ATxmega128B1 Atmel Corporation, ATxmega128B1 Datasheet - Page 354
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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26.8.2
8291A–AVR–10/11
ACnMUXCTRL – Analog Comparator n Mux Control register
• Bit 7:6 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always
write these bits to zero when this register is written.
• Bit 5:3 – MUXPOS[2:0]: Positive Input MUX Selection
These bits select which input will be connected to the positive input of analog comparator n
according to
Table 26-3.
• Bit 2:0 – MUXNEG[2:0]: Negative Input MUX Selection
These bits select which input will be connected to the negative input of analog comparator n
according to
Table 26-4.
Bit
+0x02 / +0x03
Read/Write
Initial Value
MUXPOS[2:0]
MUXNEG[2:0]
000
001
010
011
100
101
110
111
000
001
010
011
100
101
110
111
Table
Table 26-4 on page
Positive input MUX selection.
Negative input MUX selection.
–
R
7
0
26-3.
Group Configuration
Group Configuration
6
–
R
0
BANDGAP
SCALER
PIN0
PIN1
PIN2
PIN3
PIN4
PIN5
PIN6
PIN0
PIN1
PIN3
PIN5
PIN7
–
–
354.
R/W
5
0
MUXPOS[2:0]
R/W
4
0
R/W
3
0
Atmel AVR XMEGA B
Negative Input MUX Selection
Internal bandgap voltage
R/W
2
0
V
CC
Description
Reserved
Reserved
voltage scaler
MUXNEG[2:0]
Pin 0
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 0
Pin 1
Pin 3
Pin 5
Pin 7
R/W
1
0
R/W
0
0
ACnMUXCTRL
354
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