ATxmega64B1 Atmel Corporation, ATxmega64B1 Datasheet - Page 341
ATxmega64B1
Manufacturer Part Number
ATxmega64B1
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega64B1
Flash (kbytes)
64 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:
ATxmega64B1-AUR
Manufacturer:
ATMEL
Quantity:
210
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25.15.10 CH0RESH – Channel 0Result Register High
25.15.10.1
25.15.10.2
25.15.10.3
25.15.11 CH0RESL – Channel 0 Result register Low
25.15.11.1
8291A–AVR–10/11
12-bit Mode, Left Adjusted
12-bit Mode, Right Adjusted
8-bit Mode
12-/8-bit Mode
• Bit 3:0 – CAL[11:8]: Calibration value
These are the four msbs of the 12-bit CAL value.
The CH0RESL and CH0RESH register pair represents the 16-bit value, CH0RES. For details on
reading 16-bit registers, refer to
• Bit 7:0 – CHRES[11:4]: Channel Result High
These are the eight msbs of the 12-bit ADC result.
• Bit 7:4 – Reserved
These bits will in practice be the extension of the sign bit, CHRES11, when the ADC works in dif-
ferential mode, and set to zero when the ADC works in signed mode.
• Bit 3:0 – CHRES[11:8]: Channel Result High
These are the four msbs of the 12-bit ADC result.
• Bit 7:0 – Reserved
These bits will in practice be the extension of the sign bit, CHRES7, when the ADC works in
signed mode, and set to zero when the ADC works in single-ended mode.
• Bit 7:0 – CHRES[7:0]: Channel Result Low
These are the eight lsbs of the ADC result.
12-/8-bit, right
12-bit, left
12-bit, left
12-bit, right
8-bit
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
R
R
7
–
–
0
7
0
”Accessing 16-bit Registers” on page
R
R
6
–
–
0
6
0
CHRES[3:0]
R
R
5
–
–
0
5
0
R
R
4
–
–
0
4
0
CHRES[11:4]
Atmel AVR XMEGA B
CHRES[7:0]
R
R
3
–
0
3
–
0
11.
R
R
2
–
0
2
–
0
CHRES[11:8]
R
R
1
–
0
1
–
0
R
R
0
–
0
0
–
0
341
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