参数资料
型号: EVAL-ADUC7023QSPZ
厂商: Analog Devices Inc
文件页数: 51/96页
文件大小: 0K
描述: KIT DEV FOR ADUC7023 QUICK START
标准包装: 1
类型: MCU
适用于相关产品: ARM7TDMI
所含物品:
Data Sheet
ADuC7023
| Page 55 of 96
Table 63. SPISTA MMR Bit Designations
Bit
Name
Description
15 to 12
Reserved bits.
11
SPIREX
SPI Rx FIFO excess bytes present.
This bit is set when there are more bytes in the Rx FIFO than indicated in the SPIMDE bits in SPICON
This bit is cleared when the number of bytes in the FIFO is equal or less than the number in SPIMDE.
10 to 8
SPIRXFSTA[2:0]
SPI Rx FIFO status bits.
[000] = Rx FIFO is empty.
[001] = 1 valid byte in the FIFO.
[010] = 2 valid byte in the FIFO.
[011] = 3 valid byte in the FIFO.
[100] = 4 valid byte in the FIFO.
7
SPIFOF
SPI Rx FIFO overflow status bit.
This bit is set when the Rx FIFO is full when new data is loaded to the FIFO. This bit generates an interrupt
except when SPIRFLH is set in SPICON.
This bit is cleared when the SPISTA register is read.
6
SPIRXIRQ
SPI Rx IRQ status bit.
This bit is set when a receive interrupt occurs. This bit is set when SPITMDE in SPICON is cleared and the
required number of bytes have been received.
This bit is cleared when the SPISTA register is read.
5
SPITXIRQ
SPI Tx IRQ status bit.
This bit is set when a transmit interrupt occurs. This bit is set when SPITMDE in SPICON is set and the required
number of bytes have been transmitted.
This bit is cleared when the SPISTA register is read.
4
SPITXUF
SPI Tx FIFO underflow.
This bit is set when a transmit is initiated without any valid data in the Tx FIFO. This bit generates an interrupt
except when SPITFLH is set in SPICON.
This bit is cleared when the SPISTA register is read.
3 to 1
SPITXFSTA[2:0]
SPI Tx FIFO status bits.
[000] = Tx FIFO is empty.
[001] = 1 valid byte in the FIFO.
[010] = 2 valid byte in the FIFO.
[011] = 3 valid byte in the FIFO.
[100] = 4 valid byte in the FIFO.
0
SPIISTA
SPI interrupt status bit.
This bit is set to 1 when an SPI based interrupt occurs.
This bit is cleared after reading SPISTA.
SPIRX Register
Name:
SPIRX
Address:
0xFFFF0A04
Default value: 0x00
Access:
Read
Function:
This 8-bit MMR is the SPI receive register.
SPITX Register
Name:
SPITX
Address:
0xFFFF0A08
Default value: 0xXX
Access:
Write
Function:
This 8-bit MMR is the SPI transmit register.
Rev. E
相关PDF资料
PDF描述
RPS-1K-6-250/2.0-9 HEAT SHRINK SLEEVE
ECM30DCWH CONN EDGECARD 60POS DIP .156 SLD
SC43B-3R3 INDUCTOR SMD 3.3UH 1.44A 7.96MHZ
EVAL-ADUC842QSPZ KIT DEV QUICK START ADUC842
EVAL-ADUC841QSPZ KIT DEV QUICK START ADUC841
相关代理商/技术参数
参数描述
EVAL-ADUC7023QSPZ1 功能描述:BOARD EVAL FOR ADUC7023 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 产品培训模块:Blackfin® Processor Core Architecture Overview Blackfin® Device Drivers Blackfin® Optimizations for Performance and Power Consumption Blackfin® System Services 特色产品:Blackfin? BF50x Series Processors 标准包装:1 系列:Blackfin® 类型:DSP 适用于相关产品:ADSP-BF548 所含物品:板,软件,4x4 键盘,光学拨轮,QVGA 触摸屏 LCD 和 40G 硬盘 配用:ADZS-BFBLUET-EZEXT-ND - EZ-EXTENDER DAUGHTERBOARDADZS-BFLLCD-EZEXT-ND - BOARD EXT LANDSCAP LCD INTERFACE 相关产品:ADSP-BF542BBCZ-4A-ND - IC DSP 16BIT 400MHZ 400CSBGAADSP-BF544MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542KBCZ-6A-ND - IC DSP 16BIT 600MHZ 400CSBGAADSP-BF547MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF548BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF547BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF544BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF542BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGA
EVAL-ADuC7023QSPZ2 制造商:AD 制造商全称:Analog Devices 功能描述:Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI MCU with Enhanced IRQ Handler
EVALADUC7023QSPZU1 制造商:Analog Devices 功能描述:
EVAL-ADUC7024QS 制造商:Analog Devices 功能描述:QUICK START DEVELOPMENT SYSTEM - Bulk
EVAL-ADUC7024QS-U2 制造商:Analog Devices 功能描述:QUICK START DEVL SYST EVAL BOARD I.C. - Bulk