ATxmega64D3 Atmel Corporation, ATxmega64D3 Datasheet - Page 222
ATxmega64D3
Manufacturer Part Number
ATxmega64D3
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega64D3
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
32 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
50
Ext Interrupts
50
Usb Speed
No
Usb Interface
No
Spi
5
Twi (i2c)
2
Uart
3
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
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
5
Output Compare Channels
18
Input Capture Channels
18
Pwm Channels
18
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
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Part Number
Manufacturer
Quantity
Price
Part Number:
ATXMEGA64D3
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATxmega64D3-AU
Manufacturer:
JST
Quantity:
1 000
Part Number:
ATxmega64D3-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATxmega64D3-MH
Manufacturer:
Atmel
Quantity:
515
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19.3
19.3.1
19.3.2
19.3.3
8210B–AVR–04/10
Registers Description
TXPLCTRL - IRCOM Transmitter Pulse Length Control Register
RXPLCTRL - IRCOM Receiver Pulse Length Control Register
CTRL - IRCOM Control Register
• Bits 7:0 - TXPLCTRL[7:0] - Transmitter Pulse Length Control
The 8-bit value sets the pulse modulation scheme for the transmitter. Setting this register will
have no effect if IRCOM mode is not selected by a USART.
By leaving this register value to zero, 3/16 of baud rate period pulse modulation is used.
Setting this value from 1 to 254 will give a fixed pulse length coding. The 8-bit value sets the
number of system clock periods for the pulse. The start of the pulse will be synchronized with the
rising edge of the baud rate clock.
Setting the value to 255 (0xFF) will disable pulse coding, letting the RX and TX signals pass
through the IRCOM Module unaltered. This enables other features through the IRCOM Module,
such as half-duplex USART, Loop-back testing and USART RX input from an Event Channel.
Note:
• Bits 7:0 - RXPLCTRL[7:0] - Receiver Pulse Length Control
The 8-bit value sets the filter coefficient for the IRCOM transceiver. Setting this register will have
no effect if IRCOM mode is not selected by a USART.
By leaving this register value to zero, filtering is disabled. Setting this value between 1 and 255
will enable filtering, where x+1 equal samples is required for the pulse to be accepted.
Note:
• Bits 7:4 - 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
+0x00
Read/Write
Initial Value
Bit
+0x00
Read/Write
Initial Value
Bit
+0x00
Read/Write
Initial Value
TXPCTRL must be configured before USART transmitter is enabled (TXEN).
RXPCTRL must be configured before USART receiver is enabled (RXEN).
R/W
R/W
7
0
7
0
7
–
R
0
R/W
R/W
6
0
6
0
6
–
R
0
R/W
R/W
5
0
5
0
R
5
–
0
R/W
R/W
4
0
TXPLCTRL[7:0]
4
0
RXPLCTRL[7:0]
R
4
–
0
R/W
R/W
R/W
3
0
3
0
3
0
R/W
R/W
R/W
2
0
2
0
2
0
EVSEL[3:0]
R/W
R/W
R/W
1
0
1
0
1
0
XMEGA D
R/W
R/W
R/W
0
0
0
0
0
0
TXPLCTRL
RXPLCTRL
CTRL
222
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