ATxmega64B1 Atmel Corporation, ATxmega64B1 Datasheet - Page 174
ATxmega64B1
Manufacturer Part Number
ATxmega64B1
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega64B1
Flash (kbytes)
64 Kbytes
Pin Count
100
Max. Operating Frequency
32 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
53
Ext Interrupts
53
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
1
Uart
2
Segment Lcd
160
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
4
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
AES/DES
Sram (kbytes)
8
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
3
Output Compare Channels
10
Input Capture Channels
10
Pwm Channels
10
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega64B1-AUR
Manufacturer:
ATMEL
Quantity:
210
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13.12.19 PERBUFH – Timer/Counter Period Buffer H
13.12.20 CCxBUFL – Compare or Capture x Buffer register L
13.12.21 CCxBUFH – Compare or Capture x Buffer register H
8291A–AVR–10/11
• Bit 7:0 – PERBUF[7:0]
These bits hold the LSB of the 16-bit period buffer register.
• Bit 7:0 – PERBUF[15:8]
These bits hold the MSB of the 16-bit period buffer register.
The CCxBUFH and CCxBUFL register pair represents the 16-bit value, CCxBUF. These 16-bit
registers serve as the buffer for the associated compare or capture registers (CCx). Accessing
any of these registers using the CPU or DMA will affect the corresponding CCxBV status bit.
• Bit 7:0 – CCxBUF[7:0]
These bits hold the LSB of the 16-bit compare or capture buffer register.
• Bit 7:0 – CCxBUF[15:8]
These bits hold the MSB of the 16-bit compare or capture buffer register.
Bit
+0x37
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
R/W
R/W
R/W
7
1
7
0
7
0
R/W
R/W
R/W
6
1
6
0
6
0
R/W
R/W
R/W
5
1
5
0
5
0
R/W
R/W
R/W
4
1
4
0
4
0
PERBUF[15:8]
CCxBUF[15:8]
CCxBUFx[7:0]
R/W
R/W
R/W
3
1
3
0
3
0
Atmel AVR XMEGA B
R/W
R/W
R/W
2
1
2
0
2
0
R/W
R/W
R/W
1
1
1
0
1
0
R/W
R/W
R/W
0
1
0
0
0
0
PERBUFH
CCxBUFH
CCxBUFL
174
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