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PIC16F628-20/SS Datasheet(PDF) 16 Page - Microchip Technology |
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PIC16F628-20/SS Datasheet(HTML) 16 Page - Microchip Technology |
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16 / 160 page  PIC16F62X DS40300B-page 16 Preliminary © 1999 Microchip Technology Inc. TABLE 4-2: SPECIAL FUNCTION REGISTERS SUMMARY BANK1 Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Value on POR Reset Value on all other resets(1) Bank 1 80h INDF Addressing this location uses contents of FSR to address data memory (not a physical reg- ister) xxxx xxxx xxxx xxxx 81h OPTION RBPU INTEDG T0CS T0SE PSA PS2 PS1 PS0 1111 1111 1111 1111 82h PCL Program Counter’s (PC) Least Significant Byte 0000 0000 0000 0000 83h STATUS IRP RP1 RP0 TO PD ZDC C 0001 1xxx 000q quuu 84h FSR Indirect data memory address pointer xxxx xxxx uuuu uuuu 85h TRISA TRISA7 TRISA6 — TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 11-1 1111 11-1 1111 86h TRISB TRISB7 TRISB6 TRISB5 TRISB4 TRISB3 TRISB2 TRISB1 TRISB0 1111 1111 1111 1111 87h Unimplemented — — 88h Unimplemented — — 89h Unimplemented — — 8Ah PCLATH — — — Write buffer for upper 5 bits of program counter ---0 0000 ---0 0000 8Bh INTCON GIE PEIE T0IE INTE RBIE T0IF INTF RBIF 0000 000x 0000 000u 8Ch PIE1 EEIE CMIE RCIE TXIE — CCP1IE TMR2IE TMR1IE 0000 -000 0000 -000 8Dh Unimplemented — — 8Eh PCON — — — — OSCF —POR BOD ---- 1-0x ---- 1-uq 8Fh Unimplemented 90h Unimplemented — — 91h Unimplemented — — 92h PR2 Timer2 Period Register 11111111 11111111 93h Unimplemented — — 94h Unimplemented — — 95h Unimplemented — — 96h Unimplemented — — 97h Unimplemented — — 98h TXSTA CSRC TX9 TXEN SYNC — BRGH TRMT TX9D 0000 -010 0000 -010 99h SPBRG Baud Rate Generator Register 0000 0000 0000 0000 9Ah EEDATA EEPROM data register xxxx xxxx uuuu uuuu 9Bh EEADR — EEPROM address register xxxx xxxx uuuu uuuu 9Ch EECON1 — — — — WRERR WREN WR RD ---- x000 ---- q000 9Dh EECON2 EEPROM control register 2 (not a physical register) -------- -------- 9Eh Unimplemented — — 9Fh VRCON VREN VROE VRR — VR3 VR2 VR1 VR0 000- 0000 000- 0000 Legend: : — = Unimplemented locations read as ‘0’, u = unchanged, x = unknown, q = value depends on condition, shaded = unimplemented Note 1: Other (non power-up) resets include MCLR Reset, Brown-out Detect and Watchdog Timer Reset during normal operation. |
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