ATxmega64B3 Atmel Corporation, ATxmega64B3 Datasheet - Page 261
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ATxmega64B3
Manufacturer Part Number
ATxmega64B3
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega64B3
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
36
Ext Interrupts
36
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Twi (i2c)
1
Uart
1
Segment Lcd
100
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
2
Resistive Touch Screen
No
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
2
Output Compare Channels
6
Input Capture Channels
6
Pwm Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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19.11 Register Summary - TWI
19.12 Register Summary - TWI Master
19.13 Register Summary - TWI Slave
19.14 Interrupt Vector Summary
Table 19-10. TWI interrupt vectors and their word offset addresses.
8291A–AVR–10/11
Address
Address
Address
+0x00
+0x01
+0x08
+0x00
+0x01
+0x02
+0x03
+0x04
+0x05
+0x06
+0x00
+0x01
+0x02
+0x03
+0x04
+0x05
Offset
0x00
0x02
Name
Name
Name
ADDRMASK
MASTER
STATUS
STATUS
CTRLC
SLAVE
CTRLA
CTRLB
CTRLA
CTRLB
BAUD
ADDR
ADDR
CTRL
DATA
DATA
Source
SLAVE_vect
MASTER_vect
Bit 7
Bit 7
Bit 7
RIF
DIF
–
–
–
–
INTLVL[1:0]
INTLVL[1:0]
Bit 6
Bit 6
Bit 6
APIF
WIF
–
–
–
–
Interrupt Description
TWI slave interrupt vector
TWI master interrupt vector
CLKHOLD
CLKHOLD
Bit 5
Bit 5
Bit 5
RIEN
DIEN
–
–
–
–
ADDRMASK[7:1]
Offset address for TWI Master
Offset address for TWI Slave
RXACK
RXACK
Bit 4
Bit 4
Bit 4
APIEN
WIEN
–
–
–
–
ADDR[7:0]
ADDR[7:0]
BAUD[7:0]
DATA[7:0]
DATA[7:0]
ARBLOST
ENABLE
ENABLE
Bit 3
Bit 3
Bit 3
COLL
–
–
–
TIMEOUT[1:0]
BUSERR
BUSERR
ACKACT
ACKACT
Bit 2
Bit 2
Bit 2
Atmel AVR XMEGA B
PIEN
–
–
SDAHOLD
TPMEN
Bit 1
Bit 1
Bit 1
QCEN
DIR
–
BUSSTATE[1:0]
CMD[1:0]
CMD[1:0]
ADDREN
Bit 0
EDIEN
Bit 0
SMEN
Bit 0
SMEN
AP
–
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