ATxmega128B3 Atmel Corporation, ATxmega128B3 Datasheet - Page 355
ATxmega128B3
Manufacturer Part Number
ATxmega128B3
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega128B3
Flash (kbytes)
128 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
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26.8.3
26.8.4
26.8.5
8291A–AVR–10/11
CTRLA – Control register A
CTRLB – Control register B
WINCTRL – Window Function Control register
• Bit 7:2 – 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 1 – AC1OUT: Analog Comparator 1 Output
Setting this bit makes the output of AC1 available on pin 6 of the port.
• Bit 0 – AC0OUT: Analog Comparator 0 Output
Setting this bit makes the output of AC0 available on pin 7 of the port.
• 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 5:0 – SCALEFAC[5:0]: Voltage Scaling Factor
These bits define the scaling factor for the Vcc voltage scaler. The input to the analog compara-
tor, V
• Bit 7:5 – 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 4 – WEN: Window Mode Enable
Setting this bit enables the analog comparator window mode.
V
Bit
+0x05
Read/Write
Initial Value
Bit
+0x04
Read/Write
Initial Value
Bit
+0x06
Read/Write
Initial Value
SCALE
SCALE
=
V
------------------------------------------------------------ -
, is:
CC
R/W
R
7
–
0
R
7
–
0
7
–
0
⋅
(
SCALEFAC
64
R/W
R
6
–
0
R
6
–
0
6
–
0
+
1
)
R/W
R
5
0
R
5
–
0
5
–
0
WEN
R/W
R/W
R
4
0
4
–
0
4
0
R/W
R/W
R
3
0
3
–
0
SCALEFAC[5:0]
3
WINTMODE[1:0]
0
Atmel AVR XMEGA B
R/W
R/W
R
2
–
0
2
0
2
0
AC1OUT
R/W
R/W
R/W
1
0
1
0
1
0
WINTLVL[1:0]
AC0OUT
R/W
R/W
R/W
0
0
0
0
0
0
WINCTRL
CTRLA
CTRLB
355
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