ATxmega64B3 Atmel Corporation, ATxmega64B3 Datasheet - Page 77
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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Figure 7-1.
8291A–AVR–10/11
Brown-out
Detector
The clock system, clock sources, and clock distribution.
LCD
Watchdog
Int. ULP
32kHz
Timer
Real Time
Counter
32.768kHz
clk
Int. OSC
LCD
clk
RTCSRC
RTC
Peripherals
Peripherals
32.768kHz
TOSC
clk
PER4
clk
XOSCSEL
PER2
clk
PER
0.4 – 16MHz
System Clock Multiplexer
System Clock Prescalers
XTAL
RAM
clk
(SCLKSEL)
SYS
Atmel AVR XMEGA B
32MHz
Int. Osc
PLLSRC
PLL
AVR CPU
Int. Osc
clk
2MHz
CPU
Non-Volatile
Memory
Prescaler
USBSRC
USB
clk
USB
77
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