ATxmega32A4U Atmel Corporation, ATxmega32A4U Datasheet - Page 210
ATxmega32A4U
Manufacturer Part Number
ATxmega32A4U
Description
Manufacturer
Atmel Corporation
Specifications of ATxmega32A4U
Flash (kbytes)
32 Kbytes
Pin Count
44
Max. Operating Frequency
32 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
34
Ext Interrupts
34
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
7
Twi (i2c)
2
Uart
5
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
12
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
2
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
Yes
Crypto Engine
AES/DES
Sram (kbytes)
4
Eeprom (bytes)
1024
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
5
Output Compare Channels
16
Input Capture Channels
16
Pwm Channels
16
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATxmega32A4U-AU
Manufacturer:
ON
Quantity:
1 140
Part Number:
ATxmega32A4U-AUR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATxmega32A4U-CU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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16.7.5
16.7.6
16.7.7
8331A–AVR–07/11
DTBOTH – Dead-time Concurrent Write to Both Sides
DTBOTHBUF – Dead-time Concurrent Write to Both Sides Buffer
DTLS – Dead-time Low Side Register
• Bit 2 – FDF: Fault Detect Flag
This flag is set when a fault detect condition is detected; i.e., when an event is detected on one
of the event channels enabled by FDEVMASK. This flag is cleared by writing a one to its bit
location.
• Bit 1 – DTHSBUFV: Dead-time High Side Buffer Valid
If this bit is set, the corresponding DT buffer is written and contains valid data that will be copied
into the DTLS register on the next UPDATE condition. If this bit is zero, no action will be taken.
The connected timer/counter unit’s lock update (LUPD) flag also affects the update for dead-
time buffers.
• Bit 0 – DTLSBUFV: Dead-time Low Side Buffer Valid
If this bit is set, the corresponding DT buffer is written and contains valid data that will be copied
into the DTHS register on the next UPDATE condition. If this bit is zero, no action will be taken.
The connected timer/counter unit's lock update (LUPD) flag also affects the update for dead-
time buffers.
• Bit 7:0 - DTBOTH: Dead-time Both Sides
Writing to this register will update the DTHS and DTLS registers at the same time (i.e., at the
same I/O write access).
• Bit 7:0 – DTBOTHBUF: Dead-time Both Sides Buffer
Writing to this memory location will update the DTHSBUF and DTLSBUF registers at the same
time (i.e., at the same I/O write access).
Bit
+0x07
Read/Write
Initial Value
Bit
+0x06
Read/Write
Initial Value
Bit
+0x08
Read/Write
Initial Value
R/W
R/W
R/W
7
0
7
0
7
0
R/W
R/W
R/W
6
0
6
0
6
0
R/W
R/W
R/W
5
0
5
0
5
0
R/W
DTBOTHBUF[7:0]
R/W
R/W
4
0
4
0
4
0
DTBOTH[7:0]
DTLS[7:0]
R/W
3
0
Atmel AVR XMEGA AU
R/W
R/W
3
0
3
0
R/W
2
0
R/W
R/W
2
0
2
0
R/W
1
0
R/W
R/W
1
0
1
0
R/W
0
0
R/W
R/W
0
0
0
0
DTBOTHBUF
DTBOTH
DTLS
210
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