ATxmega128B1 Atmel Corporation, ATxmega128B1 Datasheet - Page 332
ATxmega128B1
Manufacturer Part Number
ATxmega128B1
Description
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega128B1-AU
Manufacturer:
TI
Quantity:
90
Company:
Part Number:
ATxmega128B1-U
Manufacturer:
FUJITSU
Quantity:
632
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Figure 25-15. ADC timing for one single conversion with 2x gain.
Figure 25-16. ADC timing for one single conversion with 8x gain.
8291A–AVR–10/11
GAINSTAGE SAMPLE
GAINSTAGE SAMPLE
CONVERTING BIT
CONVERTING BIT
CONVERTING BIT
CONVERTING BIT
ADC SAMPLE
ADC SAMPLE
ADC SAMPLE
ADC SAMPLE
AMPLIFY
AMPLIFY
AMPLIFY
AMPLIFY
START
START
clk
clk
ADC
ADC
IF
IF
IF
IF
1
1
msb
10
2
2
msb
msb
msb
9
10
10
10
8
3
3
7
9
9
9
6
8
8
8
4
4
5
7
7
7
4
6
6
6
5
5
3
5
5
5
2
4
4
4
6
6
Atmel AVR XMEGA B
1
3
3
3
lsb
2
2
2
7
7
1
1
1
lsb
lsb
lsb
8
8
9
9
332
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