ATxmega64A4U Atmel Corporation, ATxmega64A4U Datasheet - Page 409
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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31.6.1
31.6.2
31.6.2.1
31.6.2.2
31.6.2.3
31.6.3
31.6.4
8331A–AVR–07/11
Bypass Register
Device Identification Register
Boundary Scan Chain
PDICOM Data Register
Version
Part Number
Manufacturer ID
The bypass register consists of a single shift register stage. When the bypass register is
selected as the path between TDI and TDO, the register is reset to 0 when leaving the capture
DR controller state. The bypass register can be used to shorten the scan chain on a system
when the other devices are to be tested.
Figure 31-5. Device identification register.
Version is a 4-bit number identifying the revision of the device. The JTAG version number fol-
lows the revision of the device. Revision A is 0x0, revision B is 0x1, and so on.
The part number is a 16-bit code identifying the device. Refer to the device data sheets to find
the correct number.
The manufacturer ID is an 11-bit code identifying the manufacturer. For Atmel, this code is
0x01F.
The boundary scan chain has the capability of driving and observing the logic levels on all I/O
pins. Refer to
The PDICOM data register is a 9-bit wide register used for serial-to-parallel and parallel-to-serial
conversions of data between the JTAG TAP and the PDI. For details, refer to
Debug Interface” on page
Bit
Device ID
”Boundary Scan Chain” on page 407
MSB
31
Version
4 bits
28
410.
27
Part Number
16 bits
for a complete description.
Atmel AVR XMEGA AU
12
11
Manufacturer ID
11 bits
”Program and
1
LSB
1 bit
0
1
409
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