ATxmega64B3 Atmel Corporation, ATxmega64B3 Datasheet - Page 75

• Manufacturer Part Number: ATxmega64B3
• 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

36.6
Table 36-8.
Notes:
36.7
Table 36-9.
Table 36-10. Clock and timing.
8074A–AVR–10/11
Contrast
Symbol
BIAS2
BIAS1
Symbol
Symbol
C
COM
f
R
SEG
R
Clk
V
f
AVCC
VREF
R
C
Frame
ClkADC
Flying
COM
LCD
SEG
Vin
Vin
Vin
R
C
AREF
AREF
ADC
in
in
Liquid Crystal Display Characteristics
1. Applies to Static and 1/3 bias
ADC characteristics
Parameter
Segment terminal pins
Common terminal pins
LCD frame frequency
Flying capacitor
Contrast adjustement
LCD regulated voltages
Common output Impedance
Segment Output Impedance
Parameter
Analog supply voltage
Reference voltage
Input resistance
Input capacitance
Reference input resistance
Reference input capacitance
Input range
Conversion range
Conversion range
Parameter
ADC Clock frequency
Sample rate
Liquid Crystal Display Characteristics
Power supply, reference and input range.
Switched
Switched
(leakage only)
Static load
Differential mode, Vinp - Vinn
Single ended unsigned mode, Vinp
Maximum is 1/4 of Peripheral clock
frequency
Measuring internal signals
Condition
C
0.1µF on V
BIAS1 pins
COM0 to COM3
SEG0 to SEG24
Flying
= 0.1µF
Condition
Condition
LCD
, BIAS2 and
(1)
(1)
-0.05*V
31.25
V
0.25
Min
-0.5
-VREF
CC
Min.
0
0
2
1
- 0.3
Min.
100
REF
16
2*V
V
Typ
100
LCD
0.5
LCD
0
3
4
Typ.
TBD
>10
/3
7
Typ.
TBD
/3
XMEGA B3
0.95*V
V
AV
Max
512
0.5
25
CC
VREF
4
1
8
Max.
CC
4.5
Max.
1800
300
+ 0.3
5
-
0.6
REF
Units
Hz
kΩ
nF
V
Units
Units
ksps
MΩ
kHz
kΩ
pF
pF
V
V
75