ATxmega128B1 Atmel Corporation, ATxmega128B1 Datasheet - Page 57

• 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

32. Pinout and Pin Functions
32.1
32.1.1
32.1.2
32.1.3
32.1.4
32.1.5
8330B–AVR–10/11
Alternate Pin Function Description
Operation/Power Supply
Port Interrupt functions
Analog functions
LCD functions
Timer/Counter and AWEX functions
The device pinout is shown in
I/O functionality, each pin can have several alternate functions. This will depend on which
peripheral is enabled and connected to the actual pin. Only one of the pin functions can be used
at time.
The tables below show the notation for all pin functions available and describe its function.
VCC
AVCC
GND
AGND
SYNC
ASYNC
ACn
ACnOUT
ADCn
AREF
SEGn
COMn
VLCD
BIAS2
BIAS1
CAPH
CAPL
OCnxLS
OCnxHS
Digital supply voltage
Ground
Port pin with full synchronous and limited asynchronous interrupt function
Analog to Digital Converter input pin n
Analog Reference input pin
LCD Common Drive Output n
LCD Voltage Multiplier Output
LCD High End Of Flying Capacitor
LCD Low End Of Flying Capacitor
Output Compare Channel x Low Side for Timer/Counter n
Output Compare Channel x High Side for Timer/Counter n
Analog supply voltage
Analog Ground
Port pin with full synchronous and full asynchronous interrupt function
Analog Comparator input pin n
Analog Comparator n Output
LCD Segment Drive Output n
LCD Intermediate Voltage 2 Output (VLCD * 2/3)
LCD Intermediate Voltage 1 Output (VLCD * 1/3)
”Pinout/Block Diagram” on page
3. In addition to general purpose
XMEGA B1
57