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PIC16F946-E/MLQTP Datasheet(PDF) 228 Page - Microchip Technology |
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PIC16F946-E/MLQTP Datasheet(HTML) 228 Page - Microchip Technology |
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228 / 330 page  PIC16F913/914/916/917/946 DS41250F-page 226 © 2007 Microchip Technology Inc. TABLE 16-4: INITIALIZATION CONDITION FOR REGISTERS Register Address Power-on Reset • MCLR Reset • WDT Reset • Brown-out Reset(1) • Wake-up from Sleep through interrupt • Wake-up from Sleep through WDT time-out W— xxxx xxxx uuuu uuuu uuuu uuuu INDF 00h/80h/ 100h/180h xxxx xxxx xxxx xxxx uuuu uuuu TMR0 01h/101h xxxx xxxx uuuu uuuu uuuu uuuu PCL 02h/82h/ 102h/182h 0000 0000 0000 0000 PC + 1 (3) STATUS 03h/83h/ 103h/183h 0001 1xxx 000q quuu (4) uuuq quuu (4) FSR 04h/84h/ 104h/184h xxxx xxxx uuuu uuuu uuuu uuuu PORTA 05h xxxx xxxx xxxx xxxx uuuu uuuu PORTB 06h/106h xxxx xxxx xxxx xxxx uuuu uuuu PORTC 07h xxxx xxxx xxxx xxxx uuuu uuuu PORTD(6) 08h xxxx xxxx xxxx xxxx uuuu uuuu PORTE 09h ---- xxxx xxxx xxxx (7) ---- xxxx xxxx xxxx (7) ---- uuuu uuuu uuuu (7) PCLATH 0Ah/8Ah/ 10Ah/18Ah ---0 0000 ---0 0000 ---u uuuu INTCON 0Bh/8Bh/ 10Bh/18Bh 0000 000x 0000 000x uuuu uuuu (2) PIR1 0Ch 0000 0000 0000 0000 uuuu uuuu (2) PIR2 0Dh 0000 -0-0 0000 -0-0 uuuu -u-u TMR1L 0Eh xxxx xxxx uuuu uuuu uuuu uuuu TMR1H 0Fh xxxx xxxx uuuu uuuu uuuu uuuu T1CON 10h 0000 0000 uuuu uuuu uuuu uuuu TMR2 11h 0000 0000 0000 0000 uuuu uuuu T2CON 12h -000 0000 -000 0000 -uuu uuuu SSPBUF 13h xxxx xxxx xxxx xxxx uuuu uuuu SSPCON 14h 0000 0000 0000 0000 uuuu uuuu CCPR1L 15h xxxx xxxx xxxx xxxx uuuu uuuu CCPR1H 16h xxxx xxxx xxxx xxxx uuuu uuuu CCP1CON 17h --00 0000 --00 0000 --uu uuuu RCSTA 18h ---0 1000 ---0 1000 ---u uuuu TXREG 19h 0000 0000 0000 0000 uuuu uuuu Legend: u = unchanged, x = unknown, - = unimplemented bit, reads as ‘0’, q = value depends on condition. Note 1: If VDD goes too low, Power-on Reset will be activated and registers will be affected differently. 2: One or more bits in INTCON and/or PIR1 will be affected (to cause wake-up). 3: When the wake-up is due to an interrupt and the GIE bit is set, the PC is loaded with the interrupt vector (0004h). 4: See Table 16-5 for Reset value for specific condition. 5: If Reset was due to brown-out, then bit 0 = 0. All other Resets will cause bit 0 = u. 6: PIC16F914/917 and PIC16F946 only. 7: PIC16F946 only. |
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