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PIC18F2525 Datasheet(PDF) 64 Page - Microchip Technology |
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PIC18F2525 Datasheet(HTML) 64 Page - Microchip Technology |
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64 / 412 page  PIC18F2525/2620/4525/4620 DS39626E-page 62 © 2008 Microchip Technology Inc. 5.3.4 SPECIAL FUNCTION REGISTERS The Special Function Registers (SFRs) are registers used by the CPU and peripheral modules for controlling the desired operation of the device. These registers are implemented as static RAM. SFRs start at the top of data memory (FFFh) and extend downward to occupy the top half of Bank 15 (F80h to FFFh). A list of these registers is given in Table 5-1 and Table 5-2. The SFRs can be classified into two sets: those associ- ated with the “core” device functionality (ALU, Resets and interrupts) and those related to the peripheral functions. The reset and interrupt registers are described in their respective chapters, while the ALU’s STATUS register is described later in this section. Registers related to the operation of a peripheral feature are described in the chapter for that peripheral. The SFRs are typically distributed among the peripherals whose functions they control. Unused SFR locations are unimplemented and read as ‘0’s. TABLE 5-1: SPECIAL FUNCTION REGISTER MAP FOR PIC18F2525/2620/4525/4620 DEVICES Address Name Address Name Address Name Address Name FFFh TOSU FDFh INDF2(1) FBFh CCPR1H F9Fh IPR1 FFEh TOSH FDEh POSTINC2(1) FBEh CCPR1L F9Eh PIR1 FFDh TOSL FDDh POSTDEC2(1) FBDh CCP1CON F9Dh PIE1 FFCh STKPTR FDCh PREINC2(1) FBCh CCPR2H F9Ch —(2) FFBh PCLATU FDBh PLUSW2(1) FBBh CCPR2L F9Bh OSCTUNE FFAh PCLATH FDAh FSR2H FBAh CCP2CON F9Ah —(2) FF9h PCL FD9h FSR2L FB9h —(2) F99h —(2) FF8h TBLPTRU FD8h STATUS FB8h BAUDCON F98h —(2) FF7h TBLPTRH FD7h TMR0H FB7h PWM1CON(3) F97h —(2) FF6h TBLPTRL FD6h TMR0L FB6h ECCP1AS(3) F96h TRISE(3) FF5h TABLAT FD5h T0CON FB5h CVRCON F95h TRISD(3) FF4h PRODH FD4h —(2) FB4h CMCON F94h TRISC FF3h PRODL FD3h OSCCON FB3h TMR3H F93h TRISB FF2h INTCON FD2h HLVDCON FB2h TMR3L F92h TRISA FF1h INTCON2 FD1h WDTCON FB1h T3CON F91h —(2) FF0h INTCON3 FD0h RCON FB0h SPBRGH F90h —(2) FEFh INDF0(1) FCFh TMR1H FAFh SPBRG F8Fh —(2) FEEh POSTINC0(1) FCEh TMR1L FAEh RCREG F8Eh —(2) FEDh POSTDEC0(1) FCDh T1CON FADh TXREG F8Dh LATE(3) FECh PREINC0(1) FCCh TMR2 FACh TXSTA F8Ch LATD(3) FEBh PLUSW0(1) FCBh PR2 FABh RCSTA F8Bh LATC FEAh FSR0H FCAh T2CON FAAh EEADRH F8Ah LATB FE9h FSR0L FC9h SSPBUF FA9h EEADR F89h LATA FE8h WREG FC8h SSPADD FA8h EEDATA F88h —(2) FE7h INDF1(1) FC7h SSPSTAT FA7h EECON2(1) F87h —(2) FE6h POSTINC1(1) FC6h SSPCON1 FA6h EECON1 F86h —(2) FE5h POSTDEC1(1) FC5h SSPCON2 FA5h —(2) F85h —(2) FE4h PREINC1(1) FC4h ADRESH FA4h —(2) F84h PORTE(3) FE3h PLUSW1(1) FC3h ADRESL FA3h —(2) F83h PORTD(3) FE2h FSR1H FC2h ADCON0 FA2h IPR2 F82h PORTC FE1h FSR1L FC1h ADCON1 FA1h PIR2 F81h PORTB FE0h BSR FC0h ADCON2 FA0h PIE2 F80h PORTA Note 1: This is not a physical register. 2: Unimplemented registers are read as ‘0’. 3: This register is not available on 28-pin devices. |
Similar Part No. - PIC18F2525_08 |
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