIFO ..........................................................................241
Interrupts and Events ....................................................................................242
VBUS Detection .............................................................................................244
On-Chip Debug ..............................................................................................244
Register Description – USB ...........................................................................245
Register Description – USB Endpoint ............................................................252
Register Description - Frame .........................................................................257
Register Summary – USB Module .................................................................258
Register Summary – USB Endpoint ..............................................................258
Register Summary – Frame ..........................................................................258
USB Interrupt Vector Summary .....................................................................258
Features ........................................................................................................259
Overview ........................................................................................................259
General TWI Bus Concepts ...........................................................................260
TWI Bus State Logic ......................................................................................265
TWI Master Operation ...................................................................................266
TWI Slave Operation .....................................................................................268
Enabling External Driver Interface .................................................................270
Register Description - TWI ............................................................................271
Register Description – TWI Master ................................................................272
Register Description – TWI Slave ..................................................................277
Register Summary - TWI ...............................................................................283
Register Summary - TWI Master ...................................................................283
Atmel AVR XMEGA AU
vii
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