參數(shù)資料
型號(hào)： ADuC848
廠商： Analog Devices, Inc.
元件分類(lèi)： ADC
英文描述： MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
中文描述： MicroConverter的多通道ADC的24-/16-Bit與嵌入式62 kB閃存以及單周期控制器
文件頁(yè)數(shù)： 53/108頁(yè)
文件大?。?/td> 1109K
代理商： ADUC848
ADuC845/ADuC847/ADuC848
DAC CIRCUIT INFORMATION
The ADuC845/ADuC847/ADuC848 incorporate a 12-bit,
voltage output DAC on-chip. It has a rail-to-rail voltage output
buffer capable of driving 10 k/100 pF, and has two selectable
ranges, 0 V to V
REF
and 0 V to AV
DD
. It can operate in 12-bit or
8-bit mode. The DAC has a control register, DACCON, and two
data registers, DACH/L. The DAC output can be programmed
to appear at Pin 14 or Pin 13 (AINCOM).
DACCON Control Register
SFR Address:
FDH
Power-On Default:
00H
Bit Addressable:
No
Rev. A | Page 53 of 108
Note that in 12-bit mode, the DAC voltage output is updated as
soon as the DACL data SFR is written; therefore, the DAC data
registers should be updated as DACH first, followed by DACL.
The 12-bit DAC data should be written into DACH/L right-
justified such that DACL contains the lower 8 bits, and the
lower nibble of DACH contains the upper 4 bits.
Table 33. DACCON—DAC Configuration Commands
Bit No.
Name
Description
7
–––
Not Implemented. Write Don’t Care.
6
–––
Not Implemented. Write Don’t Care.
5
–––
Not Implemented. Write Don’t Care.
4
DACPIN
DAC Output Pin Select.
Set to 1 by the user to direct the DAC output to Pin 13 (AINCOM).
Cleared to 0 by the user to direct the DAC output to Pin 14 (DAC).
3
DAC8
DAC 8-Bit Mode Bit.
Set to 1 by the user to enable 8-bit DAC operation. In this mode, the 8 bits in DACL SFR are routed to the 8 MSBs
of the DAC, and the 4 LSBs of the DAC are set to 0.
Cleared to 0 by the user to enable 12-bit DAC operation. In this mode, the 8 LSBs of the result are routed to
DACL, and the upper 4 MSB bits are routed to the lower 4 bits of DACH.
2
DACRN
DAC Output Range Bit.
Set to 1 by the user to configure the DAC range of 0 V to AV
DD
.
Cleared to 0 by the user to configure the DAC range of 0 V to 2.5 V (V
REF
).
1
DACCLR
DAC Clear Bit.
Set to 1 by the user to enable normal DAC operation.
Cleared to 0 by the user to reset the DAC data registers DACL/H to 0.
0
DACEN
DAC Enable Bit.
Set to 1 by the user to enable normal DAC operation.
Cleared to 0 by the user to power down the DAC.
DACH/DACL Data Registers
These DAC data registers are written to by the user to update
the DAC output.
S
FR Address:
DACH (DAC Data High Byte)—FCH
Power-On Default:
00H (Both Registers)
Bit Addressable:
No (Both Registers)
DACL (DAC Data Low Byte)—FBH
相關(guān)PDF資料
PDF描述
ADUC848BCP62-3 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC848BCP62-5 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC848BCP8-3 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC848BCP8-5 Cable Gland (Clamp); Connector Shell Size:10SL, 12S; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No; Thread Size:5/8-24; Approval Categories:MIL-C-5015; Series:97 RoHS Compliant: No
ADUC848BS32-3 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADUC848BCP32-3 制造商:Analog Devices 功能描述:10 CHANNEL 16 BIT ADC + FLASH 8 BIT UP - Trays
ADUC848BCP32-5 制造商:Analog Devices 功能描述:10 CHANNEL 16 BIT ADC + FLASH 8 BIT UP - Trays
ADUC848BCP62-3 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 56-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 12.85MHZ 3.3V 56LFCSP - Bulk
ADUC848BCP62-5 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 56-Pin LFCSP EP
ADUC848BCP8-3 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 56-Pin LFCSP EP 制造商:Analog Devices 功能描述:10 CHANNEL 16 BIT ADC + FLASH 8 BIT UP - Trays 制造商:Rochester Electronics LLC 功能描述:10 CHANNEL 16 BIT ADC + FLASH 8 BIT UP - Bulk
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