ATxmega128A3U Atmel Corporation, ATxmega128A3U Datasheet - Page 107
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ATxmega128A3U
Manufacturer Part Number
ATxmega128A3U
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega128A3U
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
50
Ext Interrupts
50
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
10
Twi (i2c)
2
Uart
7
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
Dac Channels
2
Dac Resolution (bits)
12
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
7
Output Compare Channels
22
Input Capture Channels
22
Pwm Channels
22
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega128A3U-AU
Manufacturer:
ATMEL
Quantity:
39
Company:
Part Number:
ATxmega128A3U-MH
Manufacturer:
ATMEL
Quantity:
1
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8.6
8.6.1
8.7
8.7.1
8331A–AVR–07/11
Register Description – Sleep
Register Description – Power Reduction
CTRL – Sleep Control Register
PRGEN – General Power Reduction Register
• Bit 7:4 – 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 3:1 – SMODE[2:0]: Sleep Mode Selection
These bits select sleep modes according to
Table 8-2.
• Bit 0 – SEN: Sleep Enable
This bit must be set to make the MCU enter the selected sleep mode when the SLEEP instruc-
tion is executed. To avoid unintentional entering of sleep modes, it is recommended to write
SEN just before executing the SLEEP instruction and clear it immediately after waking up.
Bit
+0x00
Read/Write
Initial Value
Bit
+0x00
Read/Write
Initial Value
SMODE[2:0]
000
001
010
011
100
101
110
111
R
R
7
–
0
7
–
0
Sleep mode
USB
R/W
R
6
0
6
–
0
R
R
5
–
0
5
–
0
Group Configuration
ESTDBY
PDOWN
STDBY
PSAVE
IDLE
AES
R/W
R
—
—
—
4
–
0
4
0
Table 8-2 on page
R/W
R/W
EBI
Atmel AVR XMEGA AU
3
0
3
0
SMODE[2:0]
RTC
R/W
R/W
2
0
2
0
107.
Description
Idle mode
Reserved
Power-down mode
Power-save mode
Reserved
Reserved
Standby mode
Extended standby mode
EVSYS
R/W
R/W
1
0
1
0
DMA
SEN
R/W
R/W
0
0
0
0
PRGEN
CTRL
107
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