ATAVRDISPLAYX Atmel, ATAVRDISPLAYX Datasheet - Page 320
ATAVRDISPLAYX
Manufacturer Part Number
ATAVRDISPLAYX
Description
KIT EVAL XMEGA DISPLAY
Manufacturer
Atmel
Specifications of ATAVRDISPLAYX
Main Purpose
*
Embedded
*
Utilized Ic / Part
*
Primary Attributes
*
Secondary Attributes
*
Silicon Manufacturer
Atmel
Silicon Family Name
ATxmega
Kit Contents
Board
Features
Temperature Sensor, Mono Speaker Via Audio Amplifier
Svhc
No SVHC (15-Dec-2010)
Core Architecture
AVR
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
ATAVRDISPLAYX
Manufacturer:
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26.10 Register Description
26.10.1
26.10.2
8077H–AVR–12/09
CTRLA – DAC Control Register A
CTRLB – DAC Control Register B
The calibration of the DAC adjust the offset and gain. To calibrate offset you can output mid
code and adjust the offset calibration until you get ~0 LSB offset The gain is adjusted around mid
code so it should not affect the offset calibration if you read the output at mid code and max (or
min code) and adjust the calibration values until you get ~0 LSB gain.
• Bits 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 - IDOEN: DAC Internal Output Enable
Setting this bit routs the internal DAC output to the ADC and Analog Comparator MUXes.
• Bit 3 - CH1EN: DAC Channel 1 Output Enable
Setting this bit will make channel 1 available on pin while clearing the bit makes channel 1 only
available for internal use.
• Bit 2 - CH0EN: DAC Channel 0 Output Enable
Setting this bit will make channel 0 available on pin while clearing the bit makes channel 0 only
available for internal use.
• Bit 1 - Res - Reserved
This bit is unused and reserved for future use. For compatibility with future devices, always write
this bit to zero when this register is written.
• Bit 0 - ENABLE: DAC Enable
This bit enables the entire DAC.
• Bit 7 - Reserved
This bit is unused and reserved for future use. For compatibility with future devices, always write
this bit to zero when this register is written.
• Bits 6:5 - CHSEL[1:0]: DAC Channel Selection
These bits control wether the DAC should operate with single or dual channel outputs.
1
Bit
+0x00
Read/Write
Initial Value
Bit
+0x01
Read/Write
Initial Value
shows the available selections.
R
7
0
-
7
R
0
-
R/W
R
6
0
-
6
0
CHSEL[1:0]
R
5
0
-
R
5
0
IDOEN
R/W
4
0
R
4
0
-
CH1EN
R
3
0
R
3
0
-
CH0EN
R/W
2
0
R
2
0
-
CH1TRIG
R/W
R/W
1
0
1
0
.
XMEGA A
CH0TRIG
ENABLE
R/W
R/W
0
0
0
0
Table 26-
CTRLA
CTRLB
320
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