ATxmega64D4 Atmel Corporation, ATxmega64D4 Datasheet - Page 270
ATxmega64D4
Manufacturer Part Number
ATxmega64D4
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega64D4
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 Speed
No
Usb Interface
No
Spi
4
Twi (i2c)
2
Uart
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
12
Adc Resolution (bits)
12
Adc Speed (ksps)
200
Analog Comparators
2
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
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
4
Output Compare Channels
14
Input Capture Channels
14
Pwm Channels
14
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
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Manufacturer
Quantity
Price
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ATxmega64D4-AU
Manufacturer:
AT
Quantity:
20 000
Company:
Part Number:
ATxmega64D4-H
Manufacturer:
ATMEL
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Part Number:
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Manufacturer:
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86
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8210B–AVR–04/10
• Bit 7:3 - Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always
write these bits to zero when this register is written.
• Bit 2:0 - GUARDTIME[2:0]: Guard Time
These bits specify the number of additional IDLE bits of Guard Time that are inserted in between
PDI reception and - transmission direction change. The default Guard Time is 128 IDLE bits,
and the available settings is shown in
nication, the Guard Time should be set to the lowest safe configuration accepted. It should be
noted that no Guard Time is inserted when switching from TX - to RX mode.
Table 22-1.
Guard Time settings
GUARDTIME
000
001
010
011
100
101
110
111
Table 22-1 on page
270. In order to speed up the commu-
Number of IDLE bits
+128
+64
+32
+16
+8
+4
+2
+0
XMEGA D
270
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