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| 型号： | EVAL-ADUC842QS |
| 厂商： | Analog Devices Inc |
| 文件页数： | 41/88页 |
| 文件大小： | 0K |
| 描述： | KIT DEV FOR ADUC842 QUICK START |
| 标准包装： | 1 |
| 系列： | QuickStart™ 套件 |
| 类型： | MCU |
| 适用于相关产品： | ADuC842 |
| 所含物品： | 评估板、电源、缆线、软件和说明文档 |
| 产品目录页面： | 739 (CN2011-ZH PDF) |
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ADuC841/ADuC842/ADuC843
Rev. 0 | Page 46 of 88
SPICON SPI Control Register
SFR Address
F8H
Power-On Default
04H
Bit Addressable
Yes
Table 18. SPICON SFR Bit Designations
Bit No.
Name
Description
7
ISPI
SPI Interrupt Bit.
Set by the MicroConverter at the end of each SPI transfer.
Cleared directly by user code or indirectly by reading the SPIDAT SFR.
6
WCOL
Write Collision Error Bit.
Set by the MicroConverter if SPIDAT is written to while an SPI transfer is in progress.
Cleared by user code.
5
SPE
SPI Interface Enable Bit.
Set by the user to enable the SPI interface.
Cleared by the user to enable the I2C pins, this is not requiredto enable the I2C interface if the MSPI bit is set in
CFG841/CFG842. In this case, the I2C interface is automatically enabled.
4
SPIM
SPI Master/Slave Mode Select Bit.
Set by the user to enable master mode operation (SCLOCK is an output).
Cleared by the user to enable slave mode operation (SCLOCK is an input).
3
CPOL1
Clock Polarity Select Bit.
Set by the user if SCLOCK idles high.
Cleared by the user if SCLOCK idles low.
2
CPHA1
Clock Phase Select Bit.
Set by the user if leading SCLOCK edge is to transmit data.
Cleared by the user if trailing SCLOCK edge is to transmit data.
1
SPR1
SPI Bit Rate Select Bits.
0
SPR0
These bits select the SCLOCK rate (bit rate) in master mode as follows:
SPR1
SPR0
Selected Bit Rate
0
fOSC/2
0
1
fOSC/4
1
0
fOSC/8
1
fOSC/16
In SPI slave mode, i.e., SPIM = 0, the logic level on the external SS pin can be read via the SPR0 bit.
1The CPOL and CPHA bits should both contain the same values for master and slave devices.
SPIDAT
SPI Data Register
Function
SPIDAT SFR is written by the user to transmit data over the SPI interface or read by user code to
read data just received by the SPI interface.
SFR Address
F7H
Power-On Default
00H
Bit Addressable
No
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EVAL-ADUC842QS1 | 制造商:AD 制造商全称:Analog Devices 功能描述:MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU |
| EVAL-ADUC842QSP1 | 制造商:AD 制造商全称:Analog Devices 功能描述:MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU |
| EVAL-ADUC842QSP2 | 制造商:AD 制造商全称:Analog Devices 功能描述:MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU |
| EVAL-ADUC842QSPZ | 功能描述:KIT DEV QUICK START ADUC842 RoHS:是 类别:编程器，开发系统 >> 通用嵌入式开发板和套件（MCU、DSP、FPGA、CPLD等） 系列:QuickStart™ PLUS 套件 标准包装:1 系列:PICDEM™ 类型:MCU 适用于相关产品:PIC10F206，PIC16F690，PIC16F819 所含物品:板，线缆，元件，CD，PICkit 编程器 产品目录页面:659 (CN2011-ZH PDF) |
| EVAL-ADUC842QS-U | 制造商:Analog Devices 功能描述:TOOLS:DEVELOPMENT BOARDS H/W 制造商:Analog Devices 功能描述:QUICK START DEVELOPMENT SYSTEM - Bulk |
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