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18F452 Datasheet(PDF) 325 Page - Microchip Technology |
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18F452 Datasheet(HTML) 325 Page - Microchip Technology |
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325 / 332 page  2002 Microchip Technology Inc. DS39564B-page 323 PIC18FXX2 RETFIE ............................................................................ 242 RETLW ............................................................................. 242 RETURN .......................................................................... 243 Revision History ............................................................... 313 RLCF ................................................................................ 243 RLNCF ............................................................................. 244 RRCF ............................................................................... 244 RRNCF ............................................................................. 245 S SCI. See USART SCK .................................................................................. 125 SDI ................................................................................... 125 SDO ................................................................................. 125 Serial Clock, SCK ............................................................. 125 Serial Communication Interface. See USART Serial Data In, SDI ........................................................... 125 Serial Data Out, SDO ....................................................... 125 Serial Peripheral Interface. See SPI SETF ................................................................................ 245 Slave Select Synchronization ........................................... 131 Slave Select, SS .............................................................. 125 SLEEP ...............................................................195, 205, 246 Software Simulator (MPLAB SIM) .................................... 254 Special Event Trigger. See Compare Special Features of the CPU ............................................ 195 Configuration Registers ................................... 196–201 Special Function Registers ................................................ 42 Map ............................................................................ 45 SPI Master Mode ............................................................ 130 Serial Clock .............................................................. 125 Serial Data In ........................................................... 125 Serial Data Out ........................................................ 125 Slave Select ............................................................. 125 SPI Clock ................................................................. 130 SPI Mode ................................................................. 125 SPI Master/Slave Connection .......................................... 129 SPI Module Associated Registers ............................................... 133 Bus Mode Compatibility ........................................... 133 Effects of a RESET .................................................. 133 Master/Slave Connection ......................................... 129 Slave Mode .............................................................. 131 Slave Select Synchronization .................................. 131 Slave Synch Timing ................................................. 131 SLEEP Operation ..................................................... 133 SS .................................................................................... 125 SSP I2C Mode. See I2C SPI Mode ................................................................. 125 SPI Mode. See SPI SSPBUF Register .................................................... 130 SSPSR Register ...................................................... 130 TMR2 Output for Clock Shift ............................ 111, 112 SSPOV Status Flag .......................................................... 155 SSPSTAT Register R/W Bit ............................................................. 138, 139 Status Bits Significance and the Initialization Condition for RCON Register ............................................. 27 SUBFWB .......................................................................... 246 SUBLW ............................................................................ 247 SUBWF ............................................................................ 247 SUBWFB .......................................................................... 248 SWAPF ............................................................................ 248 T TABLAT Register ............................................................... 58 Table Pointer Operations (table) ........................................ 58 TBLPTR Register ............................................................... 58 TBLRD ............................................................................. 249 TBLWT ............................................................................. 250 Time-out Sequence ........................................................... 26 Time-out in Various Situations ................................... 27 Timer0 .............................................................................. 103 16-bit Mode Timer Reads and Writes ...................... 105 Associated Registers ............................................... 105 Clock Source Edge Select (T0SE Bit) ..................... 105 Clock Source Select (T0CS Bit) ............................... 105 Operation ................................................................. 105 Overflow Interrupt .................................................... 105 Prescaler. See Prescaler, Timer0 Timer1 .............................................................................. 107 16-bit Read/Write Mode ........................................... 109 Associated Registers ............................................... 110 Operation ................................................................. 108 Oscillator ...........................................................107, 109 Overflow Interrupt .............................................107, 109 Special Event Trigger (CCP) ............................109, 120 TMR1H Register ...................................................... 107 TMR1L Register ....................................................... 107 Timer2 .............................................................................. 111 Associated Registers ............................................... 112 Operation ................................................................. 111 Postscaler. See Postscaler, Timer2 PR2 Register ....................................................111, 122 Prescaler. See Prescaler, Timer2 SSP Clock Shift ................................................111, 112 TMR2 Register ......................................................... 111 TMR2 to PR2 Match Interrupt ................... 111, 112, 122 Timer3 .............................................................................. 113 Associated Registers ............................................... 115 Operation ................................................................. 114 Oscillator ...........................................................113, 115 Overflow Interrupt .............................................113, 115 Special Event Trigger (CCP) ................................... 115 TMR3H Register ...................................................... 113 TMR3L Register ....................................................... 113 Timing Diagrams Bus Collision Transmit and Acknowledge ..................... 159 A/D Conversion ........................................................ 287 Acknowledge Sequence .......................................... 158 Baud Rate Generator with Clock Arbitration ............ 152 BRG Reset Due to SDA Arbitration During START Condition ............................................. 161 Brown-out Reset (BOR) ........................................... 274 Bus Collision Start Condition (SDA Only) .............................. 160 Bus Collision During a Repeated START Condition (Case 1) .............................. 162 Bus Collision During a Repeated START Condition (Case 2) .............................. 162 Bus Collision During a START Condition (SCL = 0) ......................................................... 161 Bus Collision During a STOP Condition (Case 1) ........................................................... 163 Bus Collision During a STOP Condition (Case 2) ........................................................... 163 Capture/Compare/PWM (CCP1 and CCP2) ............ 276 CLKO and I/O .......................................................... 272 Clock Synchronization ............................................. 145 |
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