PIC16F917-E/ML View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F917-E/ML

28/40/44/64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

Microchip Technology

PIC16F917-E/ML Datasheet PDF : 330 Pages

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PIC16F913/914/916/917/946

TABLE 16-4: INITIALIZATION CONDITION FOR REGISTERS

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

—

xxxx xxxx

uuuu uuuu

INDF

00h/80h/

100h/180h

xxxx xxxx

uuuu uuuu

TMR0

01h/101h

xxxx xxxx

uuuu uuuu

PCL

02h/82h/

0000 0000

102h/182h

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

PORTA

05h

xxxx xxxx

uuuu uuuu

PORTB

06h/106h

xxxx xxxx

uuuu uuuu

PORTC

PORTD(6)

07h

xxxx xxxx

08h

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

---u uuuu

INTCON

0Bh/8Bh/

10Bh/18Bh

0000 000x

uuuu uuuu(2)

PIR1

0Ch

0000 0000

uuuu uuuu(2)

PIR2

0Dh

0000 -0-0

uuuu -u-u

TMR1L

0Eh

xxxx xxxx

uuuu uuuu

TMR1H

0Fh

xxxx xxxx

uuuu uuuu

T1CON

10h

0000 0000

uuuu uuuu

TMR2

11h

0000 0000

uuuu uuuu

T2CON

12h

-000 0000

-uuu uuuu

SSPBUF

13h

xxxx xxxx

uuuu uuuu

SSPCON

14h

0000 0000

uuuu uuuu

CCPR1L

15h

xxxx xxxx

uuuu uuuu

CCPR1H

16h

xxxx xxxx

uuuu uuuu

CCP1CON

17h

--00 0000

--uu uuuu

RCSTA

18h

---0 1000

---u uuuu

TXREG

19h

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.

DS41250F-page 226

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