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型號(hào)：	S83C154DXXX-30D
廠商：	TEMIC SEMICONDUCTORS
元件分類：	微控制器/微處理器
英文描述：	8-BIT, MROM, 30 MHz, MICROCONTROLLER, PQCC44
文件頁(yè)數(shù)：	461/1021頁(yè)
文件大?。?/td>	15196K
代理商：	S83C154DXXX-30D

32072H–AVR32–10/2012

AT32UC3A3

Command Register

Access Type:

Reset Value:

ACKLAST: ACK Last Master RX Byte

0: Causes the last byte in master receive mode (when NBYTES has reached 0) to be NACKed. This is the standard way of

ending a master receiver transfer.

1: Causes the last byte in master receive mode (when NBYTES has reached 0) to be ACKed. Used for performing linked

transfers in master receiver mode with no STOP or REPEATED START between the subtransfers. This is needed when more

than 255 bytes are to be received in one single transmission.

PECEN: Packet Error Checking Enable

0: Causes the transfer not to use PEC byte verification. The PEC LFSR is still updated for every bit transmitted or received. Must

be used if SMBus mode is disabled.

1: Causes the transfer to use PEC. PEC byte generation (if master transmitter) or PEC byte verification (if master receiver) will

be performed.

NBYTES: Number of Data Bytes in Transfer

The number of data bytes in the transfer. After the specified number of bytes have been transferred, a STOP condition is

transmitted if CMDR.STOP is one. In SMBus mode, if PEC is used, NBYTES includes the PEC byte, i.e. there are NBYTES-1

data bytes and a PEC byte.

VALID: CMDR Valid

0: Indicates that CMDR does not contain a valid command.

1: Indicates that CMDR contains a valid command. This bit is cleared when the command is finished.

STOP: Send STOP Condition

0: Do not transmit a STOP condition after the data bytes have been transmitted.

1: Transmit a STOP condition after the data bytes have been transmitted.

START: Send START Condition

0: The transfer in CMDR should not commence with a START or REPEATED START condition.

1: The transfer in CMDR should commence with a START or REPEATED START condition. If the bus is free when the command

is executed, a START condition is used. If the bus is busy, a REPEATED START is used.

REPSAME: Transfer is to Same Address as Previous Address

Only used in 10-bit addressing mode, always write to 0 in 7-bit addressing mode.

相關(guān)PDF資料	PDF描述
S80C32-40SHXXX:RD	8-BIT, 40 MHz, MICROCONTROLLER, PQCC44
S80C52CXXX-12SHXXX	8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQCC44
SC80C52XXX-12SV	8-BIT, MROM, 12 MHz, MICROCONTROLLER, CDIP40
S80C32XXX-40R	8-BIT, 40 MHz, MICROCONTROLLER, PQCC44
S83C154DCXXX-16R	8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQCC44

相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
S83C154-L16	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S83C154T-12	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S83C154T-16	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S83C154T-20	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S83C154T-25	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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