2011DigiInternational,Inc. 51 SPI The module provides up" />
參數(shù)資料
型號: CC-MX-LB69-ZM
廠商: Digi International
文件頁數(shù): 99/151頁
文件大?。?/td> 0K
描述: CONNECTCORE I.MX51 MODULE
標(biāo)準(zhǔn)包裝: 1
系列: ConnectCore™
模塊/板類型: 核心模塊
適用于相關(guān)產(chǎn)品: 網(wǎng)絡(luò)
其它名稱: 602-1215
ConnectCorefor i.MX51
2011DigiInternational,Inc.
51
SPI
The module provides up to three SPI interfaces that can be configured in either master or
slave mode. Two of the SPI interfaces contain one 64 x 32 receive buffer (RXFIFO) and one 64
x 32 transmit buffer (TXFIFO). The other SPI interface contains one 8 x 32 receive buffer and
one 8 x 32 transmit buffer.
Full-duplex synchronous serial interface
Master/Slave configurable
Two SPI interfaces support SPI clocks up to 66MHz in both Master and Slave mode
One SPI interface supports SPI clocks up to 16.5MHz in both Master and Slave mode
Up to four chip selects (two chip select for SPI1) to support multiple peripherals
Transfer continuation function allows unlimited length data transfers
Polarity and phase of the chip select (SS#) and SPI Clock (SCLK) are configurable
Data ready output signal for fast data communication with fewer software interrupts
DMA support
Watchdog Timer
The watchdog timer module protects against system failures by providing a method of
escaping from unexpected events or programming errors. Once the watchdog module is
activated, it must be serviced by the software on a periodic basis. If servicing does not take
place, the timer times out. Upon a time-out, the watchdog timer module asserts the internal
system reset signal.
A time-out counter with time-out periods from 0.5 to 128 seconds
Time resolution of 0.5 seconds
Configurable time-out counter that can be programmed to run or stop during low-
power and debug modes
Programmable interrupt generation prior to time-out
Programmable time duration between interrupt and timeout events, from 0 to 128
seconds in steps of 0.5 seconds
Power down counter enabled out of any reset by default
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