参数资料
型号: EVAL-ADUC7121QSPZ
厂商: Analog Devices Inc
文件页数: 37/96页
文件大小: 0K
描述: BOARD EVALUATION FOR ADUC7121
设计资源: ADUC7121 Gerber Files
ADUC7121 Schematic
标准包装: 1
系列: MicroConverter® ADuC7xxx
类型: MCU
适用于相关产品: ADUC7121
所含物品: 板,CD
ADuC7121
Data Sheet
Rev. B | Page 42 of 96
Table 51. DACxCON Registers (Default Value = 0x100, Read/Write Access)
Name
Address
DAC0CON
0xFFFF0580
DAC1CON
0xFFFF0588
DAC2CON
0xFFFF05B0
DAC3CON
0xFFFF05D8
Table 52. DAC0CON MMR Bit Designations
Bit
Value
Name
Description
15:9
0
Reserved.
8
1
DACPD
DAC power-down. Set by the user to set DACOUTx to tristate mode.
7
0
DACBUF_LP
DAC buffer low power mode. Set by the user to place DAC_BUFF into a low power mode.
6
0
BYP
DAC bypass bit.
Set this bit to bypass the DAC buffer.
Cleared to buffer the DAC output.
5
0
DACCLK
DAC update rate.
Set by the user to update the DAC using Timer1.
Cleared by the user to update the DAC using HCLK (core clock).
4
0
DACCLR
DAC clear bit.
Set by the user to enable normal DAC operation.
Cleared by the user to reset data register of the DAC to 0.
3
0
Mode
Mode bit.
Set by the user to operate on DAC normal mode and turn off the interpolator clock source. Cleared by the
user to enable the interpolation mode.
2
0
Rate
Rate bit. Set by the user to enable the interpolation clock to HCLK/16. Cleared by the user to HCLK/32.
1:0
DACRNx
DAC range bits.
00
DAC range is from AGND to the internal reference.
01
EXT_REF DAC range is from AGND to the external reference. See the REFCON MMR in Table 39 for details.
10
EXT_REF DAC range is from AGND to the external reference. See the REFCON MMR in Table 39 for more
details.
11
AVDD and AGND.
Table 53. DACxDAT Registers (Default Value = 0x00000000, Read/Write Access)
Name
Address
DAC0DAT
0xFFFF0584
DAC1DAT
0xFFFF058C
DAC2DAT
0xFFFF05B4
DAC3DAT
0xFFFF05DC
Table 54. DACxDAT MMR Bit Designations
Bit
Description
31:28
Reserved.
27:16
12-bit data for DACx.
15:12
Extra bits for interpolation mode.
11:0
Reserved.
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