ATxmega32A4 Atmel Corporation, ATxmega32A4 Datasheet - Page 65

• Manufacturer Part Number: ATxmega32A4
• Manufacturer: Atmel Corporation

Specifications of ATxmega32A4

• Flash (kbytes): 32 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 32 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 34
• Ext Interrupts: 34
• Usb Speed: No
• Usb Interface: No
• Spi: 7
• Twi (i2c): 2
• Uart: 5
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 12
• Adc Resolution (bits): 12
• Adc Speed (ksps): 2000
• Analog Comparators: 2
• Resistive Touch Screen: No
• Dac Channels: 2
• Dac Resolution (bits): 12
• Temp. Sensor: Yes
• Crypto Engine: AES/DES
• Sram (kbytes): 4
• Eeprom (bytes): 1024
• 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: 5
• Output Compare Channels: 16
• Input Capture Channels: 16
• Pwm Channels: 16
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

34.5
Table 34-5.
Note:
Table 34-6.
8069Q–AVR–12/10
Vrms
SCALEDVCC
INTVCC
Symbol
Symbol
ADC
AVCC
INT1V
VREF
R
RES
DNL
INL
AREF
clk
ADC Characteristics
1. Refer to
Parameter
Resolution
Integral Non-Linearity
Differential Non-Linearity
Gain Error
Offset Error
ADC Clock frequency
Conversion rate
Conversion time
(propagation delay)
Sampling Time
Conversion range
Analog Supply Voltage
Reference voltage
Input bandwidth
Internal 1.00V reference
Internal V
Scaled internal V
Reference input resistance
Start-up time
Internal input sampling speed
Parameter
Gain error
Offset error
Noise level at input
Clock rate
ADC Characteristics
ADC Gain Stage Characteristics
”Bandgap Characteristics” on page 66
CC
/1.6
CC
/10 input
(1)
1 to 64 gain
64x gain
Same as ADC
Programmable: 8/12
500 ksps
500 ksps
(RES+2)/2+GAIN
RES = 8 or 12, GAIN = 0 or 1
1/2 ADC
Temp. sensor, V
Max is 1/4 of Peripheral Clock
clk
for more parameter details.
Condition
Condition
cycle
CC
VREF = Int. 1V
VREF = Ext. 2V
/10, Bandgap
V
0.25
cc
Min
1.0
-5
8
5
0
-0.3
Min
V
V
< ±10
< ±1
< ±2
1.00
CC
> 10
Typ
CC
±2
12
12
7
/1.6
/10
< ±1
< ±1
0.12
0.06
Typ
XMEGA A4
V
V
VREF
cc
2000
2000
cc
Max
100
12
24
-0.6V
5
8
+0.3
1000
Max
ADC
ADC
cycles
cycles
Units
ksps
ksps
LSB
kHz
Bits
kHz
MΩ
mV
Units
uS
V
V
kHz
mV
%
clk
clk
65