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PIC16F84A Datasheet(PDF) 33 Page - Microchip Technology |
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PIC16F84A Datasheet(HTML) 33 Page - Microchip Technology |
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33 / 337 page  © 1997 Microchip Technology Inc. DS30234D-page 33 PIC16C6X Bank 1 80h(1) INDF Addressing this location uses contents of FSR to address data memory (not a physical register) 0000 0000 0000 0000 81h OPTION RBPU INTEDG T0CS T0SE PSA PS2 PS1 PS0 1111 1111 1111 1111 82h(1) PCL Program Counter's (PC) Least Significant Byte 0000 0000 0000 0000 83h(1) STATUS IRP RP1 RP0 TO PD ZDC C 0001 1xxx 000q quuu 84h(1) FSR Indirect data memory address pointer xxxx xxxx uuuu uuuu 85h TRISA — — PORTA Data Direction Register --11 1111 --11 1111 86h TRISB PORTB Data Direction Register 1111 1111 1111 1111 87h TRISC PORTC Data Direction Register 1111 1111 1111 1111 88h(5) TRISD PORTD Data Direction Register 1111 1111 1111 1111 89h(5) TRISE IBF OBF IBOV PSPMODE — PORTE Data Direction Bits 0000 -111 0000 -111 8Ah(1,2) PCLATH — — — Write Buffer for the upper 5 bits of the Program Counter ---0 0000 ---0 0000 8Bh(1) INTCON GIE PEIE T0IE INTE RBIE T0IF INTF RBIF 0000 000x 0000 000u 8Ch PIE1 PSPIE(6) (4) RCIE TXIE SSPIE CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000 8Dh PIE2 — — — — — — — CCP2IE ---- ---0 ---- ---0 8Eh PCON — — — — — — POR BOR ---- --qq ---- --uu 8Fh — Unimplemented — — 90h — Unimplemented — — 91h — Unimplemented — — 92h PR2 Timer2 Period Register 1111 1111 1111 1111 93h SSPADD Synchronous Serial Port (I2C mode) Address Register 0000 0000 0000 0000 94h SSPSTAT SMP CKE D/A P S R/W UA BF 0000 0000 0000 0000 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 — Unimplemented — — 9Bh — Unimplemented — — 9Ch — Unimplemented — — 9Dh — Unimplemented — — 9Eh — Unimplemented — — 9Fh — Unimplemented — — TABLE 4-6: SPECIAL FUNCTION REGISTERS FOR THE PIC16C66/67 (Cont.’d) 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(3) Legend: x = unknown, u = unchanged, q = value depends on condition, - = unimplemented location read as '0'. Shaded locations are unimplemented, read as ‘0’. Note 1: These registers can be addressed from any bank. 2: The upper byte of the Program Counter (PC) is not directly accessible. PCLATH is a holding register for the PC whose contents are transferred to the upper byte of the program counter. (PC<12:8>) 3: Other (non power-up) resets include external reset through MCLR and the Watchdog Timer reset. 4: PIE1<6> and PIR1<6> are reserved on the PIC16C66/67, always maintain these bits clear. 5: PORTD, PORTE, TRISD, and TRISE are not implemented on the PIC16C66, read as '0'. 6: PSPIF (PIR1<7>) and PSPIE (PIE1<7>) are reserved on the PIC16C66, maintain these bits clear. |
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