ATxmega128B1 Atmel Corporation, ATxmega128B1 Datasheet - Page 77

• Manufacturer Part Number: ATxmega128B1
• Manufacturer: Atmel Corporation

Specifications of ATxmega128B1

• Flash (kbytes): 128 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

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
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