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INTEDG датащи(PDF) 293 Page - Microchip Technology |
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INTEDG датащи(HTML) 293 Page - Microchip Technology |
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293 / 478 page ![]() 2010-2012 Microchip Technology Inc. DS41414D-page 293 PIC16(L)F1946/47 bit 3-0 SSPM<3:0>: Synchronous Serial Port Mode Select bits 0000 = SPI Master mode, clock = FOSC/4 0001 = SPI Master mode, clock = FOSC/16 0010 = SPI Master mode, clock = FOSC/64 0011 = SPI Master mode, clock = TMR2 output/2 0100 = SPI Slave mode, clock = SCKx pin, SSx pin control enabled 0101 = SPI Slave mode, clock = SCKx pin, SSx pin control disabled, SSx can be used as I/O pin 0110 = I2C Slave mode, 7-bit address 0111 = I2C Slave mode, 10-bit address 1000 = I2C Master mode, clock = FOSC / (4 * (SSPxADD+1))(4) 1001 = Reserved 1010 = SPI Master mode, clock = FOSC/(4 * (SSPxADD+1))(5) 1011 = I2C firmware controlled Master mode (Slave idle) 1100 = Reserved 1101 = Reserved 1110 = I2C Slave mode, 7-bit address with Start and Stop bit interrupts enabled 1111 = I2C Slave mode, 10-bit address with Start and Stop bit interrupts enabled Note 1: In Master mode, the overflow bit is not set since each new reception (and transmission) is initiated by writing to the SSPxBUF register. 2: When enabled, these pins must be properly configured as input or output. 3: When enabled, the SDAx and SCLx pins must be configured as inputs. 4: SSPxADD values of 0, 1 or 2 are not supported for I2C Mode. 5: SSPxADD value of ‘0’ is not supported. Use SSPM = 0000 instead. REGISTER 24-2: SSPxCON1: SSPx CONTROL REGISTER 1 (CONTINUED) |
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