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Z8F3221VN020EC 데이터시트(PDF) 54 Page - Zilog, Inc. |
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Z8F3221VN020EC 데이터시트(HTML) 54 Page - Zilog, Inc. |
54 / 299 page PS019915-1005 Control Register Summary Z8 Encore!® 64K Series Z8 Encore! 34 SPI Status SPISTAT (F62H - Read Only) D7 D6 D5 D4 D3 D2 D1 D0 Slave Select 0 = If Slave, SS pin is asserted 1 = If Slave, SS pin is not asserted Transmit Status 0 = No data transmission in progress 1 = Data transmission now in progress Reserved Slave Mode Transaction Abort 0 = No slave mode transaction abort detected 1 = Slave mode transaction abort was detected Collision 0 = No multi-master collision detected 1 = Multi-master collision was detected Overrun 0 = No overrun error detected 1 = Overrun error was detected Interrupt Request 0 = No SPI interrupt request pending 1 = SPI interrupt request is pending SPI Mode SPIMODE (F63H - Read/Write) D7 D6 D5 D4 D3 D2 D1 D0 Slave Select Value If Master and SPIMODE[1] = 1: 0 = SS pin driven Low 1 = SS pin driven High Slave Select I/O 0 = SS pin configured as an input 1 = SS pin configured as an output (Master mode only) Number of Data Bits Per Character 000 = 8 bits 001 = 1 bit 010 = 2 bits 011 = 3 bits 100 = 4 bits 101 = 5 bit 110 = 6 bits 111 = 7 bits Diagnostic Mode Control 0 = Reading from SPIBRH, SPIBRL returns reload values 1 = Reading from SPIBRH, SPIBRL returns current BRG count value Reserved SPI Diagnostic State SPIDST (F64H - Read Only) D7 D6 D5 D4 D3 D2 D1 D0 SPI State Transmit Clock Enable 0 = Internal transmit clock enable signal is deasserted 1 = Internal transmit clock enable signal is asserted Shift Clock Enable 0 = Internal shift clock enable signal is deasserted 1 = Internal shift clock enable signal is asserted SPI Baud Rate Generator High Byte SPIBRH (F66H - Read/Write) D7 D6 D5 D4 D3 D2 D1 D0 SPI Baud Rate divisor [15:8] SPI Baud Rate Generator Low Byte SPIBRL (F67H - Read/Write) D7 D6 D5 D4 D3 D2 D1 D0 SPI Baud Rate divisor [7:0] ADC Control ADCCTL (F70H - Read/Write) D7 D6 D5 D4 D3 D2 D1 D0 Analog Input Select 0000 = ANA0 0001 = ANA1 0010 = ANA2 0011 = ANA3 0100 = ANA4 0101 = ANA5 0110 = ANA6 0111 = ANA7 1000 = ANA8 1001 = ANA9 1010 = ANA10 1011 = ANA11 11xx = Reserved Continuous Mode Select 0 = Single-shot conversion 1 = Continuous conversion External VREF select 0 = Internal voltage reference selected 1 = External voltage reference selected Reserved Conversion Enable 0 = Conversion is complete 1 = Begin conversion |
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