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型號(hào)：	S80C52CXXX-16
廠商：	ATMEL CORP
元件分類：	微控制器/微處理器
英文描述：	8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQCC44
封裝：	PLASTIC, LCC-44
文件頁(yè)數(shù)：	397/1021頁(yè)
文件大?。?/td>	15196K
代理商：	S80C52CXXX-16

32072H–AVR32–10/2012

AT32UC3A3

Chip Select Register 3

Access Type:

Reset Value:

DLYBCT: Delay Between Consecutive Transfers

This field defines the delay between two consecutive transfers with the same peripheral without removing the chip select. The

delay is always inserted after each transfer and before removing the chip select if needed.

When DLYBCT equals zero, no delay between consecutive transfers is inserted and the clock keeps its duty cycle over the

character transfers.

Otherwise, the following equation determines the delay:

DLYBS: Delay Before SPCK

This field defines the delay from NPCS valid to the first valid SPCK transition.

When DLYBS equals zero, the NPCS valid to SPCK transition is 1/2 the SPCK clock period.

Otherwise, the following equations determine the delay:

SCBR: Serial Clock Baud Rate

In Master Mode, the SPI Interface uses a modulus counter to derive the SPCK baud rate from the CLK_SPI. The Baud rate is

selected by writing a value from 1 to 255 in the SCBR field. The following equations determine the SPCK baud rate:

Writing the SCBR field to zero is forbidden. Triggering a transfer while SCBR is zero can lead to unpredictable results.

At reset, SCBR is zero and the user has to write it to a valid value before performing the first transfer.

If a clock divider (SCBRn) field is set to one and the other SCBR fields differ from one, access on CSn is correct but no correct

access will be possible on other CS.

Delay Between Consecutive Transfers

------------------------------------

Delay Before SPCK

---------------------

SPCK Baudrate

---------------------

相關(guān)PDF資料	PDF描述
S80C52CXXX-25SHXXX	8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQCC44
S80C32-20SHXXX:D	8-BIT, 20 MHz, MICROCONTROLLER, PQCC44
S80C32-20SHXXX:R	8-BIT, 20 MHz, MICROCONTROLLER, PQCC44
S80C32-40SHXXX:RD	8-BIT, 40 MHz, MICROCONTROLLER, PQCC44
S80C52XXX-12:RD	8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQCC44

相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
S80C52T-12	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S80C52T-16	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S80C52T-20	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S80C52T-25	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S80C52T-30	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller

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