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PIC16F913 Datasheet(PDF) 170 Page - Microchip Technology |
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PIC16F913 Datasheet(HTML) 170 Page - Microchip Technology |
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170 / 272 page ![]() PIC16F917/916/914/913 DS41250E-page 168 Preliminary © 2005 Microchip Technology Inc. 14.8 Sleep Operation In Master mode, all module clocks are halted and the transmission/reception will remain in that state until the device wakes from Sleep. After the device returns to normal mode, the module will continue to trans- mit/receive data. In Slave mode, the SPI Transmit/Receive Shift register operates asynchronously to the device. This allows the device to be placed in Sleep mode and data to be shifted into the SPI Transmit/Receive Shift register. When all 8 bits have been received, the SSP interrupt flag bit will be set and if enabled, will wake the device from Sleep. 14.9 Effects of a Reset A Reset disables the SSP module and terminates the current transfer. 14.10 Bus Mode Compatibility Table 14-1 shows the compatibility between the standard SPI modes and the states of the CKP and CKE control bits. TABLE 14-1: SPI™ BUS MODES There is also a SMP bit which controls when the data is sampled. TABLE 14-2: REGISTERS ASSOCIATED WITH SPI™ OPERATION Standard SPI™ Mode Terminology Control Bits State CKP CKE 0, 0 0 1 0, 1 0 0 1, 0 1 1 1, 1 1 0 Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Value on: POR, BOR Value on all other Resets 0Bh,8Bh. 10Bh,18Bh INTCON GIE PEIE T0IE INTE RBIE T0IF INTF RBIF 0000 000x 0000 000x 0Ch PIR1 EEIF ADIF RCIF TXIF SSPIF CCP1IF TMR2IF TMR1IF 0000 0000 0000 0000 13h SSPBUF Synchronous Serial Port Receive Buffer/Transmit Register xxxx xxxx uuuu uuuu 14h SSPCON WCOL SSPOV SSPEN CKP SSPM3 SSPM2 SSPM1 SSPM0 0000 0000 0000 0000 87h TRISC TRISC7 TRISC6 TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0 1111 1111 1111 1111 8Ch PIE1 EEIE ADIE RCIE TXIE SSPIE CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000 85h TRISA TRISA7 TRISA6 TRISA5 TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 1111 1111 1111 1111 94h SSPSTAT SMP CKE D/A P S R/W UA BF 0000 0000 0000 0000 Legend: x = unknown, u = unchanged, - = unimplemented, read as ‘0’. Shaded cells are not used by the SSP in SPI mode. |
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